battery calibration? - HD2 Windows Mobile 6.5 Themes and Apps

hi!
don't know if this is the right forum, but i think i'll give it a try
how can i calibrate the battery of my hd2? or is this not neccessary?
should i always discharge 'till the battery is nearly empty, or is this not a good idea and i should recharge at a certain battery-level the latest?
thanks very much for your help!

im getting v good battery usage and i do thid by full charge full drain 3 or 4 times and i tend to charge when gets to 10% hope this helps g

hebbe said:
hi!
don't know if this is the right forum, but i think i'll give it a try
(...)
Click to expand...
Click to collapse
i think the hd2 general forum would have been more appropriate for this but i guess it won't hurt anyone if you posted here
there are many contrasting views about this and you will probably get confusing answers. i am not an expert but i'll try to brief you with some info i've got from my readings about lithium-ion batteries and my personal experience, of course.
so here we go:
hebbe said:
how can i calibrate the battery of my hd2?
Click to expand...
Click to collapse
1. discharge fully until the phone shuts down by itself
2. remove battery and wait ~1 minute
3. charge completely with the phone OFF until the green light is lit
4. remove battery and wait ~2 minutes
hebbe said:
is this neccessary?
Click to expand...
Click to collapse
some recommend to do it every 3 to 6 month
here you'll find many that recommend you to do it after flashing a new radio rom.
from my own experience i tend to agree with this
hebbe said:
should i always discharge 'till the battery is nearly empty, or is this not a good idea and i should recharge at a certain battery-level the latest?
Click to expand...
Click to collapse
i've read somewhere that lithium-ion batteries like being charged as often as possible and don't like being left without juice. this is the main reason some people don't want to even hear about the calibration procedure. but i think there is a big difference between complete discharging now-and-then and complete discharging as a habit.
i've never heard anybody recommend a precise low level limit when you should start to recharge.
there is no danger to overcharge though.
hebbe said:
thanks very much for your help!
Click to expand...
Click to collapse
no problem mate,
cheers

Related

Raphael battery WILL NOT DIE

It's been at (!) for probably about half an hour... I'm getting tired but I am wrong... Stupid good batteries, why couldn't you be like the Diamond
It might be the Software, I dont have Pro yet but my s730 will go ! at 40% of battery life and warn me at 20% and go critical at 10%... I would assume your's is doing the same type of thing to keep you informed?
How long has it been on?
Black93300ZX said:
It's been at (!) for probably about half an hour... I'm getting tired but I want to kill it... Stupid good batteries, why couldn't you be like the Diamond
Click to expand...
Click to collapse
why would you want to do that?? i thought that with new lithium batteries it's better for them to charge them as much as possible, whenever possible. and AVOID them to go to 0. That could kill it, for good! Someone please, tell us if i'm wrong. These are not the oldschool batteris with "memory". So no reason to get it to reach zero for any reason, than destroying it. (it vould need kickstart after that)
/Henry
@black.... how much standby are you getting? Have you tested it out yet?
ferraripassion said:
@black.... how much standby are you getting? Have you tested it out yet?
Click to expand...
Click to collapse
How could he? He has it since yesterday evening...
Jorlin said:
How could he? He has it since yesterday evening...
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Click to collapse
Haha yes... Well, I constantly used it yesterday (obviously)... Always connected to wifi, always connected to Edge/3G (depending what was available)... Played teeter, talked on it, browsed the internet, listened to some of the music that's on it, it was being pushed hard... And it lasted like 6 hours. Not bad at all, and it gave me like a half an hour window after the battery went to (!) status.
rakdoll said:
why would you want to do that?? i thought that with new lithium batteries it's better for them to charge them as much as possible, whenever possible. and AVOID them to go to 0. That could kill it, for good! Someone please, tell us if i'm wrong. These are not the oldschool batteris with "memory". So no reason to get it to reach zero for any reason, than destroying it. (it vould need kickstart after that)
/Henry
Click to expand...
Click to collapse
Li-ion batteries do not suffer from the "Memory" issue as much as others, but they still do to some extent. The biggest issue with all Li-ion batteries is once its charged if you leave it on the charget you will burn it out and it will stop holding a charge.
Running it to near zero before charging wont hurt it, I have done it for almost a year on my s730 without issue and I charge it every few days due to use.
There are rumors that running it to full zero can hurt it and you should keep it charged since it wont hurt it memory / overcharge wise. I usually but not always drain my phone to 10 - 20% before charging to full and taking it off the charger once full. This way I can keep it charged and not worry too much about memory issues.
Ni-MH batteries really sufferd from the overcharge and a little from the memory, while Li-ions are supposed to not suffer from either I have (over retail experience) seen them suffer from both issues as well however it takes longer for the problems to crop up usually.
As long as you are carefull your battery should last a good long time.
I am wrong
A good read regarding Lithium-Ion batteries, and how to treat them for long life.
http://www.batteryuniversity.com/parttwo-34.htm
Mechanicaldan said:
A good read regarding Lithium-Ion batteries, and how to treat them for long life.
http://www.batteryuniversity.com/parttwo-34.htm
Click to expand...
Click to collapse
"The battery prefers a partial rather than a full discharge."
Well, that's that.
At least it's not an iPhone, and we can replace ours... ;-)

Poor Battery Life on NS?

I'm going to try to purchase my Nexus S before class tomorrow when they open. Don't want to take any chances on it selling out. Would it be wise to turn it on and use it a while during the morning? Or does the battery need to be fully charged before using it to condition it and ensure a good battery life? I've read many battery tips but i'm still a little confused on whats better for a new battery.
CaliLove310 said:
I'm going to try to purchase my Nexus S before class tomorrow when they open. Don't want to take any chances on it selling out. Would it be wise to turn it on and use it a while during the morning? Or does the battery need to be fully charged before using it to condition it and ensure a good battery life? I've read many battery tips but i'm still a little confused on whats better for a new battery.
Click to expand...
Click to collapse
When you get it, deplete it, but do not let it die. Ever. Then just cycle it normally.
zachthemaster said:
When you get it, deplete it, but do not let it die. Ever. Then just cycle it normally.
Click to expand...
Click to collapse
What do you mean by "die".... like to 0%, if so what should we take it down to?
azn2050 said:
What do you mean by "die".... like to 0%, if so what should we take it down to?
Click to expand...
Click to collapse
Yes, by letting your battery "die", per se, you're letting it deplete to 0%. I'd say for safe measure, between 5%-9%. But if you're in the vicinity of a charger take it down to 2%. If not, turn it off at 5%, then plug it in before powering it back on. My devices' daily life lasts so long (on all devices I own) because I properly know how to cycle a battery.
If you let your battery die (0%), it'll lose more and more charge (on a 0.00% level) every time. When you get it tomorrow though, it should have ~50%-60% charge.
CaliLove310 said:
I'm going to try to purchase my Nexus S before class tomorrow when they open. Don't want to take any chances on it selling out. Would it be wise to turn it on and use it a while during the morning? Or does the battery need to be fully charged before using it to condition it and ensure a good battery life? I've read many battery tips but i'm still a little confused on whats better for a new battery.
Click to expand...
Click to collapse
There's no need for that, only if it doesn't have any juice.
More info: batteryuniversity dot com
Battery life?
So how are your batteries doing? Mine is kind of crappy. What supposedly changed in 2.3? I see no difference in the reporting of apps in Battery Use and they took away Battery History in the hidden system settings. Where is the graph everyone talked about?
You gotta give it a few charging cycles for the battery to reach it's full potential. Give its few days, you'll notice it will get better after you charged it a few times.
Sent from my Nexus S using XDA App
The battery life on mine is chugging along pretty well. I gave it a full charge before hitting the streets. Its been 4 hours with wifi and GPS on with a couple dozen pictures taken and a bunch of apps dl and installed. used maps 5.0 and periodically hit the GPS for my position getting really good accuracy while driving and the battery level still has a little more than 4/5s battery life still remaining
Sent from my Nexus S using XDA App
hah2110 said:
So how are your batteries doing? Mine is kind of crappy. What supposedly changed in 2.3? I see no difference in the reporting of apps in Battery Use and they took away Battery History in the hidden system settings. Where is the graph everyone talked about?
Click to expand...
Click to collapse
You haven't broken it in yet, use your brain.
The phones barely been out that long, it takes a while to have good statistics about battery life.
Myth on lion
rashad1 said:
You haven't broken it in yet, use your brain.
Click to expand...
Click to collapse
Sent from my Nexus S using XDA App
I haven't even reached the full 100% charge yet, been using it then charging it some then using it then charging it some. Lol
hah2110 said:
So how are your batteries doing? Mine is kind of crappy. What supposedly changed in 2.3? I see no difference in the reporting of apps in Battery Use and they took away Battery History in the hidden system settings. Where is the graph everyone talked about?
Click to expand...
Click to collapse
hah2110 said:
Myth on lion
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
That's funny because every company that sells back up batteries tell you to go through 4-5 full cycles before it reaches its potential. I guess you're right, and they're all wrong.
They are wrong. Google it
Sent from my Nexus S using XDA App
Battery
how do I train my battery it was halfway charged when i got it do I let it die and then put it on the charger thanks!
EDIT:WRONG SECTION DELETE THIS MODS!
I've always charged all the way up then ran the battery all the way down, then charged all the way up again. Then periodically, I will run the battery all the way down just to give it a little exercise. So far out of all the cell phones I have had I have had 1 battery go bad on me, that was 8-10years ago.
Battery
how do I train my battery it was halfway charged when i got it do I let it die and then put it on the charger thanks!
matter of opinion really.... I would kill it by playing with it.... then do a full charge
that is what I am doing
Generally the suggested method is to charge it for 8-12 hours as soon as you can, then use it until it gets very low, then charge for another 8-12 hours. Do this cycle about 3 to 4 times and you've got yourself a healthy battery.
Killing the battery entirely, despite popular belief, can have some negative effects on its health. Especially during is conditioning phase.

[Q] Battery level has gone crazy

Hey all,
recently I have encountered a rather big and annoying problem on my phone. It has to do with my battery. I've looked it up on xda, but nothing was really exactly like my problem.
The problem is that my battery level has gone absolutely crazy.
First, charging my phone takes many many hours. After around 5 hours it still wasn't fully charged.
Then when rebooting the phone, it magically said 100%. However, after this the phone drained extremely fast. Think around 20 percent per hour, while using it normally!
Secondly, around 40 percent the phone automatically turned off, without the usual HTC logo. When I turn it on again the battery level is suddenly 2 %. After a few times turning off and on the battery level goes up to 30 percent. This can be seen very well on the pictures.
The phone is 1,5 years old and I haven't installed a custom ROM.
Am I dealing with a broken battery or is the problem in the software?
Hi,
I'm not an expert, but I think your battery is exhausted.
But before you run buying another battery...
What charger are you using? Stock HTC or custom? If custom, what are the Voltage/Current output values?
probably your battery is dying as the above user said
or the battery it doesn't connect properly
check it
Kalashnikov94 said:
Then when rebooting the phone, it magically said 100%.
Click to expand...
Click to collapse
about this it is a htc's common issue
try this https://dl.dropbox.com/u/47039397/MODs/Battery Auto-calibration Script.zip
TheWall-[ITA] said:
Hi,
I'm not an expert, but I think your battery is exhausted.
But before you run buying another battery...
What charger are you using? Stock HTC or custom? If custom, what are the Voltage/Current output values?
Click to expand...
Click to collapse
It's HTC stock.
rzr86 said:
probably your battery is dying as the above user said
or the battery it doesn't connect properly
check it
Click to expand...
Click to collapse
Okay, thanks a lot! I was planning anyway to buy an Anker battery.
Kalashnikov94 said:
Okay, thanks a lot! I was planning anyway to buy an Anker battery.
Click to expand...
Click to collapse
Nice
Sorry for off topic: do you think it's better Anker or Mugen battery?
I had a similar problem. and my phone turns itself off.
i send phone to repair and he change display, battery and headphone
TheWall-[ITA] said:
Nice
Sorry for off topic: do you think it's better Anker or Mugen battery?
Click to expand...
Click to collapse
While reading on some forums about a better battery for the Sensation I haven't encountered Mugen, only Anker, which has some good reviews.

HTC One XL first charge

Hello there,
I just got my HTC One XL from ebay and I have some questions.
How should I do the first charge? Should I use my new cellphone first and wait to the battery discharge in order to make a full charge of 7 hours?
Thank you!
If you bought it from eBay it's almost definitely not new, so the first charging process isn't super important. But, if you really want to you can plug it in until the led turns green, continue to charge for another hour, disconnect, turn it on and discharge it fully, charge fully again, then use as normal. Except for this first charge kind of situation it's generally not a good idea to discharge your phone fully, top-up charges are the suggested method.
Sent from my Evita
It shouldn't matter too much with lipoly batteries, even when the phone says 0% it's still 3v which is only half discharged (safety margin around 2v before battery locks up and 4.2v which is 100%), there should be little concern with running a battery to the point it switches off as it would still have around 300 months shelf life.
There is no battery conditioning with lipoly only the way the android system determines the rate of discharge, it might for instance take 12 hours to get to 10% and then an hour to use up the last 10% as it's not figured out the discharge curve of the battery. Best thing to do is charge to 100% and allow it to run to switch off until it works out how fast or slow the battery rate is. Alot of the 'battery calibration' tools are worthless as they wipe the batterystats.bin which just allows android to determine this - giving odd readings (such as "my battery lasts twice as long to get to 50%" but then it is twice as fast from then on). useful if you have a new battery or it's out of whack but certainly dont need to do it regularly, contrary to a report by a so called android technician the batterystats.bin isnt wiped on reboot.
Sorry I go on a bit, I like to try and educate people on battery and charging methods to ensure they get the best out of them.. so as timaaa says, plug in and charge, use and discharge a few times and you'll get an accurate battery reading.
Sent from my HTC One XL using Tapatalk
Regardless of whether the battery is only discharging to 3v when you "fully" discharge it, repeating that process too many times is harmful to the long term life of the battery. I found an amazing article written by a battery scientist which contained some fantastic information, the core advice: don't repeatedly discharge your battery, top-up charges are the best way. If I can find a link I'll post it for reference.
Sent from my Evita
timmaaa said:
If you bought it from eBay it's almost definitely not new
Click to expand...
Click to collapse
Why are you saying that? I bought it from: ebay.com/itm/111225894476?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
So, I have to plug it for make a full charge and then I have to use it, I will recharge it when it is 10% or 20% of charge?
sombragn said:
Why are you saying that? I bought it from: ebay.com/itm/111225894476?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
So, I have to plug it for make a full charge and then I have to use it, I will recharge it when it is 10% or 20% of charge?
Click to expand...
Click to collapse
The reason @timmaaa is saying that is because since our phone is so old (July 2012 release) it would be a bit weird to see a new phone there on ebay.
The first charge should be around 8 hours.Then you discharge once it hits 5% or so. Then charge it up full again, and let it die completely this time. and then charge full and don't worry about it again.
Now, more importantly, now that you have a new phone: WELCOME TO THE ONE XL FORUM! Hopefully we can see you around, trying out the various ROMs. A word of advice though: if you plan on trying these ROMs, I highly recommend you get root, boot unlock, and s-off all before you go and take the Sense 5 OTA that contains the latest (and non-unlockable) bootloader
timmaaa said:
If you bought it from eBay it's almost definitely not new, so the first charging process isn't super important. But, if you really want to you can plug it in until the led turns green, continue to charge for another hour, disconnect, turn it on and discharge it fully, charge fully again, then use as normal. Except for this first charge kind of situation it's generally not a good idea to discharge your phone fully, top-up charges are the suggested method.
Sent from my Evita
Click to expand...
Click to collapse
pandasa123 said:
The reason @timmaaa is saying that is because since our phone is so old (July 2012 release) it would be a bit weird to see a new phone there on ebay.
The first charge should be around 8 hours.Then you discharge once it hits 5% or so. Then charge it up full again, and let it die completely this time. and then charge full and don't worry about it again.
Now, more importantly, now that you have a new phone: WELCOME TO THE ONE XL FORUM! Hopefully we can see you around, trying out the various ROMs. A word of advice though: if you plan on trying these ROMs, I highly recommend you get root, boot unlock, and s-off all before you go and take the Sense 5 OTA that contains the latest (and non-unlockable) bootloader
Click to expand...
Click to collapse
Sorry, I am an old man with a family and i dont have a lot of time to search by myself.
First, thank you very much for your answers guys.
Second, is there a way to find out if the cellphone has been used? The phone looks like new tho.
Thank you guys and thanks for answering!
sombragn said:
Sorry, I am an old man with a family and i dont have a lot of time to search by myself.
First, thank you very much for your answers guys.
Second, is there a way to find out if the cellphone has been used? The phone looks like new tho.
Thank you guys and thanks for answering!
Click to expand...
Click to collapse
If there is a way to see it a smartphone has been used?....hmm that's a really good question. I would try checking the imei with HTC. See how long ago if the product has been used. That's all I can think of
sombragn said:
Why are you saying that? I bought it from: ebay.com/itm/111225894476?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
So, I have to plug it for make a full charge and then I have to use it, I will recharge it when it is 10% or 20% of charge?
Click to expand...
Click to collapse
It'd be highly unlikely for a phone that's over two years old now for there to be any new ones out in the marketplace at all. Even if it looks new, it's probably refurbished at best.
sombragn said:
Sorry, I am an old man with a family and i dont have a lot of time to search by myself.
First, thank you very much for your answers guys.
Second, is there a way to find out if the cellphone has been used? The phone looks like new tho.
Thank you guys and thanks for answering!
Click to expand...
Click to collapse
As pandasa said, you could try checking with HTC, short of that I don't have any ideas. If the phone performs well though it really doesn't matter if it isn't brand new, I only said that because if it isn't new I doesn't desperately need the usual first charge treatment.
Sent from my Evita
timmaaa said:
It'd be highly unlikely for a phone that's over two years old now for there to be any new ones out in the marketplace at all. Even if it looks new, it's probably refurbished at best.
As pandasa said, you could try checking with HTC, short of that I don't have any ideas. If the phone performs well though it really doesn't matter if it isn't brand new, I only said that because if it isn't new I doesn't desperately need the usual first charge treatment.
Sent from my Evita
Click to expand...
Click to collapse
I see, where can I check the imei online? Thank you guys, I mean it
sombragn said:
I see, where can I check the imei online? Thank you guys, I mean it
Click to expand...
Click to collapse
Just hit the thanks button. It's pretty much the same thing. To check the imei: boot into the bootloader. So turn the device off, then hold PWR + VOL DOWN at the same time. The imei should be there
pandasa123 said:
Just hit the thanks button. It's pretty much the same thing. To check the imei: boot into the bootloader. So turn the device off, then hold PWR + VOL DOWN at the same time. The imei should be there
Click to expand...
Click to collapse
I clicked on Thanks bottons, thanks
But, what should i see on the screen? IMEI are numbers, right? do you want me to copy and paste here? Thank you.
sombragn said:
I clicked on Thanks bottons, thanks
But, what should i see on the screen? IMEI are numbers, right? do you want me to copy and paste here? Thank you.
Click to expand...
Click to collapse
NEVER post your IMEI. It should say "IMEI: " and then a bunch of numbers and/or letters. You'll know when you see it

Battery Calib?

Hi,
Does one need to do 2-5 cycles to calibrate the battery before flashing from Color OS to CM 11S, on a new device........is it a must?
Thanks.
No, the battery's firmware-level calibration is independant of any attached device or software version.
You should just do it at the beginning of using your device since you may have poor battery performance until doing so. Note that 2-5 is absolutely overkill, you need to discharge it completely and then fully charge it in one go - done.
d4fseeker said:
No, the battery's firmware-level calibration is independant of any attached device or software version.
You should just do it at the beginning of using your device since you may have poor battery performance until doing so. Note that 2-5 is absolutely overkill, you need to discharge it completely and then fully charge it in one go - done.
Click to expand...
Click to collapse
Thanks for your expert advice. Full discharge till DEAD correct and than Full charge till 100% for my new OPO, before flashing?
Best Regards!
Micheal1122 said:
Thanks for your expert advice. Full discharge till DEAD correct and than Full charge till 100% for my new OPO, before flashing?
Best Regards!
Click to expand...
Click to collapse
You can do it after flashing too. It has nothing to do with the phone's software.
There was a myth concerning Android battery calibration Google debunked a looooong time ago and which proved to be wrong.
d4fseeker said:
You can do it after flashing too. It has nothing to do with the phone's software.
There was a myth concerning Android battery calibration Google debunked a looooong time ago and which proved to be wrong.
Click to expand...
Click to collapse
I personally think the whole battery thing is some sort of smoke and mirrors. I've read engineers stating lithium ion and polymer batteries do not like a full discharge, they prefer shallow discharges instead. Every battery thread seems to have conflicting information so take all the advice you get with a grain of salt. Charge it when you want, you'll probably replace the phone long before the charge/discharge cycles run out.
d4fseeker said:
You can do it after flashing too. It has nothing to do with the phone's software.
There was a myth concerning Android battery calibration Google debunked a looooong time ago and which proved to be wrong.
Click to expand...
Click to collapse
Thanks again for clarifying in depth.
Best Regards!
Birdsfan said:
I personally think the whole battery thing is some sort of smoke and mirrors. I've read engineers stating lithium ion and polymer batteries do not like a full discharge
Click to expand...
Click to collapse
Yes, that's true. Li-Ion batteries live the longest when kept between 40 to 70% of their maximum capacity. This also means you should not charge it to or even close to 100%.
Birdsfan said:
Every battery thread seems to have conflicting information so take all the advice you get with a grain of salt.
Click to expand...
Click to collapse
The information is not really conflicting. The chemical components (read: Lithium polymer) do not like deep discharge but the electronical component simply need a cycle now and then for best calibration and thus runtime.
This truth of seemingly conflicting information stretches across anything and everything related to electronics and beyond.
Birdsfan said:
Charge it when you want, you'll probably replace the phone long before the charge/discharge cycles run out.
Click to expand...
Click to collapse
If you replace your phone every year, yes. A typical Li-ion battery holds around 500 cycles before it starts noticeable degrading. If you use your phone enough to have it (close to) empty every single day, that will be approx 1.5 years. After 2 years it will in many cases be far below it's original capacity.

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