CWK 7800mAh 9 Cell New High Capacity Battery for Acer Aspire 5560-SB609 5560-SB653 5560-SB835 Gateway NV77H Series NV77H03h NV77H19u NV77H21u NV77H05u Acer Aspire 5750G 5750TG 5750Z 5750ZG 5755 Series Gateway NV59C05M-MX NV59C69U NV59C70U NV77H23u NE46R05M NE56R02H NE56R03H NV52L06U NV52L08U Acer Aspire AS7750Z-4623 BT.00405.013 BT.00603.111 BT.00603.124 6Cel As7750G-9657 As7750Z-4623 as4750Z 6C Acer Aspire 4551G 4771 5551 4771G 5741 4741 31CR19 AS10D31 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 7800mAh (Better than 6600mAh) 90 Day Money Back. Buy with confidence!