Amazon.com : Synergy Digital Camera Battery, Compatible with Nikon Coolpix P500 Digital Camera, (li-ion, 3.7V, 1100 mAh) Ultra High Capacity, Replacement for Nikon EN-EL5 Battery : Electronics
BM Premium 2 Pack of EN-EL5 Batteries for Nikon Coolpix P80, P90, P100 – Big Mike's Electronics
Nikon Coolpix P500 DNI004 1100 mAh Digital Camera Battery - BattDepot United States
Amazon.com : BM Premium 2-Pack of EN-EL5 Batteries and Battery Charger for Nikon Coolpix P80, P90, P100, P500, P510, P520, P530 Digital Camera : Electronics