Which up to date kernel supports trickle charging ? - EVO 4G Q&A, Help & Troubleshooting

I just switched to an Evo from my Optimus V(best battery life ever) not too long ago. After countless days of unplugging my Evo and having 80% in 10 minutes, I was getting pissed and figured out that the kernel didn't support trickle charging.
So question is, what kernel can I use on stock 2.3 that supports trickle charging?
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There are not any at this point. The only SBC (trickle charge) kernels that are out are for aosp roms. For some reason the few kernel devs we have here despise SBC. We had one with froyo but since gingerbread hit there has been nothing

So they just deal with the battery loss? Ugh.
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qccoles said:
So they just deal with the battery loss? Ugh.
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Ugh is right. Even with AOSP ROMs using SBC Kernels, battery life has gone way down hill since Gingerbread came out.
I hope they get this all straight with ICS

Well that sucks. Guess ill be getting a 3500 quicker than I thought. Thanks for the replies!
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I agree. Myn's Warm TwoPointTwo was the best battery EVER. 24 hours on stock, imagine my extended battery? Sadly, I fell in love with MIUI..I should be happy because it's theme city here.
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Related

Best battery saving kernel?

Any one have ideas for battery saving kernels?
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Well... everyone is different, and all phones take each kernel different. It all depends in your usage and what things you're running. You have to try out different kernels and see. You can try SBC type kernels they work great on my phone. Give that a try. Search and look for kernels in the search box. Hope this helps
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kernel
might want to try netarchys kernels they are great....hes the best
Savaged Savaged Savaged!!
Savaged-zen is an amazing kernel, plus it has SBC which I love. Great battery life, quick. What more could you want?
I personally have good battery with the Tiamat kernel; sbc available if you want it.
OK...first post so here we go. Been using the destroyer rom and the latest sav-zen kernal (v.0.2.0 cfs) for the last two days. My phone responds pretty smooth even being underclocked. The battery life is great compared to stock...yesterday with light-moderate use I was at 17 hours with 30% left. Today over 12 hours of light use but jumping in and out of roaming for about four hours and I'm at 64%. Great job to all the devs
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Sorry, forgot to mention its the SBC, gingerbread version of that kernal
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My setup in sig works well for me. Screenshots can be seen on my Facebook page linked in sig
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Whats the best gingerbread rom

If your going to say cm7 say why its better than the others
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lovespancakes96 said:
If your going to say cm7 say why its better than the others
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Cm7 cause the others are built from the same source and most of them all have a little cm7 in them anyways.
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Lol. Cm takes forever to start though.
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aimbdd said:
Lol. Cm takes forever to start though.
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huh ????????
aimbdd said:
Lol. Cm takes forever to start though.
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Not mine. Forgot to mention I only power my phone off only on Saturdays for no significant reason.
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dirkyd3rk said:
Not mine. Forgot to mention I only power my phone off only on Saturdays for no significant reason.
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LOL! I love this post....
Is salvage mod cm based?
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I like kings rom. It is fast and the battery life is great.
i would honestly say the best Gb rom is Savagemod1.1
I used savagemod 1.0 for the longest because, it was the most stable rom.
It has working: 4G and GPS, it's quick and snappy.
As a matter of fact I just flashed the 2.6 Savage kernel and I'm having the HARDEST time draining my battery. I've got 4g on, wifi on, blue tooth, wireless tethering, live wall papers, pandora, and the flash light on and it's literally taking forever to die. At the current rate, it's supposed to live for another 4 hours... >.<;; I want to kill it so that it can charge from the beginning, (rambling lol)
Yeah in the end. If you want a quick, reliable, and most of all stable rom. I'd go with SavageMod 1.1
I like to stick with the originators, the real og's in the game and thats cm.
TenderStew said:
i would honestly say the best Gb rom is Savagemod1.1
I used savagemod 1.0 for the longest because, it was the most stable rom.
It has working: 4G and GPS, it's quick and snappy.
As a matter of fact I just flashed the 2.6 Savage kernel and I'm having the HARDEST time draining my battery. I've got 4g on, wifi on, blue tooth, wireless tethering, live wall papers, pandora, and the flash light on and it's literally taking forever to die. At the current rate, it's supposed to live for another 4 hours... >.<;; I want to kill it so that it can charge from the beginning, (rambling lol)
Yeah in the end. If you want a quick, reliable, and most of all stable rom. I'd go with SavageMod 1.1
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+1 for salvage
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Why its better than the others.
Ok I had to be a prankster, I really don't have an opinion.
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k2buckley said:
Is salvage mod cm based?
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No. Its aosp based.
I'm currently on cm7 nightly 14. I picked it up and felt no reason to flash after that. What I love about it is the battery life, I'm always wondering how people pull off these ridiculous numbers, but I can get 30 hours of light usage with the clocking governor on conservative. It also has a bunch of awesome cyanogenmod settings specifically. These are awesome, I have gestures on my unlock screen to turn on torch and go to spring pad and such. It's fairly fast and smooth. I ran MIUI for months and loved it but it eventually started acting up and slowing down and I missed the android look. The only thing that takes trouble to work every time is gps. Oh btw wimax is blazing on this rom!
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Evo battery life....

Ok, I have an evo, running fresh gingerbread rom, and.....the battery still blows, i have tried most if the popular roms and was not impressed, i have set cpu as well, i dont see any change, im not really that good at this stuff so can somebody PLEASE hook me up with a method to make my phone last a day, roms, kernals, set cpu profiles, anything.....thank you all greatly
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If you are on 4g, wireless tether, playing roms, texting, and making calls, then don't expect the phone to last more than 5 hours.
First thing you need to do is start off with a fresh rom... pick your favorite so far.
Reboot
Install kernal (I like tiamat for AOSP or Netarchy for Sense but I suggest you try your own)
Reboot
Install undervolting script
Reboot
Open Google Talk>Settings>uncheck automatically log on then log off google talk
Install SetCpu
If you don't really game or anything then lower your voltages to 125 min 700ish max (you can be more aggressive if you want, but I wouldn't)
Charge phone to a 100%
reboot into recovery
wipe battery stats
Use your phone till it dies
Recharge
I think you will now have a strong phone that can last a good day depending on how you use it
If you still want to increase your battery life after all that
Lower brightness
lower the updating frequency of stocks, accounts, etc
make it a habit of turning off radios when not in use or install Juice defender
Create profile in SetCPU to lower CPU when screen off
All really good suggestions above...
but sometimes it could be just the battery it self... if all else doesn't work try another battery. The previous stock battery was horrible for me even after trying all the settings and etc. Once I got a new battery and did all the setting changes this thing is ready for anything.
What rom are you using? For the best battery life with a rom like cm7 I recommend using an SBC kernel from tiamat 4.0.2 SBC+ and give it a few days to settle in...then when your battery is low around 20% or less charge it for at least 4-6 hours while phone is sleeping..then turn off your phone while plugged in and charge for another hour..then unplug til green light goes off then plug in again til light goes green REPEAT 10 TIMES! then turn on phone while plugged in wait 2 minutes then unplug and battery is improved...do it every time you charge it from low %... this is for SBC kernels...also follow what the others said above me... I use an extended battery on conservative running it at 245 and 768 its been 12 hrs and I'm at 71% with moderate to heavy use...hope this helped
midget tossing is habit...2010 midwest regional champion... hw 001
Click the link in my signature for a good battery conditioning technique and if you want a quick way to reduce battery drain, turn DATA off, unless you need it.
Get tiamat sbc kernel with viperboys scripts
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wow, seems pretty involved, ill give this a shot, im running Fresh 4.0.0.4 rom now, is there another rom i should be using otherwise? i dont use the tether, i just do the youtube thing, facebook,email text and call, nothin to extensive
Try Evodecks 1.0 or 1.2c... Very nice and everything works on it... I'm using Tiamat 4.0.2 w/ sbc, its been 23 hrs and still at 59% thats moderate use though! But just search around and eventually you'll find something that suites your taste... MIUI is also a good rom! Just my 2 cents...
scottgalit61 said:
Try Evodecks 1.0 or 1.2c... Very nice and everything works on it... I'm using Tiamat 4.0.2 w/ sbc, its been 23 hrs and still at 59% thats moderate use though! But just search around and eventually you'll find something that suites your taste... MIUI is also a good rom! Just my 2 cents...
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Thank you sir, im gonna start checkin them out now
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It's not the ROM, you HAVE TO CONDITON YOUR BATTERY!!!
And get rid of SetCPU
HipKat said:
It's not the ROM, you HAVE TO CONDITON YOUR BATTERY!!!
And get rid of SetCPU
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Really, why should i dumo it? And how do i condition the battery
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frankie253 said:
Really, why should i dumo it? And how do i condition the battery
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Dump*
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KINGEVO R5
Netarchy 4.3.4 SBC havs more universal kernel
Juice defender ultimate (custom settings)
Turn off wifi limit
Unchecked auto brightness and set it to anything less than 50%
Turn off 4g
Use wifi if available
That's it. I would get a full day out of my battery with little phone lot of wifi usage. Text. Aim. Words with friends. FB.
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frankie253 said:
Really, why should i dumo it? And how do i condition the battery
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Dumo???????
Click the link in my signature
HipKat said:
Dumo???????
Click the link in my signature
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Dump......my bad
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im using cm nightly 80 tiamat 4.0.3 sbc kernal viperboy v1 -75 underclocked @ 537..runs smooth..battery life is great. im a heavy user,zynga,facebook,XDA,flash everything i can get my hands on lol..battery life doubled stock battery btw
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mfknboss said:
im using cm nightly 80 tiamat 4.0.3 sbc kernal viperboy v1 -75 underclocked @ 537..runs smooth..battery life is great. im a heavy user,zynga,facebook,XDA,flash everything i can get my hands on lol..battery life doubled stock battery btw
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Thank you, I'm probably gonna give cyanogen a go, I hear great things
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frankie253 said:
Thank you, I'm probably gonna give cyanogen a go, I hear great things
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I agree. On CM7, and I have 18hrs 29 and at 73%. Mild gaming...texts...some music.
teh roxxorz said:
I agree. On CM7, and I have 18hrs 29 and at 73%. Mild gaming...texts...some music.
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Wow!! That's impressive, I haven't gotten there yet but I def see I huge change, I just need to figure out this kernal thing, I'm using a savage zen kernal now and it seems pretty fast and the battery is alot better
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Battery epic fail

Ok so I have flashed a few roms and now my battery seems like its on a drain suicide mission. I used the same Rom for a week had great battery life with sinister Rom tried cm7 and flashed back to sinister for example my phone has been off the charger less than 10 minutes and its drained 11 percent already.
What's going on? It was so stable.
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Search the word battery calibration.
I found switching to sense and aosp a lot messes with the battery stats
cuda440 said:
Ok so I have flashed a few roms and now my battery seems like its on a drain suicide mission. I used the same Rom for a week had great battery life with sinister Rom tried cm7 and flashed back to sinister for example my phone has been off the charger less than 10 minutes and its drained 11 percent already.
What's going on? It was so stable.
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Thank you I'll try that I work in the oilfield my phone is my lifeline and the battery is an extension of that lol
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Oh man.yeah I could understand. If battery is that vital. I'd look into an extended battery.but if you need help feel free to pm me
cuda440 said:
Thank you I'll try that I work in the oilfield my phone is my lifeline and the battery is an extension of that lol
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Look for viperboys rom in e3d dev. There is battery calibration info in there that I just tried. It takes about 3 cycles to complete but worth it.
Support TrevE !
Well now I'm getting random reboots too I think I just might go to my first nandroid right after I rooted my phone and start over
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Evo and 4g. Why's it so hard?

Why is finding a decent Rom for the Evo4G with 4G so darn hard!!!!!
What makes the Evo/Android OS so hard to incorporate into Roms?
If their are any 2.3.5 + 4.67 +4 G Roms that are worth trying let me know!!!!!!!!!!
Thanks,
MikG 3.11, is definitely worth a try
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Ummm where have you been looking? Swagged out stock(any of them), team nocturnal stock or ics-ish. Diablos annihilator. All 4.67 and amazing. Plus, the classic by tommytomatoe should drop any day now and that will be ridiculous. I'm currently on SOS x ca1nes classic kernel and it is great. Here's the link http://forum.xda-developers.com/showthread.php?t=1536127
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Thank ya
thicklizard said:
MikG 3.11, is definitely worth a try
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Yeah... I'm running that right now. It seems to lag a bit (Window sliding and closing windows)
Thanks though
btbamzao said:
Ummm where have you been looking? Swagged out stock(any of them), team nocturnal stock or ics-ish. Diablos annihilator. All 4.67 and amazing. Plus, the classic by tommytomatoe should drop any day now and that will be ridiculous. I'm currently on SOS x ca1nes classic kernel and it is great.
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Team Noc's are all like half good and half bad.
Definitely gonna get tommys DL'd for a test ride.
And annihilator too
Thanks
I guess I might just be too picky.
_____________________________
I'm looking for a slick looking fast/smooth rom
/*
I'll probly end up build my own lil something
*/
I have been using Mangoed Chicken 7 from Tincandroid for a while. It is CM7 based and is QUICK. I also use 4G a LOT and it runs sweet for me.
http://forum.tincandroid.com
See ya'
OotR
Deck Rom 1.3d
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Nitrous seems pretty good. To be honest though, I do not have 4g in Phoenix so I have not gotten to experience it.
Quik/S\ilv said:
Yeah... I'm running that right now. It seems to lag a bit (Window sliding and closing windows)
Thanks though
Team Noc's are all like half good and half bad.
Definitely gonna get tommys DL'd for a test ride.
And annihilator too
Thanks
I guess I might just be too picky.
_____________________________
I'm looking for a slick looking fast/smooth rom
/*
I'll probly end up build my own lil something
*/
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I have zero lag are you using a custom kernel or setcpu? I am using anthrax right now but lionfish worked great too.
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Tommy tomato's rom has everything you want plus plenty of great themes
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thicklizard said:
I have zero lag are you using a custom kernel or setcpu? I am using anthrax right now but lionfish worked great too.
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Same here.using lionfish and no lag and mikg 3.11 is awesome.
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Thx
Thanks guys for all the help.
Im running MikGx3.1, omg does it kill my batt. It might last an hour and a half if I do nothing. From 100% turned off to turning it on I had 92% lol and 89% 10sec later.
I'll go down the list and try em all.
Quik/S\ilv said:
Thanks guys for all the help.
Im running MikGx3.1, omg does it kill my batt. It might last an hour and a half if I do nothing. From 100% turned off to turning it on I had 92% lol and 89% 10sec later.
I'll go down the list and try em all.
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This behavior happens due to the way in which batteries are charged. It happens on many ROMs and kernels for the 1st 10%. What is important is what happens after that. If you want to avoid it entirely the only sure-fire is to use an SBC kernel.
Skripka said:
This behavior happens due to the way in which batteries are charged. It happens on many ROMs and kernels for the 1st 10%. What is important is what happens after that. If you want to avoid it entirely the only sure-fire is to use an SBC kernel.
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I don't use SBC as I am worried about what could happen. I use an Anker 1700 battery and it doesn't drop like stock.
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dahauss said:
I don't use SBC as I am worried about what could happen. I use an Anker 1700 battery and it doesn't drop like stock.
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SBC doesn't do anything to any battery.
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Most AOSP roms and all sense 2.1 and lower roms have working 4g the only ones that don't have it working are ICS and sense 3.5 ports
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BigSmoke53 said:
SBC doesn't do anything to any battery.
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Isn't sbc trickle charge and there is always power being applied to egger battery? There must be a reason why cell phone manufactures don't already have this in there phone software.
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dahauss said:
Isn't sbc trickle charge and there is always power being applied to egger battery? There must be a reason why cell phone manufactures don't already have this in there phone software.
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Yeah, so you upgrade and buy a new one from them. People forget these companies are master money makers.
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BigSmoke53 said:
Yeah, so you upgrade and buy a new one from them. People forget these companies are master money makers.
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That makes you completely ignorant for making that statement. Yes it is harmful in the long run, and they don't include it because of that and the things that can happen to that battery that cam cause the user harm.
try swagstr SOS X, it is my daily driver and doesn't eat the battery up on mine.. You may also want to download a battery calibrator after flashing a new rom
lumbeendnking said:
try swagstr SOS X, it is my daily driver and doesn't eat the battery up on mine.. You may also want to download a battery calibrator after flashing a new rom
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Google developers have said that battery calibration applications do absolutely nothing to improve battery life. If you would like to challenge them, be my guest.

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