Amazon.com : Synergy Digital Camera Battery, Works with Nikon Coolpix P500 Digital Camera, (li-ion, 3.7V, 1100 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL5 Battery : Electronics
Nikon Coolpix P510 - iFixit
1piece En-el5 Batteries Enel5 En El5 Li-ion Battery For Nikon Coolpix P510 P530 3700 4200 5200 5900 S10 P4 P3 Camera - Digital Batteries - AliExpress
Amazon.com : 2x Pack - Nikon EN-EL5 Digital Camera Battery and Charger Replacement with Car & EU Adapter (1400mAh, 3.7V, Lithium-Ion) - Compatible with Nikon Coolpix P520, Coolpix P510, Coolpix P500, Coolpix