Batterymarket New 11.1V 3600mAh OT06XL Replacement Battery Compatible with HP 2710P AH547AA, BS556AA, HSTNN-CB45, HSTNN-OB45, HSTNN-XB4X, NBP6B17B1, 436426-311, 436426-351, 454668-001, 593592-001 Voltage(V): 11.1. Capacity(mAh): 3600 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support,12-month hassle-free warranty. 30Days money retum guarantee