Casio NP-60 Camera battery replaces original battery (camera) NP-60 3.7 V 720 mAh | Conrad.com
Digital Video Battery Replace Casio NP-60 for Casio Exilim EX-S10 and More (3.7v, 720 mAh): Amazon.co.uk: Electronics & Photo
3.7V 1200mAh Lithium-Ion Battery Pack Np-60 Cnp-60 for Casio Exilim Ex-S10 Ex-Z80 Ex-Z9 - China Digital Battery and Digital Camcorder Battery price | Made-in-China.com