Aspire Laptop Battery Notebook battery 3810T 6C: Voltage:11.1V Capacity:4400mAh Cell:6cell Color:BLACK Size:269.9*42.8*21mm Weight:319.7g Part NO.: AS09D31 / AS09D34 / AS09D36 / AS09D56 / AS09D70 / AS09F34 / LC.BTP00.052