2x Pack - Fujifilm NP-40N Battery - Replacement for Fujifilm NP-40 Digital Camera Battery (750mAh, 3.7V, Lithium-Ion) - Walmart.com
Sony NP-40N Replacement Battery Lithium-Ion(1300 mAh) - Replacement for Casio NP-40 Battery - Walmart.com
1pc 1800mah Np-40 Cnp40 Np40 Digital Camera Battery For Casio Ex-z30/z40/z50/z55/z57/z750 Ex-p505/p600/p700 Pm200 Battery - Digital Batteries - AliExpress
Battery Pack for Fujifilm NP40, NP 40, NP 40N and FinePix F402, F403, F420, F455, F460, F470, F480, F610, F650 Digital Camera|Digital Batteries| - AliExpress
Amazon.com : UltraPro NP-40 Rechargeable 1300mAh High-Capacity Replacement Battery with Rapid Travel Charger for Select Casio Digital Cameras Including EX-Z850 EX-Z1000 EX-Z1050 EX-Z1080 EX-Z1200 : Digital Camera Batteries : Electronics