My new battery is Poor

[Voik]

My new battery doesn't work for full capacity (half capacity only).
Maybe it has bugs in firmware?

My laptop is Lenovo T61. I ran the battery gauge reset many times.
Nothing helped.

Battery details:
Full charge capacity: 38.23 Wh (??? why ??? -> 71.28 Wh is full charge)
Cycle count: 25 (was 5 at the first)
Manufacturer name: LGC
Manufacture Date: 2013-03-19
First Use Date: 2010-06 (??? why ??? -> 2013 now)
Serial number: 5508
Bar-code number: 1ZFBM04N2VH
FRU part number: 42T4648 (??? why ??? -> for ThinkPad X200, X220 but not T60, T61)
Device chemistry: Li-Ion
Design Capacity: 71.28 Wh
Design Voltage: 10.80 V
Firmware version: -

How to fix it?

[ZaZ]

Take or send it back and get your money.