ZTHY Compatible 7800mAh CF-VZSU46S Battery Replacement for Panasonic Toughbook Cf-30 Cf-31 Cf-53 Laptop Cf-vzsu46au Cf-vzsu71u Cf-vzsu72u Cf-vzsu1430u CF-VZSU46 CF-VZSU46U 11.1V 9CELL Battery typeLi-ion.Color:Gray. Voltage:11.1V. Capacity:7800mAh / 9-Cell. New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part NumberCF-VZSU46S Cf-vzsu46au Cf-vzsu71u Cf-vzsu72u Cf-vzsu1430u CF-VZSU46 CF-VZSU46U Compatible ModelsPanasonic Toughbook Cf-30 Cf-31 Cf-53 Series Laptop SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return PolicyRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.