4Pcs EN-EL23 EN EL23 3.8V 2000mAh Rechargeable Li-ion Batteries For Nikon COOLPIX S810c P900 P900s P610 P600 B700 Camera Battery - AliExpress
Amazon.com : Synergy Digital Camera Battery, Works with Nikon Coolpix 8700 Digital Camera, (li-ion, 7.4V, 850 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL1 Battery : Electronics