Amazon.com : Smart Slim USB Battery Charger for Nikon D500, D600, D610, D750 Digital SLR Camera : Electronics
Nikon EN-EL18 Bundle (Battery, Charger, Chamber Cover) by Wasabi Power
Amazon.com : Kastar Digital Camera Battery Charger with Car and EU Adapter Replacement for Nikon EN-EL15 EN-EL15a MH-25 and Nikon D7000 D7100 D7200 D7500 1 V1 D500 D600 D610 D750 D800 D800E