Acer 5235/5635 Laptop Battery

Device Type: Replacement Laptop Battery (Li-ion)
Voltage: 11.1V (also listed as 10.8V by some vendors)
Capacity: 4400mAh (49Wh), with 5200mAh/5600mAh variants available from some brands
Cell Count: 6 Cells
Color: Black
Compatible Models: Acer Extensa 5235, 5235G, 5235Z, 5635, 5635G, 5635Z, 5635ZG; also compatible with eMachines E528/E728, Gateway NV40/NV44/NV48 series, and Packard Bell EasyNote NJ31/NJ32/NJ65/NJ66
Compatible Part Numbers: AS09C31, AS09C70, AS09C71, AS09C75, BT.00603.078, BT.00603.123, BT.00607.072, BT.00607.073
Key Specs: Acer Extensa Replacement Battery, 11.1V 4400mAh, 6-Cell Li-ion, AS09C31/AS09C71 Compatible, Direct Replacement, Overcharge/Overheat/Short-Circuit Protection
Usage: Restoring Runtime for Acer Extensa 5235/5635 Series Laptops, Replacement for Worn-Out Original Batteries, Spare/Travel Battery