CSE&reg; New Laptop Battery for Lenovo 3000 G400 14001, 3000 G400 2048, 3000 G400 Series, 3000 G410 2049, 3000 G410 3000 G410,3000 Laptop Notebook Computer [Li-ion 11.1V 58Wh 5200mAh 6 cells] - 12 Months Warranty Battery type: Li-ion; Capacity: 5200mAh/58WH; Cells: 6-cell; Voltage: 11.1V. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support,12-month hassle-free warranty. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time: Operation time for standard batteries(6-cell, 4400mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.