9-Cell 7800mAh Replacement Laptop Battery for Acer UM08A74 (White) COMPAQ More information:- Type: UM08A72/UM08B74/UM08A71/ ... , UM08B31, UM08B32, UM08B71- Capacity: 7800 mAh- Voltage: 11.1 V- Battery Type: Li-ion- Color: White Dimensions: 7.91 in x ... , UM08B32, UM08B71- Capacity: 7800 mAh- Voltage: 11.1 V- Battery Type: Li-ion- Color: White 9-Cell 6600mAh Laptop Battery for Acer UM08A74