When I got my S2 10 days ago, I followed advice to help with battery life by switching off wifi and NFC. Battery life has been very good (currently have 62% after midnight having taken it off charge at 7am). I charge every night so I could turn wifi on but what would the benefit be? If I go upstairs in my house without taking my phone the BT connection drops. Would wifi prevent this? Is it an either/or BT/wifi connection or can they both be used at the same time?
The point of wifi is to keep your connection when you loose bt connection. I question how much battery you save if you phone is constantly searching for bt connection. I have wifi and bt on all the time and have about 48% at 11 pm
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Just wondering if anyone else uses Barnacle WiFi Tether and can tell me how much of a battery drain it is for them?
I've noticed that on my X10 it will eat through my battery (while charging on the X10 stock charger) at varying rates. Sometimes I can get through a workday with it running and come out only down 25% charge, while other days (like today), I'm sitting at 45% charge after only 4 hours.
Not sure what differs from day to day, other than my 3G signal strength (which isn't good at my desk, hovering between 98 and 105dbm). Could that be it?
I've checked and the X10 is most certainly being fed a charge (charging LED is on, and the charging icon is on the notification bar).
I know that something like Barnacle will be a battery hog as it's running both 3G and WiFi antennas at the same time, but losing >50% charge in a few hours while plugged in seems pretty crazy.
Don't own an X10, but my TD2 with wifi tethering kills of the battery in a few hours, and slowly goes down when connected to the charger
saltorio said:
Just wondering if anyone else uses Barnacle WiFi Tether and can tell me how much of a battery drain it is for them?
I've noticed that on my X10 it will eat through my battery (while charging on the X10 stock charger) at varying rates. Sometimes I can get through a workday with it running and come out only down 25% charge, while other days (like today), I'm sitting at 45% charge after only 4 hours.
Not sure what differs from day to day, other than my 3G signal strength (which isn't good at my desk, hovering between 98 and 105dbm). Could that be it?
I've checked and the X10 is most certainly being fed a charge (charging LED is on, and the charging icon is on the notification bar).
I know that something like Barnacle will be a battery hog as it's running both 3G and WiFi antennas at the same time, but losing >50% charge in a few hours while plugged in seems pretty crazy.
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i am using x10 n charging it with nokia n97 charger (supposedly with higher mah rating) and i have used sonys original charger too while using barnacle wifi tether and charging simultaneously it kills my battery completely to a point where it goes into off/hibernate mode in like 2 hrs MAX i have used easy tether too, well on easy tether it also drains while its being charged via USB,
im looking forward to buy 10 pack of x10 battery
How do you get Barnacle WiFi Tether work on X10?
How do you get Barnacle WiFi Tether work on X10?
I got X10 v2.1. It is connect to computer but not share internet to PC...How can I get it to work?
ALL WIFI Tether will always eat our battery, guys.
3G is an eater.
Tethering is an eater.
As you can see, the only way is to connect your charger.
-or-
Use USB Tethering.
click9666 said:
How do you get Barnacle WiFi Tether work on X10?
I got X10 v2.1. It is connect to computer but not share internet to PC...How can I get it to work?
Click to expand...
Click to collapse
By installing my ROM, on 2.2 Froyo CM6.
enolok said:
ALL WIFI Tether will always eat our battery, guys.
3G is an eater.
Tethering is an eater.
As you can see, the only way is to connect your charger.
-or-
Use USB Tethering.
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Click to collapse
Um.. this is bad advice.
Due to the amount of juice eaten by the 3G radio there by heat generated expect it to do damage to the device.
While WiFi tethering both 3G and WiFi chips are active causing the power drain, couple that with plugging in the device and you are going to generate a lot of heat. I wouldn't suggest using it for an extended amount of time.
what is better to use... when it comes to battery consumption...
wifi or 3g?
and is there a big difference in speed?
sorry for the newb-like question...
Wi-fi is better for battery life, and its usually faster than 3G
Sent from my SAMSUNG-SGH-I897 using XDA App
I found, according to Juiceplotter, that my phone dies a tad bit quicker when I'm connected to wifi at home as opposed to 3g. Funky but true. Slopes of wifi usage decrease a lot quicker than the slopes for 3g usage.
EDGE
10char
I was losing 30% every night with my phone sitting with the screen off and wifi set to never sleep. Last night I disabled the wifi and lost 3% over 8 hours even though I was only getting 1 bar or signal and have autosync on for weather, facebook, email. I am going to try to leave wifi on tonight with it set to only stay on when plugged in and see how much it will drop.
bigdoug2005 said:
I was losing 30% every night with my phone sitting with the screen off and wifi set to never sleep. Last night I disabled the wifi and lost 3% over 8 hours even though I was only getting 1 bar or signal and have autosync on for weather, facebook, email. I am going to try to leave wifi on tonight with it set to only stay on when plugged in and see how much it will drop.
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I agree setting wifi to never sleep will kill your battery quicker than 3G overnight. I use Wifi when I am at work because it is faster, I am not 100% sold on the idea that it uses less battery than normal data. Especially if you do not normally use a lot of data.
I had this problem once when I first got my captivate, but then it went to normal (lose ~5% overnight). Overnight I keep wifi connected and airplane mode off. I was happy, lasted 10-15 hours daytime depending on how heavy I used it, etc.
I recently ordered a two spare batteries with an extra micro usb cord as well as an external battery charger (charges batteries while not inside the captivate). I use the new microusb cord to charge sometimes too because for some reason it doesn't work with PC to connect micro sd card, and I charge my batteries mostly using the external charger.
I recently started losing 30+% overnight. I don't know when exactly (if it were apps or the new batteries, but it happens with my old battery and the new ones). I installed spareparts and battery history and tried turning off background data but I still lose this much overnight. I don't really know how to read spareparts to try to isolate an app. My daytime battery life is not drastically lower than before (10+ hours), but I think it is a bit lower than before. Does anyone know how to fix this problem?
tl;dr:
- used to lose <5% battery overnight
- got new batteries, now use external charger
- suddenly started losing 30%+ overnight, don't know why
- help please!
thanks!
I personally lose more than that overnight when I have wifi enabled. However when I have it off I lose less than 5%. So I guess I'm in the opposite situation as you.
Since you already have spare parts installed and used to have better life the only thing I can suggest is recalibrating http://forum.xda-developers.com/showthread.php?t=765656. Sorry if you have already done this before. It's just that when you pull the battery and switch it I'm assuming the battery stats file may not adjust accordingly. It's worth a shot.
I seem to be having the same issues as you. I made a thread over at the Q&A section which may be of some help.
http://forum.xda-developers.com/showthread.php?t=829285
As for losing more than 30%-40% overnight with wifi enabled, there has got to be some lingering issue on your phone if it is losing that much. I don't think any phone, no matter how bad the battery life it has, should lose that much overnight, granted that you don't have a TON of data intensive activities running on your phone.
30-40% WOW!
I get 36-48 hours in between charges on my phone.
Wifi is always on, sync is always on, no live wallpaper, weather and email updates every hour. I'm not on it every minute of every day but enough use for sure.
over night I lose about 5% on average.
Calibrate your battery...but you can't change batteries or you need to calibrate all over again.
Sent from my FroYoed Sprint Hero
As I posted in this thread: http://forum.xda-developers.com/showthread.php?t=829285, I did a factory reset and my phone seemed to be working fine as it slept when the screen was off (checked by using *#*#4696#*#*). It was good until approximately 50% when all of a sudden I checked and it wasn't sleeping once again. Checking the partial wakelock "Android System" was taking up an increasing larger amount of this section. I didn't do anything on my phone as I was sleeping and periodically, when I'd wake up, I'd check on my phone status. When I reboot the phone once this happens, it sleeps once again.
Keep in mind, my phone is stock. Didn't install any apps or anything at all since the factory reset. Now I'm not sure if I have a defective phone. Maybe the Android OS is set up to run like this? There's no such thing as a defective OS is there? Can't be anything on my end because I didn't touch the phone nor did I install any bad apps (or any apps at all for that matter). Can it be a battery issue? I can't see how a bad battery can cause the phone not to sleep. Is there something in the Android OS that turns on automatically after a while that may be causing it?
I'll try to recalibrate my battery but I don't know how that would alter if my phone sleeps or not, but I'm willing to try. I'd rather not take this phone back and get another one as that's a hassle.
Mine will loose 40% over an 8 hour window easy with absolutly 0 use if its near the "edge" of either wifi coverage or data coverage.
IE, sit the phone down with a weak att signal and walk away. It'll die on its own unless you airplane mode it within half a day.
I have to religiously turn the phone on airplane and switch to wireless at home, and turn to airplane and turn wireless off at work (can't connect to work VPN with 2.1 !)
If I leave it on full in either location, it's bloody dead next time I touch it.
However, with good home wifi, I can actually get 4 days of email checking, use as alarm clocks, some other sms stuff without plugging in.
This things is helaciously sensitive to wonky radio connections.
hmmm. I guess I'll try it with wifi on tonight. I don't think recalibrating would cause it to have a 10x difference in idle battery usage, but I'll try that if all else fails
I use Setting Profiles app and have it set wireless to Airplane mode from midnight to 6am. Still, I'm finding my battery down by 30-50% at night.
Looking at Battery Usage, my Display, Cell Standby and Phone Idle we all using the majority of the battery power. I'm not sure if these numbers are reset after the phone comes off the charger or how it is calculated.
I just turned off wifi altogether and have seen huge improvements. I don't even use it anymore despite being in my house with a wireless connection. Data usage isn't that much slower so not much of a loss. At least it can sleep.
i only get like 24 hours on my phone :/
fshalor said:
Mine will loose 40% over an 8 hour window easy with absolutly 0 use if its near the "edge" of either wifi coverage or data coverage.
IE, sit the phone down with a weak att signal and walk away. It'll die on its own unless you airplane mode it within half a day.
I have to religiously turn the phone on airplane and switch to wireless at home, and turn to airplane and turn wireless off at work (can't connect to work VPN with 2.1 !)
If I leave it on full in either location, it's bloody dead next time I touch it.
However, with good home wifi, I can actually get 4 days of email checking, use as alarm clocks, some other sms stuff without plugging in.
This things is helaciously sensitive to wonky radio connections.
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It's not just this phone. My wife's iPhone does the same thing, as did my Q9H. The constant switching from 3G to Edge will kill a battery.
SiL3nTKiLL said:
i only get like 24 hours on my phone :/
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24 hours is normal.
Sent from my FroYoed Sprint Hero
I turned off wifi and have seen an improvement. It's still not where it was before, though - I used to lose 5-10% with wifi on. I wish I knew what happened.
I got my HTC Sensation a couple of days ago. With a full charge and with GPS, Wifi, Bluetooth and 3G disabled, the phone dies after 10 hours moderate use.
The coverage by my operator in the area where I live there is a constant signal fluctuation.
I have heard that this can cause battery drain. Is this true?
This is very true. When I go to areas with little or no signal, my battery dies twice as fast.
dial *#*#4636#*#* and set it to GSM auto (PRL). Should considerably improve your battery if signal is weak, but won't do anything for your reception.
This is something I've noticed drastically with HTC Android phones, my Desire was exactly the same.
On my Sensation I usually get reasonable battery life, a little better than my Desire. With moderate use when the signals decent (3 -4 bars average) easily 20- 30 hours with 4 - 5 hours screen on time. However if I spend the day in a location with very poor reception (0-2 bars average) I just about get a full waking day of 17 hours with 3 hours screen on time. Thankfully I usually have a decent signal.
After a few complete charge and discharge cycles you should see an improvement on that poor 10 hours you got though. I recommend you completely discharge the battery untill the phone shuts itself down and then charge the phone over night while its switched off for the first 4 charges to calibrate the battery well.
Cheers
I charged my phone to 100%, turned of mobile data.
I turned on wifi,GPS and connected the phone to my wifi-router (100% signal from the router).
The Sensation has been running with no charger connected since 22:00 CET yesterday and time here is 08:52 CET. The phone has only lost 29% of power since last night.
Compared to yesterday when I took it to town on a full charge with GPS, Wifi and GSM Mobil-data turned on. It lost almost 35% of power in three hours.
I know I properly can't compare Wifi and GSM data, but if it was the case one could conclude that what could be killing the battery life of the Sensation is bad GSM/3G data coverage?
Poor reception has always been main battery killer on sby. Change setting I mentioned, should improve.
Euroman28 said:
I charged my phone to 100%, turned of mobile data.
I turned on wifi,GPS and connected the phone to my wifi-router (100% signal from the router).
The Sensation has been running with no charger connected since 22:00 CET yesterday and time here is 08:52 CET. The phone has only lost 29% of power since last night.
Compared to yesterday when I took it to town on a full charge with GPS, Wifi and GSM Mobil-data turned on. It lost almost 35% of power in three hours.
I know I properly can't compare Wifi and GSM data, but if it was the case one could conclude that what could be killing the battery life of the Sensation is bad GSM/3G data coverage?
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Sent from my HTC Sensation Z710e using XDA App
Okay I will try..
What is the maximum life anyone has gotten out of a sensation?
Sent from my HTC Sensation Z710e using XDA App
tinky1 said:
dial *#*#4636#*#* and set it to GSM auto (PRL). Should considerably improve your battery if signal is weak, but won't do anything for your reception.
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Having problems with battery life also. What exactly does doing what u mentioned do?
Instead of constantly searching for 3g it sticks with gprs, until sufficient 3g signal is found.
seatown1two said:
Having problems with battery life also. What exactly does doing what u mentioned do?
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Sent from my HTC Sensation Z710e using XDA App
It has been alive for almost 14 hours now with GPS, Wifi and turned on and connected to my AP and Cellular data turned off, but with a regular GSM connection to the Operator network so I can send and recieve texts and recieve and dial out calls.
By the way when your Sensation jumps onto a 3G connection do you feel it getting warmer?
Also flash the latest radio.
Has anyone experienced high battery usage on 2.4ghz WiFi networks? I am seeing my battery drain alarmingly fast at work (2.4ghz) at university and on the train (also 2.4ghz) but at home (5ghz) I have no issues and get well over a day of battery with 5 hours on screen - at work if I turn WiFi off my battery completely levels out and gives good performance. If I leave it on I will get 10 hours off battery with 3 hours on screen and it'll die.
Anyone seeing anything similar? If your battery life is extremely poor try turning WiFi off or using a 5ghz band. Quite annoying. I am on UK Vodafone with the G920FXXU1AODG OTA. Although the battery drain on 2.4ghz networks occurred before this version.
I am going to turn my home router to 2.4ghz tonight and test it with that, could just be my work, uni and train have terrible wifi!!