Amazon.com: Dual Battery Charger for Nikon EN-EL18, EN-EL18a, EN-EL18b, EN- EL18c, EN-EL18d, EN-EL18e Battery (Auto Shut-Off Unless at Least One Battery is Being Charged) : Electronics
Nikon EN-EL18c Rechargeable Lithium-Ion Battery (10.8V, 2500mAh) – Auckland Camera Centre