TPE High Performance [Li-ion 9-cell 7800mAh 87WH] Laptop Battery for Lenovo (IBM) ThinkPad X200 X200S X201 X201I Series - 12 Months Warranty Battery type: Li-ion; Capacity: 7800mAh 87WH; Cells: 9-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. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability.12 Month Warranty.