Acer Aspire One 725 battery  AL12A31 AL12B72 KT.00407.002 AL12B31 AL12X32 AK.004BT.098

Li-ion battery  11.1V 4400mAh

Can compatible with the following part number:

4ICR17/65 AL12B32 KT.00403.004 
AL12A31 AL12B72 KT.00407.002 
AL12B31 AL12X32 AK.004BT.098 

Can work for the following models:

Acer Chromebook Acer Aspire One 725 Series (cont.)  Acer Aspire V5-171 Series Acer TravelMate B113 Series (cont.) 
AC710 AO725-0802 V5-171-53314G50ass B113M-23774G50akk 
Acer Aspire One 725 Series AO725-0825 V5-171-32364G32 B113-M-53314G50akk 
725-0635 Acer Aspire One 756 Series V5-171-32362G50ass B113-E-2839 
725-C61 AO756-B2bb V5-171-32364G50ass B113-E-4470 
725-C61KK AO756-967B V5-171-6616 B113-M-6460 
AO725-0688 AO756-877BCrr V5-171-6860 TMB113-E-4470 
AO725-0899 AO756-B8772G32N V5-171-6681 TMB113-M-6460 
AO725-C61bb AO756-B8471G25N V5-171-6867 B113-E-967B4G32akk 
AO725-C61kk AO756-2420 V5-171-6862 B113E-967B4G50 
725-C62kk AO756-2623 Acer TravelMate B113 Series B113-E-967B4G50ik 
725-C6Ckk AO756-2808 B113-M-6606 B113-E-967B2G50akk 
725-C62BB AO756-2899 B113-M-6681 B113-E-877B2G32akk 
AO725-0412 AO756-4854 B113-M-6460 B113-E-877B2G32akk 
AO725-0488 AO756-B2ss B113-M-323a2G50ak B113-E-877B4G32IKK 
AO725-0635 AO756-877B B113-M-323a4G32ik Gateway One 
AO725-0638 AO756-877B1bb B113-M-323a4G50akk ZX4260 
AO725-0688 AO756-877B1kk B113-M-323a4G50ikk 
AO756-877B2 AO756-877B2kk AO756-B2kk