Battery Type:Li-ion Capacity:8.55AH/87WH Voltage:10.65V. High quality built-in circuit protection board guarantee durable usage and safety. More than 500 recharge cycles for the life of the battery. Replace Part Numbers: CF-VZSU46 CF-VZSU46AU CF-VZSU46U CF-VZSU46S CF-VZSU46R CF-VZSU71U CF-VZSU72U CF-VZSU1430U Replacement For Laptop Model: Panasonic Toughbook CF-30 SeriesCF-31 SeriesCF-53 Series Battery products have passed CE/FCC/ROHS certification to guarantee safety. Good performance A++ cells ensure fast charges and low power consumption. After-Sales Guarantee24 months warranty, replace a new battery for free if any quality problem. Please contact us on Message if any question, you will get a reply within 24 hours.