Amazon.com : Synergy Digital SDNP20 Lithium-Ion Battery - Rechargeable Ultra High Capacity (3.7V 630 mAh) - Replacement for Casio NP-20 Battery for Casio Exilim EX-M1, EX-M2, EX-S1, EX-S1 PM, EX-S100 : Electronics
Kastar Battery Replacement for Cas NP20 Exilim EX-M1 EX-M2 EX-S1 EX-S2 EX-
Battery and Charger for Casio NP-20 NP20 and Exilim EX-Z60,EX-Z70, EX-Z75,EX-Z77,EX-S500,EX-S600,EX-S770,EX-S880 Digital Camera - AliExpress Consumer Electronics
3 Genuine CASIO NP-20 Battery for EXILIM Cameras 3.7V 700 mAh | eBay
Amazon.com : Synergy Digital SDNP20 Lithium-Ion Battery - Rechargeable Ultra High Capacity (3.7V 630 mAh) - Replacement for Casio NP-20 Battery for Casio Exilim EX-M1, EX-M2, EX-S1, EX-S1 PM, EX-S100 : Electronics
3 Genuine CASIO NP-20 Battery for EXILIM Cameras 3.7V 700 mAh | eBay