All of the Nitecore UM20 charger functions are same as the UM10 charger except of the extra battery panel; the UM20 feature two battery panels. The UM20 can recharge you vaping devices and Smartphone and also able to transfer data between your laptop and smartphone.

This charger is specifically compatible with cylindrical IMR rechargeable batteries and Li-ion batteries. Unlike the UM10 charger, the display of UM20 will separately show the charging process of inserted batteries; this charger is armed with an intelligent automatic power cut chip which terminates the current supply when your batteries are full.

That’s not all; this charger has a USB cable winder to keep things organised. The UM20 will automatically choose the best charging mode for your batteries. The body of um20 is specifically made by ABS flame-retardant material.

Nitecore UM20 Charger Features:---------
• USB output charging and USB data transfer
• Rear USB cable winder
• Made of durable ABS fire retardant material so it will not catch fire
• Metal sliders to reduce wear and tear when inserting batteries
• Battery slots monitors and charges independently
• Optimized charging design for IMR batteries
• Automatically detects battery status and selects the appropriate voltage and charge mode
• LED displays charging progress for each battery
• Automatically stops charging when complete
• Features over-charge prevention to protect batteries
• Features reverse polarity protection
• Designed for optimal heat dissipation
• Certified by RoHS, CE, FCC, CEC and KC
• Insured worldwide by Ping An Insurance (Group) Company of China, Ltd.


In the box
UM20 Charger
USB Cable
Instruction sheet