Kastar Battery (4-Pack) for Casio NP-40 and Casio Exilim EX-Z850 EX-Z750 EX-Z65 EX-Z57 EX-Z55 EX-Z500 EX-Z50 EX-Z40 EX-Z300 Series EX-Z30 EX-Z1050 Series EX-P700 EX-P600 EX-P505 EX-FC100 BenQ DC P500 Kastar Brand Replacement Lithium-ion (Li-ion) Battery. High Quality, Long Lasting and Manufacture Price. The Battery 100% decoded and 100% Compatible with the Original Cameras and Chargers. High Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Use Integrated Japanese microchip which can prevent the overcharge and overdischarge. The Battery Include 30-DAY Money Back and 3-YEAR Manufacturer Warranty.