CWK&reg; New Replacement Laptop Notebook Battery for Acer Aspire 5315-2142 7540-1284 7736z-4088 Acer Gateway AS07B42 AS07B51 AS07BX1 AS07BX2 AS07B52 AS07B71 AS07B72 Gateway NV78 AS07B72 NV79 AS07B71 Acer Aspire 5920G 5710Z AS07B41 Gateway NV79 NV7316U NV73 NV7802U NV78 NV74 Acer Aspire AS07B42 5320 6935 AS07B51 5720z AS07B31 AS07B61 AS07B71 AS07B41 AS07B51 AS07B31 5230 AS07B32 AS07B41 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8, 14.8, 14.4 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!