CWK New Replacement Laptop Notebook Battery for Acer AS10B73 AS10B41 AS10B31 AS10B51 AS10B3E AS10B5E AS10B7E AS10E76 Acer Aspire 4745G 4820GT 4820T 4820TG 5820T 5820TG 3820 3820TG 3820G Acer Aspire 5625 5625G 5745P 5745PG 5820 5820G 7250 7250G 7739 7739G Acer Aspire 5745G 5745DG 5745 7745 7745g 7745AS 3820TZ 3820T AS10B75 Acer Aspire 7739Z 7745Z AS3820T AS3820TG AS3820TZ AS5745P AS5745PG Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!