The ProMaster Dually Charger - USB for Nikon EN-EL15, EN-EL15a, EN-EL15b, EN-EL15c batteries. This versatile charger is designed to power up your Nikon camera batteries quickly and conveniently, ensuring you never miss a perfect shot. The ProMaster Dually Charger features a dual charging design, allowing you to charge two EN-EL15, EN-EL15a, EN-EL15b, or EN-EL15c batteries simultaneously. With this charger, you can efficiently charge multiple batteries at once, saving you time and ensuring you always have fully charged batteries ready for your next photography session. The charger is designed with convenience in mind. Its compact and lightweight design makes it perfect for travel or use in tight spaces. It is very compact, and it offers the convenience of a built-in USB-A input cable that neatly stores in the base of the charger. The ProMaster Dually Charger is built with advanced charging technology. It features intelligent circuitry that detects the battery status and delivers the optimal charging current, ensuring fast and efficient charging without compromising battery life. Safety features like overcharge protection and short-circuit protection provide peace of mind during the charging process. Charging time is approximately 2 hours 30 minutes from depleted to 100% for 2 batteries charging simultaneously. Dimensions: 3 3/16" x 2 1/4" x 1" / 80 mm x 58 mm x 25 mm Weight: 2 3/8 oz / 68 g Input DC 5 V 2.2 A (Min) via USB-A port Output DC 8.4 V Output current 600 mA