Kastar 2-Pack Battery and LTD2 USB Charger Replacement for Olympus LI-20B, Olympus AZ-1, AZ-2 Zoom, Ferrari Digital Model 2004, Casio NP-30 NP-30DBA BC-20, CASIO QV-R3 QV-R4 - Walmart.com
Rechargeable Lithium-ion Battery Pack for Casio NP-30, NP30 and Casio QV-R3, QVR3, QV-R4, QVR4 Digital Camera
Battery Charger For Casio NP-30 NP-30DBA BC-20 QV-R3 QV-R4 Brand New | eBay
Np-30 Np30 Np-30dba Np30da Li-ion Rechargeable Digital Camera Battery For Casio Qv-r3, Qvr3, R3, Qv-r4, Qvr4, R4 - Rechargeable Batteries - AliExpress
Amazon.com : SDNP30 Lithium-Ion Rechargeable Battery - Ultra High Capacity (3.7V 700 mAh) - Replacement for Fuji NP-30 Battery for Fujifilm FinePix F440, F450, F455 : Electronics