The high-capacity Casio NP-20 rechargeable lithium-ion battery works for Casio Exilim EX-M1, EX-M2, EX-M20U, EX-S1, EX-S100, EX-S2, EX-S20U, EX-S3, EX-S500, EX-Z3 and EX-Z4U digital cameras. It features lithium technology, which ensures maximum battery life and maximum power. It also features no memory effect that lets you recharge partially drained batteries without reducing performance.
