Nitecore camera battery chargers take advantages of the smart charging management system. It monitors battery status, displaying battery voltage, charging current, battery temperature and charged volume and automatically adopts for the optimal charging modes between CC and CV. 

Dual Slot QuickCharge 2.0 USB Charger for SONY NP-FW50 Battery

Connect the USN1 to a quick charge (QC) power adapter and a single slot will achieve a max output of 1000mA for fast, efficient charging. Using a QC device or adaptor, the USN1 simultaneously charges two batteries in only 2 hours so you can spend less time charging and more time snapping photos.

Easy to Read Digital Display

Easily monitor your battery health, voltage, charging current, temperature and more using the brightly lit high definition LCD display. No need to worry about overcharging your batteries as the USN1 offers an intelligent USB charging management system that automatically applies the correct charging currents and prevents damage caused by improperly inserted batteries.

Compact Design for Convenient On-the-Go Charging

Weighting about 2 ounces, the compact and lightweight design of the USN1 makes it an ideal solution for portable charging without taking up extra room in your bag. Compatible with universally available USB power sources like laptops, power banks, adaptors, and solar panels, the USN1 is the perfect charger for daily use and travel.

Specifications:

Input: DC 5V/2A or 9V/2A

Output: Slot 1 8.4V±1%
Slot 2 8.4V±1%
 
Output current: Standard Mode: 1000mA*1 (MAX)
 
Battery: NP-FW50
 
Compatible Sony Cameras:
 
Sony α5000, Sony α5100, Sony α6000,
Sony α6300, Sony α6500, Sony α7,
Sony α7 Ⅱ, Sony α7R, Sony α7R Ⅱ,
Sony α7S, Sony α7S Ⅱ, Sony DSC-RX10 Ⅲ
Sony RX10 IV, Sony RX10 II, Sony ILCE-QX1,
Sony ILCE-QX1L, Sony ILCE-5100, Sony ILCE-7S,
Sony ILCE-6000, Sony ILCE-5000, Sony ILCE-7, 
Sony RX10, Sony ILCE-7R