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Help Everyone with extended batteries 3500mAh+

Anybody with ANY of these new batteries having any random reboot issues??? Just asking. Thanks
No. I had it reboot once and then thought the batt was dead(had low power here and was using the phone on 3g/cell quite a bit), but it seemed to turn out that the batt was a bit loose and has lost contact temporarily with the pins(reboot) and then completely(dead seeming).

I discovered that when I hooked it up to charge but nothing happened, so I removed the back cover and the batt just fell out. I put it back in making sure that it was nicely seated, re-did the back cover making sure that all edges/corners were firmly in place and I haven't had any problems since then.

I did have a case of constant rebooting with the stock batt one evening, in fact the one before I received my Anker 3500mah, but the next morning with the stock batt it was behaving itself so I suspect Sprint screwing with their network, apparently trying to make it worse(if that's possible -- 1 get 56k in "3G" and Wimax ends a few miles N of me but from a pcmag article the whole metro area has pokey speeds even wimax, T-mo is like 300x the data rate) in my metro area.

Anyways, into my second full charge, been running still as before 3g/cell always left on now, light usage, stock fw @25% charge and c. 4d since charging. I did use quite a bit of wifi/3g one day and ended up with batt temp warnings although it could've been due to a few apps that I dled to test out might've been trying to suck massive ads across godawful slow 3g. (I took the lazy way out, rebooted it and let it sit in AC for a while, then it was a happy camper again.)

i.e. AFAIC the batt works as advertised. Whether or not it's actually 3500mah, I don't know, but for the price and the time between charges that I can get I'm happy, but I'll probably also try the 1900mah + external charger so that I can use OEM accessories that I picked up, car mount, dock, etc.
 
Looks like a terrible backplate.
Late but oh well. It looks identical to the Anker back cover.

And no, if you read above you CANNOT use OEM accessories with the extended back covers, not even the Anker style one(just large around batt area). I had the OEM car mount kit and dock and it will NOT fit either w/o modifications.

IIRC leslieann mentioned that Innocell(the 4000mah batt one) had a dock too that had a shim or something to accomodate the larger back covers, and some 3rrd party "universal" car mounts might worth with the extended back cover as well. As to cases I think that you're out of luck... debating on whether I should just drop to their 1900mah(fits w/stock back cover) as the 3500mah is giving me WAY more batt runtime than I really need and since I have the stock accessories it's be nice if I could use them, just IF the 1900mah could give me 2d of light usage and being able to leave cell/data/etc. on.
 
Is there any way to get an extended battery life without having to get a big, thick battery? I don't think I quite need twenty hours of heavy use battery life....maybe half that.

Would an 1800mAh do it for me? Would 2000mAh be better? At what point do they start becoming too thick to use in the phone without replacing the back?
 
Is there any way to get an extended battery life without having to get a big, thick battery? I don't think I quite need twenty hours of heavy use battery life....maybe half that.
1900mah batt discussion here:
http://androidforums.com/htc-evo-v-4g/571728-1900mah-batteries.html
...about the same size as the stock batt, so the regular back cover fits.

I'm thinking of ordering the 1900mah batt + charger combo for c. $20, just to see what kind of batt life I can get with that so I can use my OEM accessories. If I can get 2d I'll be happy and probably order a second to keep charged as a backup in the event of heavy usage.

I'll miss the 3500mah batt runtime, but I'm thinking that I'd like to use my stock accessories more than the batt runtime....
 
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