Kastar 2x Battery for Casio NP-20 & Exilim EX-M1 EX-M2 EX-M20 EX-S1 EX-S2 EX-S3 EX-S20 EX-S100 EX-S500 EX-S600 EX-S770 EX-S880 EX-Z4 EX-Z5 EX-Z6 EX-Z7 EX-Z8 EX-Z11 EX-Z60 EX-Z65 EX-Z70 EX-Z75 EX-Z77 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.