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how to take good care of you batt

http://www.batteryuniversity.com/parttwo-34.htm
good read as it seems many still maltreat their li-ion
acording to old ni-cam myths

Also, make sure you read http://wiki.xda-developers.com/inde... revolutionary, comparative, numeric results!

I've always said this simple statement about LiIon: Charge early and often.
Do you need to plug the phone in every time you get off a call? No. Do you need to worry about it dropping below 80%? No. Just charge as often as is convenient. Sitting at a desk for a hour working on something? Charge. Driving for more than 15m? Charge.
I think if you obsess too much you might wind up with USB connector problems from all the cycles on the connector itself, but intelligent use of the above statement should get you the most out of your battery.
EDIT: Drat, replied to the wrong topic.

khaytsus said:
I've always said this simple statement about LiIon: Charge early and often.
Do you need to plug the phone in every time you get off a call? No. Do you need to worry about it dropping below 80%? No. Just charge as often as is convenient. Sitting at a desk for a hour working on something? Charge. Driving for more than 15m? Charge.
I think if you obsess too much you might wind up with USB connector problems from all the cycles on the connector itself, but intelligent use of the above statement should get you the most out of your battery.
EDIT: Drat, replied to the wrong topic.
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that would kill the battery life fast, yea u wont run out of battery soon but keep it up and ur battery is gonna die on u after talking for 1hr

Aznskill2k said:
that would kill the battery life fast, yea u wont run out of battery soon but keep it up and ur battery is gonna die on u after talking for 1hr
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er.......what?

i believe that you have to charge your battery all the way full then use all the power until it dies then you can charge it back again
but not sure

kevinutz said:
i believe that you have to charge your battery all the way full then use all the power until it dies then you can charge it back again
but not sure
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This is the exact opposite of what this article says.
Sent from my custom ROM'd Captivate

conditioning the battery the first time you get a new phone also helps, alot of us just charge for a while them use it. all my phones i let them charge for a full 24 hours right after i get them

My battery only last 6 hours

Ugh, why don't people read the article BEFORE they comment?

newarkhiphop said:
conditioning the battery the first time you get a new phone also helps, alot of us just charge for a while them use it. all my phones i let them charge for a full 24 hours right after i get them
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Ehh, doesn't the charger uncharge when the battery is full? Like a safety thing?
Sent from my Desire HD using XDA Premium App

Some articles say that one battery life cycle is used up everytime when a full charge is done. Other articles say that one battery life cycle is used each the battery is connected to the charger.
I have not seen one article that shows the truth with facts.
Sent from my GT-I5800 using XDA App

kevinutz said:
i believe that you have to charge your battery all the way full then use all the power until it dies then you can charge it back again
but not sure
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Click to collapse
No offence but I always found this to be stupid reasoning.
What if you leave home with a quarter full battery and you get caught in the middle of a natural disaster (earthquake as an extreme example) and need to keep in contact with rescuers after being stuck in a building for 2 days?
Personally, I always charge my phone/laptop whenever convenient.

black50z said:
My battery only last 6 hours
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The only problem that your battery lasts only for 6 hours is due to too much charging...So when you will buy a new battery then make sure that only charge your battery when it will remain only 10%...And try to charge your battery with phone switched off..

Charge little and often, try to avoid deep discharge/charge cycles.
Back in the days of NiCd batteries there was the posibility of memory effect where if you didn't do a discharge/charge the battery wouldn't hold as much charge.
NiMH batteries do not suffer this, but discharge/charge cycles were required because when they started being used very few people had smart chargers so had to discharge to be able to time when to stop without overcharging, and also due to confused information pulled over from NiCds.
Top up charges are better for them too.
Lithium batteries also don't have memory effect, and are better off with top up charges.
Ask yourself this:
What would stress the battery more; running 1A through it for 10 minutes or 1 hour?
Also, as the battery discharges, its voltage drops so the current drain has to increase to compensate, discharging the battery even quicker (remember how capacity graphs drop off quickly?)
Say your phone needs 2W to run, with a 4v battery that's a drain of 500mA (P=VI)
When the battery has dropped to 3.5v then to produce 2W it takes approx 571mA.

batt problem
how to keep my batt good?

I've always just charged my phones overnight while I sleep. Never seen ill effects. If I don't make it home that night my phone still lasts through the next day.
It's not like that battery is irreplaceable. Go get a new one if your battery is nearing the end of it's life. By then you would have probably moved on to a new phone.

Rudegar said:
http://www.batteryuniversity.com/parttwo-34.htm
good read as it seems many still maltreat their li-ion
acording to old ni-cam myths
Click to expand...
Click to collapse
skimmed a few parts, but thanks for the read mate, learned tons.

as others allready mentioned, there are many different suggestions how to take care of the battery. I usualy reload the baterry only if the capacity is <= 5%, without unpluging it before it reaches 100%.

thanks for the info!

[Q] New battery calibration.

Hello!
I've read many battery calibration threads. There are many methods and many ways to do it. So I am a little confused.
I am now on Stock battery with Revolution HD rom.
My Anker battery arrives on monday and I am preparing for it's use. To get the most juice out of it, I have to calibrate it.
My friend bought the ChiChitec 1950 and runed it down completely and then charged fully. In the Battery Monitor Widget it doesn't say that the battery capacity is more or less than the stock - shows 1530. Which means, the widget is showing wrong because the battery is different.
I do not want this problem.
I've read that you need to fully charge/discharge the new battery a few times first. So I have a few questions:
1) Which is it first: Charge or discharge? Puting the battery in, do I discharge till 0 or do I charge it to 100?
2) Is it better to charge it turned off or on - for the first time?
3) When to wipe battery stats: When at 100% or almost no charge?
4) Which calibration method for a new battery works for you?
I'll be greatly appreciate some help here. Thanks in advance. [:

The official response regarding battery calibration from HTC was:
1) Turn your device ON and Charge the device for 8 hours or more
2) Unplug the device and Turn the phone OFF and charge for 1 hour
3) Unplug the device Turn ON wait 2 minutes and Turn OFF and charge for another hour
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Although that was during the EVO 4G days.
Here's the original thread http://forum.xda-developers.com/showthread.php?t=712990

So, I did everything as said in that post [ battery - amazing for now ].
Umm, the only problem is what I feared. The Battery Monitor Widget still says that it's 1580 not more. How to fix that, does anybdy know this?

I do know that u only wipe battery stats when it is at full charge
Sent From My Pocket

One thing I feel I should add to this thread that I've read elsewhere is that discharging the battery completely is not good for it.
I got the two chichitec batteries with the wall charger about a month ago. I've labelled these #1 and #2. After a few discharges I noticed #2 drained a lot faster. I thought something was wrong with my phone, but #1 holds its charge much longer and better.
My only reasoning is that it's been discharged less. But this could be a coincidence and just a bad battery for all I know.

There is a setting to manually overwrite the mAh on battery monitor pro widget.
Sent from my HTC Sensation Z710e using Tapatalk

That mah reading is default for sensation

Yes, found the manual override. Much better.
Well. I think my Anker today drained a little bit too fast, so I will not dishcarge it completely again. Will test for a while.

Battery Life on the new CM7 #5 Stock kernel
Seems about average

[Q] Ebay batteries

http://www.ebay.com/itm/2X-2300mAh-...ccessories&hash=item43aedc12f9#ht_3183wt_1037
has anyone tried this battery?
what about the ANKER batter?
is any better than stock?

I've heard it's capacity isn't what's advertised and that it's best to go for the Anker battery.

bstylz911 said:
http://www.ebay.com/itm/2X-2300mAh-...ccessories&hash=item43aedc12f9#ht_3183wt_1037
has anyone tried this battery?
what about the ANKER batter?
is any better than stock?
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That looks suspiciously a lot like Chichitec charger/battery with a different sticker. Almost definitely not 2300mah, it would have to be way thicker for that.
I'd go with Anker if you want cheap but OK. If you want even cheaper and OK, than go for Chichitec
Both are a little better than stock, and it's always great to have a spare battery at hand.

After reading this
"Please Note:
The battery must be fully recharged before use.
A temporary short capacity of new battery will be resulted from not used for a long time, it is normal, the total capacity will be reinstated via used for 3-5 times.
When first get the battery, use it out, charge for 10 hours for the first three times, use it out again, then it only need to charge about 5 hours for normal use.
The best storage temperature is 20°C--5°C"
I would stay away

[Q] Battery Issues

Hi everyone,
I've had my Sensation for about 14 months now and for the past month I've been having battery issues. Primarily, it's very quick to lose charge and will lose charge even while charging from the wall. First I bought a replacement battery but was still having the same issues. I've started using Better Battery Stats and Battery Monitor Widget but I don't have anything out of the ordinary running. In fact, not a lot is running at all. BMW has allowed me to see how the charging is going though which has been nice. During this period I have used Elegancia, Bruce's CM10, and am currently on ParanoidAndroid. All experienced the same issues.
Last night, for example, I put the phone on the charger at 16 percent. It charged up to 22 and then started the downward slide to death and I ended up waking up 35 minutes late.
Where do I go from here so I don't have to constantly be paranoid about my battery levels?

Sounds like you might need another battery. In better battery starts did you notice any unusual wake locks? This could drain a battery. But since it looses charge even when charging I'd think it was the battery. I personally was experiencing some battery issues myself finally I broke down and got a mugen 3800mah battery from mugen. It was expensive but really worth it for Me.with really heavy and constant use I get 20 hours out of my battery, with normal use I get two days. I'm also running paranoid Android rom. For me the big battery solved my issues. Only one draw back, it does make your phone thicker. New back included with battery. This didn't bother me much because of the excellent battery life I receive. Now I finally don't. Worry about battery. However it's expensive at about 95 dollars. But I was so fed up with poor battery life it was worth it for me. You have to be careful when buying inexpensive batteries because there are a lot of fakes going around. And the mah is not really what it says it is on the packages. You can test the battery and make sure it is what it's advertised to be. If you don't want to go with that large of a battery you can also try anker extended battery. It's a lot less expensive and is a good battery. I personally needed more juice so I went with the big battery. I know you said you replaced the battery but sometimes the bargain batteries go bad quickly. It makes me suspicious of the battery because it's even dropping while charging. This is strange. If you ruled out any apps or wake locks that might be draining the battery I would buy a good reliable battery. The draining while charging is a red flag. I'd say the battery is going bad. I don't at all regret my purchase of the big battery. It for me, solved my issues. I do Hope this helps and I wish you the best. Hopefully you will get your issue resolved soon.
Sent from my HTC Sensation using xda premium

its either an issue with the battery or the battery reporting.
Only thing you can really try is to charge it up to 100%, wipe battery stats in recovery, then let it empty totally and charge it up again, see how its behaving. There is a chance that its the reporting that is off.
otherwise this looks like the battery is on its way out im afraid

realsis said:
Sounds like you might need another battery. In better battery starts did you notice any unusual wake locks? This could drain a battery. But since it looses charge even when charging I'd think it was the battery. I personally was experiencing some battery issues myself finally I broke down and got a mugen 3800mah battery from mugen. It was expensive but really worth it for Me.with really heavy and constant use I get 20 hours out of my battery, with normal use I get two days. I'm also running paranoid Android rom. For me the big battery solved my issues. Only one draw back, it does make your phone thicker. New back included with battery. This didn't bother me much because of the excellent battery life I receive. Now I finally don't. Worry about battery. However it's expensive at about 95 dollars. But I was so fed up with poor battery life it was worth it for me. You have to be careful when buying inexpensive batteries because there are a lot of fakes going around. And the mah is not really what it says it is on the packages. You can test the battery and make sure it is what it's advertised to be. If you don't want to go with that large of a battery you can also try anker extended battery. It's a lot less expensive and is a good battery. I personally needed more juice so I went with the big battery. I know you said you replaced the battery but sometimes the bargain batteries go bad quickly. It makes me suspicious of the battery because it's even dropping while charging. This is strange. If you ruled out any apps or wake locks that might be draining the battery I would buy a good reliable battery. The draining while charging is a red flag. I'd say the battery is going bad. I don't at all regret my purchase of the big battery. It for me, solved my issues. I do Hope this helps and I wish you the best. Hopefully you will get your issue resolved soon.
Sent from my HTC Sensation using xda premium
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Argh. I hope it's not the replacement battery too. I got a replacement HTC battery. The problem I'm having getting anything useful from Better Battery Stats is that rarely am I off the charger. In the settings it says I can log while charging but it may mess up the stats so I've shied away from doing that. I'm not against getting a bigger, better battery but I would hate to do that and have it actually be something else hardware-wise where I would need to get rid of my phone.
Hawke84 said:
its either an issue with the battery or the battery reporting.
Only thing you can really try is to charge it up to 100%, wipe battery stats in recovery, then let it empty totally and charge it up again, see how its behaving. There is a chance that its the reporting that is off.
otherwise this looks like the battery is on its way out im afraid
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I'll give this a try if I can get it back up to 100%. Is the reporting in Recovery always correct? The battery never has issues charging while it's in Recovery mode. If that's the case then I'll charge it to 100% in recovery and then wipe and start fresh.
Thanks

I don't think it's the battery. This phones have errors in battery readings. I feel your pain man. Mine is from T-Mobile (Sensation 4G) and it discharges if I use it even at lowest brightness when it's charging too.
If I reboot, I get the battery boost. I have tried EVERYTHING I read here and nothing worked. I even have 4 batteries. All of them in good condition.
I even tried three times discharging it fully and without turning it on, charge it in the night and when I wake up 7-8 hours later, it's still charging. I tried wiping stats, changing ROMs, changing the usb cable and the charger. Everything... I believe it's a hardware issue. (Thank HTC for that) I'm not buying another HTC when I have to upgrade.

KerberosKomondor said:
I'll give this a try if I can get it back up to 100%. Is the reporting in Recovery always correct? The battery never has issues charging while it's in Recovery mode. If that's the case then I'll charge it to 100% in recovery and then wipe and start fresh.
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Interesting...so if you were to charge the phone in recoery how long do you think it would take to get to 100%?
I would definitely do what you said, charge in recovery then wipe battery stats and go from there.
If you're interested in having something to compare to, it takes my phone about 3 hours to charge to 100% (by the way I'm using an Anker extended capacity battery), with a peak current usually around 800 - 900 mA. Fully charged I have somewhere around 4100 mV. If you haven't already, I'd suggest adding a Battery Monitor widget with mA, mV, and % available being displayed and it will be pretty easy to get an idea what's going on.

KCuadrado said:
I don't think it's the battery. This phones have errors in battery readings. I feel your pain man. Mine is from T-Mobile (Sensation 4G) and it discharges if I use it even at lowest brightness when it's charging too.
If I reboot, I get the battery boost. I have tried EVERYTHING I read here and nothing worked. I even have 4 batteries. All of them in good condition.
I even tried three times discharging it fully and without turning it on, charge it in the night and when I wake up 7-8 hours later, it's still charging. I tried wiping stats, changing ROMs, changing the usb cable and the charger. Everything... I believe it's a hardware issue. (Thank HTC for that) I'm not buying another HTC when I have to upgrade.
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I'm leaning towards hardware issue too. That's why I figured I'd post and see if there was anything else that I can try. It's also why I don't really want to buy an expensive battery since who knows what it'll fit next. I know what you mean about the reboot battery boost. You can almost gamble and bet on percentages when you reboot. I've seen 50% swings before.
goatee84 said:
Interesting...so if you were to charge the phone in recoery how long do you think it would take to get to 100%?
I would definitely do what you said, charge in recovery then wipe battery stats and go from there.
If you're interested in having something to compare to, it takes my phone about 3 hours to charge to 100% (by the way I'm using an Anker extended capacity battery), with a peak current usually around 800 - 900 mA. Fully charged I have somewhere around 4100 mV. If you haven't already, I'd suggest adding a Battery Monitor widget with mA, mV, and % available being displayed and it will be pretty easy to get an idea what's going on.
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Click to collapse
In recovery I would guess that it wont take very long to charge to full. I have battery monitor widget installed and while plugged into the wall with my 1.0A charger, it will typically pull 100-200mA but sometimes it'll spike to 700-900mA. No rhyme or reason. When idling and functioning properly, without a charger plugged in it drops 9-100mA. Sometimes though while charging it'll sit at negative 100-200mA.

HA! Just rebooted my phone and it went from 68% to 100%. So I rebooted into recovery, it also said full so I wiped stats.

KerberosKomondor said:
In recovery I would guess that it wont take very long to charge to full. I have battery monitor widget installed and while plugged into the wall with my 1.0A charger, it will typically pull 100-200mA but sometimes it'll spike to 700-900mA. No rhyme or reason. When idling and functioning properly, without a charger plugged in it drops 9-100mA. Sometimes though while charging it'll sit at negative 100-200mA.
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I normally get 2 to 3 mA drain with the phone sleeping. When charging you may not necessarily get close to the 1 A current delivery of the charger straight away, typically it will ramp up over time and reach peak charge current as it gets closer to 100%. Once at 100% it wants to just "trickle" charge to maintain 100% charge until the charger is disconnected, so any wakelocks etc. that cause a current drain during that "trickle" charging will actually decrease battery charge until the charger ramps up to compensate for the drain. Random spikes in charging current would suggest a hardware problem where the electronics are struggling to properly govern the charging process, as would a large negative current drain with the charger plugged in. Silly question but what's the actual plug connection to your phone like? Nice and solid, pins all OK?

Bought a new battery, anything specific I should do when replacing?

I just bought one of those Anker 2200 mAh batteries since mine has been starting to go. I'm wondering if there is anything I should do before I put it in so the phone can calibrate to a new battery. Something like wiping battery stats, letting it charge to full then discharge completely, or anything else. What do you suggest?
I am on a recent PAC-man CM based rom.
Thanks!

skytbest said:
I just bought one of those Anker 2200 mAh batteries since mine has been starting to go. I'm wondering if there is anything I should do before I put it in so the phone can calibrate to a new battery. Something like wiping battery stats, letting it charge to full then discharge to full, or anything else. What do you suggest?
I am on a recent PAC-man CM based rom.
Thanks!
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You'll get all sorts of advise when it comes to a new battery. Some people have some really elaborate routines but I really don't think that is necessary. I think you already have a good idea what to do.

Others say that there is no need to wipe data and cache or wipe battery stats. As long as you charge the new battery on the first time it was charge for about 8 - 10 hours even it its 100% already.

I got 2 of those with an anker charger on amazon. I switch between them and my OE Sammy battery (mostly on vacations) with no issues. I just pop them in and go. Sometimes they aren't even 100% since if I know they are going to sit around out of the phone for long its best if they aren't 100% charged.