Wasabi Power Battery (2-Pack) and Charger for Casio NP-40 - Walmart.com
Casio NP-40 Battery for EXILIM Cameras (pp) | eBay
1pc 1800mah Np-40 Cnp40 Np40 Digital Camera Battery For Casio Ex-z30/z40/z50/z55/z57/z750 Ex-p505/p600/p700 Pm200 Battery - Digital Batteries - AliExpress