Amazon.com: AC Power in Camera Adapter Battery Charger + USB PC Cord for Nikon Coolpix P520 : Electronics
EN-EL5 Battery& Slim USB Charger for Nikon Coolpix P520 P530 P5000 P5100 P6000 | eBay
BM Premium 2 Pack of EN-EL5 Batteries and Battery Charger for Nikon Co – Big Mike's Electronics
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Amazon.com: 2 Pack - Replacement for Nikon Coolpix P520 Battery + Charger with Car & EU Adapters - Compatible with Nikon EN-EL5 Digital Camera Battery and Charger (1400mAh 3.7V Lithium-Ion) : Electronics