Casio NP-20 Lithium-ion Battery (3.7v 630mAh) for Exilim Series Digital Cameras

The 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. As well as some newer models. 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.