Feartures:

• Battery Type: Li-ion DC 8.4V(max) DC 7.2V(mean)
• Battery Capacity : 7.4V/1020mAh
• Charger Input: 5V 2.1A(MIN) Output: 8.4V 600mA×2
• The charger can charge a single battery as well as a pair, comes with a Micro USB cable
• Can be powered by most standard USB Wall, Auto Charger, Windows devices, power bank and other devices

Specification

• Brand: KingMa
• Input Voltage: MICRO USB 5V  2A         
• Output Voltage: 8.4V 600mA×2
• Weight: 80g (Only For Charger)
• Dimension: 80mm*64mm*24.5mm
• Material: ABS+PC
• Packing Way: KingMa Color box
• Suitable: for Nikon Coolpix A 1 J1 J2 J3 AW1 S1 V3 Camera 

Package Included:

• 1 x KingMa EN-EL20 850mAh Battery Pack and Dual USB Charger for Nikon Coolpix