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
Bonadget EN EL5 Digital Camera Battery+USB Charger For Nikon Coolpix P4 PS30 P80 P90 P100 P500 P510 P520 P530 P5000 P5100 P6000|Digital Batteries| - AliExpress
Nikon Coolpix P500 DNI004 1100 mAh Digital Camera Battery - BattDepot United States
Nikon CoolPix P500 Battery
Nikon EN-EL5 Battery (2-Pack) by Wasabi Power
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
Powerextra 2 x EN-EL5 Replacement Nikon Battery Compatible with Nikon CoolPix 3700, 4200, 5200, 5900,