1, Specification:
Battery type: Li-ion
Voltage: 11.1V (Compatible with 10.8V)
Capacity: 7800mAh
Cell: 9 Cells
recharge cycles: 500
Operation time: Around 3-4 hours

2, Compatible Models:
GATEWAY NV Series, Gateway NV49 / NV59 Series, E-Machines eMachines E640G, ACER Aspire 4000

SERIES, Aspire 4551 Series, Aspire 4551G Series, Aspire 4771G Series, Aspire 4741 Series,

Aspire 4771 Series, ACER Aspire 5000 SERIES, Aspire 5741 Series, ACER 5742,ACER 7741.

3, Compatible Part Numbers:
AS10D41, AS10D31, AS10D3E, AS10D61, AS10D71, 31CR19/65-2, 31CR19/652, BT.00607.125 BT.00603.111

BT.00606.008 BT.00607.127, AS10D31, AS10D3E, AS10D41, AS10D51, AS10D61, AS10D71, AS10D75