Nitecore UNK1 USB Dual Slot Battery Charger For Nikon EN-EL14/EN-EL14a/EN-EL15 | eBay
Amazon.com: EP-5A USB Power AC Adapter Replacement Kit for Nikon EN-EL14/ EN -EL14a Battery, for Df DSLR D3100, D3200, D3300, D5100, D5200, D5300, D5500, Coolpix P7000, P7100, P7700, D7800 Digital Cameras : Electronics