Bargaincell- Brand New Premium Lithium Ion Replacement Battery NP-40, NP40 for Casio Digital Camera Exilim EX-Z30, EX-Z40, EX-Z500, EX-Z850 Pro EX-P505, Pro EX-P600, Pro EX-P700, Zoom EX-Z50, Zoom EX-Z55, Zoom EX-Z57, Zoom EX-Z750