Extended slim battery

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So I have read through all the old threads about the extended batteries people have tried. Unfortunately most of the threads are almost a year old. If you have purchased an extended battery, what have been your results over the long run. Since I will be keeping my Shift for a long time, maybe it is time to try a new battery. Yes I am rooted and running Supreme, but with the amount of calls and emails I do daily, I can chew through a battery in 6 hours some days. Thanks for any input.

I bought a few a while back that so far have been great. I'll try and remember, or find out who I bought them from. I do remember it was off Amazon.

EDIT: But I do remember seeing that the 3500mah Batts have come down a lot in price.

TEAM MiK
MikROMs Since 3/13/11

I got a chichitec evo replacement battery from htcexpress.com (fits the shift, just "backwards" ... supposedly 1900 mAh) and it lasts pretty well for me. With light usage i can go about a day and a half or so on a charge. Heavy usage i get closer to 10-12 hours or so. Been working for me. I don't have any experience with the 3500 mAh batteries that need the replacement battery door though.

Yes the 3500mah Batteries need a different door. But I've run across them as cheap as $13 with the door included, and shipped. For that price I'm might give it a shot.

TEAM MiK
MikROMs Since 3/13/11

The only reason I haven't gone the 3500 mAh route is that I've already bought a case and holster and I'd like to keep using what I have. I also typically get at least 14 hours or so per charge off of my current settings/usage so I don't see the need for the extra bulk.

Worst case scenario, I have another battery that I got the same time, along with the cradle charger and my stock Shift battery so a little battery swapping and I'm good as new. Speaking of which, I might give my current battery a rest ...

I bought a 2400mAh 8.9Wh 3.7v battery from radio shack with these results:

I'm currently running SS9.2.1, overclocked to 1.5/245 w/ performance governor and I/O scheduler noop. With HEAVY use it will stay above 30% at 5:00 pm, I generally unplug it around 8 am.

If I turn the OC down to default of 800/245 it will normally stay above 50% by 8:00 at night. 90% of my phone use is between 8:30 and 5:00.

What drains mine the most if wifi tether.

Do you have a link to the battery?

TEAM MiK
MikROMs Since 3/13/11

Originally Posted by deerkiller11

I bought a 2400mAh 8.9Wh 3.7v battery from radio shack ...

Is this a slim battery, or a larger battery that needs the extra door?

I want to know also. Although my current battery works great. I always like having the extra juice.

TEAM MiK
MikROMs Since 3/13/11

Originally Posted by deerkiller11

I bought a 2400mAh 8.9Wh 3.7v battery from radio shack with these results:

I'm currently running SS9.2.1, overclocked to 1.5/245 w/ performance governor and I/O scheduler noop. With HEAVY use it will stay above 30% at 5:00 pm, I generally unplug it around 8 am.

If I turn the OC down to default of 800/245 it will normally stay above 50% by 8:00 at night. 90% of my phone use is between 8:30 and 5:00.

What drains mine the most if wifi tether.

The only one I could find on the Radio Shack website that matched your description is THIS ONE. Since the HTC Incredible and the EVO Shift use the same battery. I'm assuming that is the one your talking about. It looks a little thick, does it actually fit under your Stock Back Cover?