Low Battery Capacity (Wh)

[Brian10161]

Hey guys, I haven't posted in a while, but that just goes to show you how reliable these little computers are I guess.

Anyway, I bought a brand new battery a while back, and it's a genuine Lenovo. I plugged it in and it said that it was never used (0 Cycle count) and it was about 8 or 9 months old. I have so far put about 9 charge cycles on it, and the battery capacity has decreased by quite a bit. design is 27Wh and current is about 23Wh. The battery seems to last about 2.5 hours or so. My original 8 cell is 6 years old and is at roughly 50% capacity and seems to last a lot longer, 4 hours or so.

I am mainly wondering if it's worth doing a battery recalibration on this one or if I should just leave it alone. Plus, I'm just wondering what you all think.

Thanks!

[craigmontHunter]

I would do a recalibration, it should not deteriorate that fast. On my T61, with a newer battery (more cycles), I had lost a fair bit of capacity, and it brought it back. (I am now above the design capacity ). It cannot hurt anything by doing a recalibration, and that should help your capacity.

[Brian10161]

The recalibration is not even done, and it's already back up to 27Wh. Go figure lol

Thanks for the reply.

[dr_st]

There is always some inaccuracy with the gauge. Jumping within 4Wh is normal even between consecutive charge-discharge cycles. The actual capacity is somewhere in between.

[Brian10161]

Yeah, I haven't had a laptop that reports that information due to not having the software to do so. So, I don't know what is normal. The battery seems to be fine though, it's lasting a little longer now which is nice.