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Is it safe leave phone charging all the time?

Hello!
Does the phone or battery itself has over charge protection?
Is it safe leave the phone connected to a computer/charger all the time?
I've been using HTC Hermes for 2 years and already replaced 3 batteries, not sure if it was due to phone was connected to a charger for at least 12 hours a day or something else..
Thank you.

technically it should'nt be an issue. the phone can detect when its battery is full and can set itself to trickle charge (atleast that's what i've been told). You do want to atleast have it drain itself full once a month or have it off the power line ever so often to keep the energy moving otherwise it goes stagnant. (not exactly stagnant, but you know what i mean.. right?)

Draining battery is not a problem, the phone does a good job doing just that
With all the technology one could assume that an advanced phone like this would have a overcharge protection. But wanted make sure that it does.

[email protected] said:
With all the technology one could assume that an advanced phone like this would have a overcharge protection. But wanted make sure that it does.
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No convinced it does myself. All the add-on chargers, cradles, etc. highlight having overcharge protection if they're any good. So perhaps it (overcharge protection) is a functionality of the charger and not the phone itself?
I know that when my phone is charging (battery not 100%) it's cool to touch, but when on charge (USB cable from PC, sync active) when the battery is full it's mildly warm to touch. Perhaps suggesting that incoming un-needed power is being converted into heat for dissipation?
To me, I think the phone probably has overcharge protection (whether it be the charging source, or teh phone itself by heat dissipation), but if your constantly leaving it on charge then perhaps the constant warmth is what's reducing your battery life?

Most charging control electronics is inside the phone, with some parts
inside the battery, like overheating protection and battery cell diagnostics.
Charging control checks the voltage rise during charging (actually difference
beetwen voltage before charging pulse and after that, so called delta voltage),
and when it reaches certain threshold, a charging unit switches to trickle
charging, which means "charging" with 1/10 or less of normal charging current,
amount which cannot cause perceivable warming. Most of warming happens
on final stage of normal charging, when battery is almost full, and its charge
accumulation efficiency drops, but is still being charged with the same current,
part of which, that cannot be accumulated, is dissipated as heat.

Heat dissipation
That heat dissipation is what has always concerned me. So I have bought extra batteries and external charges. I use the TP for business and some days out of the office a lot. Not unusual to go to two, occasionally three batteries in a day. That issue is my only "complaint" about this phone.

[Q] Charging Interrupted - Battery Temp Too High or Too Low

I recently received a Droid Charge from Verizon as a replacement for a Thunderbolt which was basically rendered inoperable by the May OTA update due to near constant rebooting. I really like the Charge (with the exception of that hideous brown/orange theme - some of which looks designed by 1st graders!), but I'm having a MAJOR problem with it that I haven't seen mentioned anywhere else, and I'm wondering if I'm the only one suffering this issue!
I drive a tractor-trailer for a living and use Google Navigation as a back-up to a truck-dedicated GPS unit I have in my tractor. I have a dash mount that I used to keep my Thunderbolt in and I had no problems with it at all (except for the constant reboots). However, the first day I was using the Charge, the screen went dark all of the sudden after a couple of hours, and I'm like WTF?!! I couldn't get it to anything, so I pulled it out of the dash mount and let the sun shine on the screen - I saw the display was still on, but it had dimmed to the point that I couldn't see it without a light shining on it. In the middle of the screen was a dialog box with an exclamation point and the message "Charging Interrupted - battery temperature too high or too low"! I unplugged the Verizon-branded car charger and as soon as I did that, the screen became bright again, and the message disappeared. I left it like that for a while, until the low battery warning appeared. I then plugged the car charger in and let it start charging. Well, guess what? It darkened the screen again after almost 30 minutes of being connected to the car charger, and I saw the same battery temp too high message on the screen!
I have since tried to use the wall charger I got with my HTC Thunderbolt (my tractor has a power inverter in it, and electrical outlets to plug a power cord into, just like the outlets at home), but I got the same warning message on the screen. This is a REAL problem as it's basically causing the phone to be unusable, since I am not able to charge the battery when it gets low, due to the phone interrupting the charging! I went to a Verizon store, thinking it might just be a bad battery (especially because, when I first put the battery in the phone and plugged it in to charge, I got an "Incompatible battery" message on the phone). I took the battery out and reinserted it, and I never got that message again. Verizon gave me a brand-new battery, but that didn't help. They sent me another Droid Charge to replace the first one, but the 2nd one is doing the same thing!
Anybody have any idea what's going on here? I've had the same problem now with 2 seperate batteries and two seperate Droid Charge phones, but I never had that problem with my Thunderbolt, even though I used the same wall & car chargers with IT! The back of the Charge's are getting very hot, but, then again, so did my Thunderbolt, and I never had a charging issue with it. I'd really like to keep the Charge and send my Thunderbolt back to Verizon, but I can't do that without finding a solution to this problem!
Thanks,
Dennis

I used to have this issue with several HTC phones. What happens is that if you keep the phone on the dash in direct sunlight, the battery reaches critical temperatures and to prevent the risk of failure, it stops the battery from charging. This happened all the time on my HTC phones from the Mogul 6800 to the Touch Pro. Not sure why the T-Bolt didn't have that issue, maybe it was set to a higher threshold before stopping the charging.
You may want to keep it out of direct sunlight or take the battery cover off to let more air flow in when charging on the dash.
Hope that helps.

I had the same problem. The warning message seems to be a safety feature built into the Charge that waits to charge the battery until it is cooled off.
I found that unpluging and turning off navigation for a while helped cool things off.
I also tried having the phone fully charged before using it for navigation and then plugging it in and this seemed to help. I am no expert, but it seems that when the phone is not trying to charge a battery rapidly it deals with the GPS heat better.
I hope this helps; stick with it and keep bugging Verizon!
Sent from my Charge using XDA Premium App

So they sent you a Charge, but you kept the tbolt charger? And they have sent you multiple Charges and batteries, but never the correct charger? If this is right, you need to tell them to give you a Charge charger (heh). This phone seems to be pretty particular about what charges it, I can't even use a usb extension cable, so the wrong charger may be the culprit.

I've been getting this as well using CoPilot Live v8 (just upgraded to v9). I found if I turned down the screen brightness a bit, say to 80%, I could still see the screen but avoid most of the battery charging issues.
I also just purchased a Tetrax XWAY mount that will attach to an air conditioning vent. We'll see if blowing cool air onto the back will let me drive around with the brightness turned full up.
My concern with brightness all the way up is that I am not sure if the charge rate from the lighter plug will keep up with the discharge rate on the DC when everything is running full tilt...I just ordered a Tek-Tok Wireless lighter plug USB charger, Input: 12-24V DC; Output: 5.0V DC 2.1Amp! Let the frying begin!!!
p.s. I tried the Samsung/Verizon navigation mount on a 5-day trip...not too bad of a design, BUT, would not work with my extended battery and back PLUS when the DC goes into car dock mode (automatically when inserted into the navigation dock) it comes up with a screen that has a shortcut to VZ Navigator that CANNOT be edited or changed to another navigation program. You have to disable the dock in order to use another navigation program! What's with THAT, Verizon and Samsung!!! Needless to say, returned the mount yesterday...

Try turning your brightness down, make sure it's going into sleep mode and keep it out of direct sunlight

I also had the exact same overheating issue. After getting a replacement device I started looking at the charger I was using. I had been using a micro usb charger that only output 500ma. The droid charger is 1000ma (or 1 amp). Apparently I was using more power than the charger could provide. The charger couldn't keep up and I guess that must have been the issue because since switching to a 1 amp charger, I haven't had overheating issues.

"Charging Interrupted - battery temperature too high or too low"
Living in Miami, I have seen this message a few times after leaving the Charge in my car.
Run a free sensor program to tell you the battery temp when it does this. Mine gets up to 130 F.
If your phone isnt really at 130F, maybe something is tricking the sensor or it is faulty.

I rooted my Charge today, installing a new kernel (imnuts' PeanutButta Jelly Time) and a new ROM (GummyCHARGED 1.8.5), and I drove 3 1/2 hours from my terminal back to my home for the weekend with the Charge plugged into the charger and never once got the "battery temperature too high or too low" message!
I'm keeping my fingers crossed that doing this eliminated my charging problems with the Droid - we'll see!
Dennis

Google maps updated and one of the new features is "Improved battery power management for Navigation (Beta)." Hopefully this helps to solve our problem!
Sent from my Charge using XDA Premium App

One thing I did to help prevent this issue when it gets to hot is to set the air vents in your car to the defroster setting, so it will blow air at the windshield, and in turn your phone on the dash. Also, taking off the back can do wonders to prevent over heating.

Shield battery charging issue?

Anyone having charging issue. I ran my shield battery down when I first got it. Then I plug it in to charger. Its been charging over 8 hours and still not at 100 percent. took it off charge at 80 percent. No way it should take this long. I read on reviews it took like 4 to 5 hours.

evobunny said:
Anyone having charging issue. I ran my shield battery down when I first got it. Then I plug it in to charger. Its been charging over 8 hours and still not at 100 percent. took it off charge at 80 percent. No way it should take this long. I read on reviews it took like 4 to 5 hours.
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You used the charger that it came with? And you're not playing games the entire time it's charging, right?

agrabren said:
You used the charger that it came with? And you're not playing games the entire time it's charging, right?
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yes I use charger that came with it. and it was charging over night when I was sleeping.

That sounds really odd. What does the battery usage say for the device? Was it awake the whole time? Does it think it was charging all night?
Sent from my HTC One using XDA Premium HD app

I feel like that has happened on my nexus 7 before. I bet it is an android thing. I would try again and see if it acts up a second time.

agrabren said:
That sounds really odd. What does the battery usage say for the device? Was it awake the whole time? Does it think it was charging all night?
Sent from my HTC One using XDA Premium HD app
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when I was charging, i close the screen. so it went to sleep. I dont know how you can tell if it think it was charging all night. I went to battery info and its said 13.6 hours on battery. and 48 percent of that was screen usage. rest was on game and apps.

evobunny said:
when I was charging, i close the screen. so it went to sleep. I dont know how you can tell if it think it was charging all night. I went to battery info and its said 13.6 hours on battery. and 48 percent of that was screen usage. rest was on game and apps.
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If you go into the "Battery Info" and touch on the graph area, it'll show you below some bars of time spent on different functions (like charging)

evobunny said:
when I was charging, i close the screen. so it went to sleep. I dont know how you can tell if it think it was charging all night. I went to battery info and its said 13.6 hours on battery. and 48 percent of that was screen usage. rest was on game and apps.
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1. Sometimes the battery indicator on Android can take a while to figure out your battery. It might drop 5 percent in ten minutes then take an hour to drop 5 more.
2. The vent area on my Shield seems warmer than the surrounding plastic even when in sleep for a while, so it may be drawing more power than is charging. Just try turning it off and charging it.

oushidian said:
1. Sometimes the battery indicator on Android can take a while to figure out your battery. It might drop 5 percent in ten minutes then take an hour to drop 5 more.
2. The vent area on my Shield seems warmer than the surrounding plastic even when in sleep for a while, so it may be drawing more power than is charging. Just try turning it off and charging it.
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Which vent area? Front or back? Because batteries do warm up when you charge them, and those are some big batteries (and a full 2 amp charge)

agrabren said:
Which vent area? Front or back?
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The smooth part on the bottom back with the model number, FCC, etc. And it's not when I'm charging but when the lid is closed. If I manually power it down then the warm goes away.

i never recommend running your device down when it comes straight out the box. usually i tell people to just fully charge the device first before running it dry therefore it can register the full battery, personally i would not leave a device connected over night just for the simple fact that it can be one in a million that the device might get screwed over a long period of time.
it be nice to know if the problem is fixed or not and what you did just in case others run into this same problem.

ive had no charging issues yet. batts do tend to get nice and warm tho.
but for what its worth i just noticed that im still getting notification sounds from my Shield even tho the lid is closed. so maybe its some kind of hybrid sleep and if you have some rogue app pulling a ton of CPU cycles & its not going into full sleep so its taking longer to charge?
just some food for thought on your issue

s0me guy said:
ive had no charging issues yet. batts do tend to get nice and warm tho.
but for what its worth i just noticed that im still getting notification sounds from my Shield even tho the lid is closed. so maybe its some kind of hybrid sleep and if you have some rogue app pulling a ton of CPU cycles & its not going into full sleep so its taking longer to charge?
just some food for thought on your issue
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Like most Android devices, the device goes to "sleep". Unless you power it off, it still handles notifications, and it still talks on WiFi. But it should consume very little power.

elitecmdr666 said:
i never recommend running your device down when it comes straight out the box. usually i tell people to just fully charge the device first before running it dry therefore it can register the full battery, personally i would not leave a device connected over night just for the simple fact that it can be one in a million that the device might get screwed over a long period of time.
it be nice to know if the problem is fixed or not and what you did just in case others run into this same problem.
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Modern devices use LiPi or Li-ion batteries, these explode when overcharged (seriously, youtube search overcharge lipo). As a result all devices sold with this kind of battery have charge monitoring tools and will disconnect the battery from the charging circuit when full, also they should then run purely from the mains power when the battery is full rather than running on the battery again (they don't like the repeat connect/disconnect effect that would lead to). End result, can't overcharge it.
The heat on mains power tends to be from the voltage regulator. These devices don't run on 5V power like comes from the charger. They tend to use a combo of switch mode and linear regulators to drop the 5V to 3.3V for the CPU and peripherals (3.3 is most common at any rate). Linear regulators in particular get quite warm. Switch mode regulators don't get so warm but don't give a clean output the CPU will run nicely on, they have the odd drop or spike which would either reset or fry the CPU, so generally what happens is the switch mode reg drops a large chunk of the voltage and then feeds it into a linear reg to drop the rest of the way (*the less voltage a linear reg has to drop the less heat it produces). From 5V to 3.3V it is most likely going to be purely a linear regulator, with the CPU and screen drawing at least 1A of current and a 1.7V drop that would equate to 1.7W of heat produced, not much, but enough that if you were to put your finger on the bare regulator chip it would come away red, hold it there long enough and it would be somewhat like those competitions kids have over who can keep their hand on the hot radiator longest That is the main reason they will get hot.
The batteries in these devices are usually 3.7V, that would need a separate regulator from above, and another regulator would still be needed to go from 3.7 > 3.3. 3.7>3.3 would not get so warm. 5>3.7 would still be warm as above.
Never fully drain a LiPo. Gets too low and you damage the cell ir-repairably. When the device claims it is at 0% charge and shuts off is usually closer to 10-20% charge. But that is still considered too low by some people. General advice if you want to prolong the lifetime of your battery is to turn the device off and charge it when it reports somewhere around 5-10% charge.
Batteries do get warm while charging. But my bet is that the voltage regulators would be far more significant heat producers.

agrabren said:
Like most Android devices, the device goes to "sleep". Unless you power it off, it still handles notifications, and it still talks on WiFi. But it should consume very little power.
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good to know. :good: i didnt think closing the lid was the same as pushing the power button on my phone to turn the screen off.
but the OP's problems still might be "sleep" related.
prime example my SGS3 batt life started to tank after the 1st VZW JB update. it took twice as long to charge & would never "sleep" (cuz of the OS not a app) but since the Tegra 4 is a much higher profile chip it could suck a bit more juice if its not being aloud to fully sleep, for whatever reason.
like you said tho, looking at the battery stats could easily tell us if this is the issue.

SixSixSevenSeven said:
Modern devices use LiPi or Li-ion batteries, these explode when overcharged (seriously, youtube search overcharge lipo). As a result all devices sold with this kind of battery have charge monitoring tools and will disconnect the battery from the charging circuit when full, also they should then run purely from the mains power when the battery is full rather than running on the battery again (they don't like the repeat connect/disconnect effect that would lead to). End result, can't overcharge it.
The heat on mains power tends to be from the voltage regulator. These devices don't run on 5V power like comes from the charger. They tend to use a combo of switch mode and linear regulators to drop the 5V to 3.3V for the CPU and peripherals (3.3 is most common at any rate). Linear regulators in particular get quite warm. Switch mode regulators don't get so warm but don't give a clean output the CPU will run nicely on, they have the odd drop or spike which would either reset or fry the CPU, so generally what happens is the switch mode reg drops a large chunk of the voltage and then feeds it into a linear reg to drop the rest of the way (*the less voltage a linear reg has to drop the less heat it produces). From 5V to 3.3V it is most likely going to be purely a linear regulator, with the CPU and screen drawing at least 1A of current and a 1.7V drop that would equate to 1.7W of heat produced, not much, but enough that if you were to put your finger on the bare regulator chip it would come away red, hold it there long enough and it would be somewhat like those competitions kids have over who can keep their hand on the hot radiator longest That is the main reason they will get hot.
The batteries in these devices are usually 3.7V, that would need a separate regulator from above, and another regulator would still be needed to go from 3.7 > 3.3. 3.7>3.3 would not get so warm. 5>3.7 would still be warm as above.
Never fully drain a LiPo. Gets too low and you damage the cell ir-repairably. When the device claims it is at 0% charge and shuts off is usually closer to 10-20% charge. But that is still considered too low by some people. General advice if you want to prolong the lifetime of your battery is to turn the device off and charge it when it reports somewhere around 5-10% charge.
Batteries do get warm while charging. But my bet is that the voltage regulators would be far more significant heat producers.
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yes while all this your saying is true i still wont risk it. i say this from experience had a note 10.1 and would leave it over night charging and sure enough it ended up screwing up. might of been there was something wrong with the device itself but still. good post on your behalf though :laugh:
but still im paranoid and prefer to just disconnect once its charge it wont hurt

elitecmdr666 said:
yes while all this your saying is true i still wont risk it. i say this from experience had a note 10.1 and would leave it over night charging and sure enough it ended up screwing up. might of been there was something wrong with the device itself but still. good post on your behalf though :laugh:
but still im paranoid and prefer to just disconnect once its charge it wont hurt
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I tend to go into way too much detail sometimes :/
Disconnecting can't harm it at least if that's what you prefer.
As for info source. Quite into electronics and robotics, intact the shield would make a good controller for robotics purposes

well i did my second charge last night. and this time much faster, about 5 hours to 100 percent. guess i dont have a problem after all. dont know what happen the first time.

SixSixSevenSeven said:
I tend to go into way too much detail sometimes :/
Disconnecting can't harm it at least if that's what you prefer.
As for info source. Quite into electronics and robotics, intact the shield would make a good controller for robotics purposes
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no worries lol i tend to get spaced out at times and go into details does not hurt to enlighten people :good:

How to charge the phone without harming the battery

Hello XDA,
I've bought s8 recently and I have a question about how should I charge the phone. Before s8 I had z3 and one m7 and I was charging them arbitrary like %45 to %75 etc. Their battery died pretty easyly and closing once it hits under %20 - %25. So I thought I was doing it wrong but when I searched the internet I saw that charging phone arbitrary give no harm at all. Is it true? How should I charge my phone?

You should plug it in and charge it when needed. Either using the original charger and cable that shipped with the phone, or a high quality replacement. Alternately, you can use a wireless charging pad to charge it.

Turning off fast charging may also extend the life of your battery. (It will obviously mean it will take longer to charge the battery).
Extra note:
You don't need to do anything extra, modern devices are well suited to be charged whenever you feel like it.

Plug it in when it needs charging, unplug it when it's done and/or you need to leave. You don't need to overthink it and monitor the finer details. It's a phone.

You are over thinking this. Just like a lot of people who obsess about battery e-peen. I got the S8 to save myself. I was in that rabbit hole, I went from enjoying smartphones to worrying about why my phone cannot perform as well as the ohers.
You plug it when it needs a charge. You take it off when it's done. It's a battery, it's gonna suffer wear and tear whether or not you baby it. It's gonna run its course and you will probably buy a new phone even before that happens.
My phones have a 2 year life cycle and Ben then they are still great as hand me downs to the family who don't care to buy their own.
Sent from my SM-G950F using XDA Labs

Only charge between 20-80%
Don't quick charge
Don't wireless charge
Angle the phone at a 45 degree angle when charging, this will allow the new electrons to slide naturally to the bottom of the battery so it fills up properly
Submerge the phone in cold water to keep the temperature of the phone cool while charging
With these 5 simple steps your phones battery will last 1% longer!

peachpuff said:
Only charge between 20-80%
Don't quick charge
Don't wireless charge
Angle the phone at a 45 degree angle when charging, this will allow the new electrons to slide naturally to the bottom of the battery so it fills up properly
Submerge the phone in cold water to keep the temperature of the phone cool while charging
With these 5 simple steps your phones battery will last 1% longer!
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Click to collapse
Or not at all lol.

Charging speed

To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the OnePlus 6T can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!

dash charge (now called fast charge) is crazy fast!!

Still, I would only recommend using that feature if there is a real benefit - i.e. time is of the essence. The battery will age quicker being dash charged all the time.

saw 60 percent at 35 minutes and 38 seconds, which is more or less in line with what OnePlus claims

Incredibly fast compared to my old Honor 8. One example I have is the first charge I did 5 days ago when I had bought it at a pop-up event here in Sweden. I had used it for about 1-2 hours with the screen on when I was setting it up and trying out the phone. Then when I plugged it in, it went from 36% to 75% in just 24 minutes. That's insanely fast
I've also noticed that just like OnePlus claims, the phone basically charges at the same speed with the screen on as if I would have had the screen off.

Bäcker said:
Still, I would only recommend using that feature if there is a real benefit - i.e. time is of the essence. The battery will age quicker being dash charged all the time.
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Can you provide any factual basis for this statement? Research or articles from established professionals in the field of battery charging?
Everything I've read from reliable sources state that the biggest impact on battery longevity is temperature. Repeated heating (or extreme cooling for that matter) will accelerate the "aging" process, as you put it. OnePlus has actually solved this problem by offloading the energy conversion that causes heat to the power brick, leaving the phone cool during charging (pretty ingenious). I've also read that not always charging the battery fully to 100% can prolong longevity, which is why you get charging strategies on laptops that will stop charging at 80% or 60% if you leave your laptop plugged in 24/7.
Point being, the ONLY way to slowly charge this device would be to use a third party charger and/or cable.
The reason I ask this, is that the manufacturer, OnePlus, clearly states in their documentation that comes with the phone or dash chargers to ONLY use the charger and cable that came with the phone.
Please charge the OnePlus Dash device only with the official Dash Power Adapter and Dash Type-C Cable. Using unauthorized adapter can be dangerous and may void your warranty.
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I'm not completely opposed to the idea that this could just be a marketing ploy to get you to buy their own adapter and accessories, but again just want to know if there's any substantial proof that fast charging, by itself, degrades the battery faster, of if it's just a case of incorrect tribal knowledge.
Thanks.

You are correct that the rate of charge and discharge alone are not the only deciding factors on lipo life and certainly not the most decisive ones.
Excessive heat, especially on high charge levels, is the biggest factor for increased aging.
As you mentioned extreme charging levels (completely empty or full) will also contribute to faster aging, albeit the impact is not that extreme for these low current-draw Lipos used in our phones (as opposed to high-drain Lipos for instance).
Discharge and Charge at high rates will also contribute to the speed of aging, but not as much as heat.
When a lipo spends most of its time one medium charging levels at moderate temperatures and is only charged and discharged with low rates on it will have the longest service life.
This is common for all Lipos, just how much a low or high rate is for that particular battery differs (low drain, high capacity VS high drain, low capacity cell)
With Lipos everything is a compromise. Max and min voltages, max temperatures, max draw are values the manufacturer has chosen as the best compromise to reach the intended MTBF. All these numbers are not physical absolute barriers.

Charges 0-100% in 1hr 30 mins

Second place after SuperCharge (even first gen) from Huawei. Much better than QC 3.0

Klanac89 said:
Second place after SuperCharge (even first gen) from Huawei. Much better than QC 3.0
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Nope. Super VOOC (OPPO) is hands down the fastest!

Gustav Karlsson said:
Nope. Super VOOC (OPPO) is hands down the fastest!
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First of all, how many device support Super VOOC? How many device you can buy outside China with VOOC?
Super VOOC is 50W, the same like Huaweis SuperCharge 2.
Did you test SuperCharge 2 or VOOC?

My OP6T charges up to 100% in 1hr 22mins, so I don't charge overnight anymore. Go to sleep on 40% and charge in the morning

The combo of battery life and crazy fast charging is for the first time breaking me of the "plug it in overnight" habit that I have had since my first cell phone over a decade ago. I can keep my charger at my desk, plug it in for half an hour, and be at 100% with almost no chance of running out before the next morning. That means fewer vampire chargers around the house wasting power, and fewer charge cycles lost leaving the phone plugged in long after it's full. I wish I had swapped to OnePlus sooner - I think I have finally found a phone maker to call my favorite.

The charging Speed with "Dash charge" is amazing.
Within few minutes the battery is from 0% to over 50%!
Generelly I can only say: Amazing battery life. The best I ever had with a phone (except Nokia 3310).

I started to charge when the battery was 5%. It took around 1 hour 20 mins. I can say this to be quite faster when compared to the devices I have used previously, that too when the size of the battery is much bigger than the previous phones.

Illrigger said:
The combo of battery life and crazy fast charging is for the first time breaking me of the "plug it in overnight" habit that I have had since my first cell phone over a decade ago. I can keep my charger at my desk, plug it in for half an hour, and be at 100% with almost no chance of running out before the next morning. That means fewer vampire chargers around the house wasting power, and fewer charge cycles lost leaving the phone plugged in long after it's full. I wish I had swapped to OnePlus sooner - I think I have finally found a phone maker to call my favorite.
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The incredibly fast charging, coupled with the insane battery life (especially in dark mode) has made me totally OK with no wireless charging. I used to leave my phone on the charging pad at my desk most of the day, and on my nightstand charging pad overnight. I never had to worry about charging at all and plugged in maybe 20 times max over the last two years with my Note5. I said I'd never buy a phone without wireless charging, but the $350 or so I got for my Note5 exchange for this phone was just too tempting to overlook, particularly if it set up my family for the next two to three years (our current phones didn't have band 71 and Samsung said no more security updates). The only thing I was really worried about was wireless charging and whether or not the battery life and dash charging would be enough for me to overcome range anxiety.
It has.

So I'm thinking of keeping my dash charger at home ,and my 30w aukey charger at work ,I take it this will be ok to use ?

Gustav Karlsson said:
Nope. Super VOOC (OPPO) is hands down the fastest!
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mate 20 pro, charges 4200 mAh in 1 hour.

Shady282 said:
mate 20 pro, charges 4200 mAh in 1 hour.
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Oppo Find X (Lamborghini edition) charges 3300 mAh in 35 min...

combat goofwing said:
So I'm thinking of keeping my dash charger at home ,and my 30w aukey charger at work ,I take it this will be ok to use ?
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It should be. If you are starting from full in the morning I doubt you will even need the charger are work except for very rare instances. I have gotten 7 hours SOT that was mostly gaming on this thing, moderate use you can easily get 24 hours, light use around 48.