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
Amazon.com : Kastar NP-20 / NP20 Battery Charger Compatible with Cas Exilim EX Series Cas Exilim NP-20 NP20 Battery for Exilim EX-M1, EX-M2, EX-M20, EX-S1, EX-S2, EX-S3, EX-S20, EX-S10 : Digital Camera
NP-20 BATTERY PACK F/CASIO - Walmart.com
Battery Casio NP-20 - Patona
3 NP20 BATTERIES AND 2Chargers for Casio NP-20, USED BUT WORKING W/ 12 VOLT ADAP | eBay
Amazon.com: XUNNENG Replacement Battery Part No.NP-20 for Casio Exilim Card EX-S880, Casio Exilim Card EX-S880BK, Casio Exilim Card EX-S880RD, Lithium-Ion Camera Battery : Electronics
Yuasa NP20-12 12V 18Ah Sealed Lead Acid Replacement Battery: BatteryClerk.com