Specification:
Battery Type: Li-ion,  Volts: 11.1V,  Capacity: 4400mAh

Compatible Part Number:
BATEFL50L6C40, BATEFL50L6C48, 3UR18650Y-2-QC261, BATEFL50L9C72, BT.00603.006, BT.00603.010, BT.00604.001, BT.00604.004, BT.00604.012, BT.00903.007, LC.BTP00.002, LC.BTP01.006, LIP6220QUPC SY6

Fit Models:
ACER
Acer Asprie 3050 Series
Aspire 3054WXCi

Acer Aspire 3600 Series

Acer Asprie 3680 Series
Asprie 3682WXMi,, Aspire 3682NWXC, Aspire 3683WXMi, Aspire 3684NWXMi, Aspire 3684WXCi

Acer Asprie 5050 Series
Aspire 5051ANWXMi, Aspire 5051AWXC, Aspire 5051AWXMi, Aspire 5052ANWXMi
Aspire 5052NWXMi, Aspire 5053NWXMi, Aspire 5053WXMi

Acer Aspire 5500 Series

Acer Asprie 5570 Series
Aspire 5570AWXC, Aspire 5572AWXMi, Aspire 5573ZWXMi, Aspire 5575ZNWXMi

Acer Asprie 5580 Series
Aspire 5583NWXMi, Aspire 5583WXMi, Aspire 5584WXMi, Aspire 5585WXMi

Acer TravelMate 2400 Series
TravelMate 2480-2196, TravelMate 2480-2698, TravelMate 2480-2968

Acer TravelMate 2480 Series
TravelMate 2482WXMi, TravelMate 2483WXMi, TravelMate 2484WXMi

Acer TravelMate 3240 Series
TravelMate 3242NWXMi

Acer TravelMate 3260 Series
TravelMate 3260WXMi, TravelMate 3261AWXM, TravelMate 3262
TravelMate 3262WXMi, TravelMate 3270-6569

Acer TravelMate 3270 Series
TravelMate 3273WXMi, TravelMate 3274WXMi