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
1850mAh EN-EL23 Battery and Charger for Nikon COOLPIX B700 P900s P610s S810c P600 - AliExpress