Hipower Laptop Battery For Acer Aspire Timelinex 3830T, 3830TG, 4830T, 4830TG, 5830T, 5830TG, BT.00603.126, AS11A3E, AS11A5E, 3ICR19/66-2, AS3830T-6870, AS3830T-6492, AS3830TG-6431, 3830TG-6634, 4830TG-6808, AS4830TG-6450, AS4830T-6678, AS5830TG-6402, AS5830TG-6642, AS5830TG-6782, AS5830T-6862 Laptop Notebook Computers (66WH) Cells: 6 Cells Volts: 11.1V Capacity: 6000mAh; 66Wh Type: Internal System Battery. Installation will require more than just snap-in. Please consult your computer manufacturer service manual to determine the proper installation procedure.