Portable Emergency AA Battery Charger Extender suitable for the Nikon Coolpix P510 / P520 - with Gomadic Brand TipExchange Technology
NeweggBusiness - bm premium 2pack of enel5 batteries and usb dual battery charger for nikon coolpix p80, p90, p100, p500, p510, p520, p530 digital camera
Nikon Coolpix P510 Review | Photography Blog
BM Premium EN-EL5 Battery Charger for Nikon Coolpix P80, P90, P100, P500, P510, P520, P530 Digital Camera - Newegg.com
Battery Charger for Nikon Coolpix P500, P510, P520, P530, P5000, P5100, P6000 Digital Camera|Camera Charger| - AliExpress
2x Pack - Nikon Coolpix P510 Battery + Charger with Car & EU Adapters - Replacement for Nikon EN-EL5 Digital Camera Battery and Charger (1400mAh, 3.7V, Lithium-Ion) - Walmart.com