4Pcs EN EL5 EN EL5 Digital Camera Battery for Nikon Coolpix P510 P520 5200 P4 P80 P90 P100 P500 P530 P5000 P5100 7900 P6000 3700|Digital Batteries| - AliExpress
Portable Emergency AA Battery Charger Extender suitable for the Nikon Coolpix P510 / P520 - with Gomadic Brand TipExchange Technology
Amazon.com : Synergy Digital Camera Battery, Works with Nikon Coolpix P510 Digital Camera, (li-ion, 3.7V, 1100 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL5 Battery : Electronics