SPECIFICATION: Model Name: 62Wh Standard Rechargeable Li-ion Battery Type 6MT4T; Battery Type: Li-polymer; Voltage: 7.6V; Capacity: 62Wh; Cells: A+ 4-cells; Battery life: Around 300-500 recharge cycles; Battery size: about 9.17x3.73x0.27inch; Weight: about 11oz / 0.69lb; Condition: 100% New. REPLACE BATTERY PART: 7.6V 62Wh 6MT4T battery fit 6MT4T 7V69Y TXF9M 79VRK HK6DV 07V69Y 079VRK 0TXF9M. (please open your laptop back case and check your original batterys part number/Wh/shape/size/to make sure you purchase the correct replacement battery!)