CASIO Exilim EX-Z800 Digital Camera, Charger, and 3.7V 700mAh Battery. | eBay
Casio/Phonemate PMP3850-PLUGIN Cordless Phone Battery Ni-MH 1X3AAA/J, 3.6 Volt, 700 mAh - Ultra Hi-Capacity - Replacement for Rechargeable Battery" - Walmart.com
Amazon.com : Synergy Digital Camera Battery, Works with Casio Exilim EX-S770 Digital Camera, (li-ion, 3.7V, 630 mAh) Ultra Hi-Capacity Battery : Electronics
NP-20 3.7V 700mAh Lithium Battery for CASIO Camera Exilim EX-10HD Card EX-S880RD - Black
NP-20 3.7V 700mAh Lithium Battery for CASIO Camera Exilim EX-10HD Card EX-S880RD -