TPE High Capacity Laptop Replacement Battery for Acer BTP-AMJ1, BTP-ANJ1, BTP-AOJ1, BTP-APJ1, BTP-AQJ1, BTP-ARJ1, BTP-AS3620, BTP-ASJ1, BTP-B2J1, GARDA31, GARDA32, Aspire 2420 2920 2920-1A2G25Mi - 12 Month Warranty [11.1V 7800mAh 87WH] 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. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.