UM10 is the latest innovation from Nitecore that is a USB powered Li-ion battery charger. It is compact, fully automated with clear digital display of detail charging status and charges many different type Lithium Ion rechargeable batteries.

Features:
High definition LCD displays real time charging status
Automatically stop charging when complete
Reverse polarity protection
Apply the proper charging current and voltage based on the battery type and capacity.
USB output port to charge your mobile phones or tablets
Prioritize either the battery charger or USB output port based on your selection.
Selects charging current based on battery capacity
Rear USB cable winder that keeps your charger compact and organized
Enables data transfer via USB
Optimized charging for IMR batteries
Ultra-safe with optimal heat dissipation and fire retardant materials
Environmently friendly certified by RoHS, CE, FCC and CEC

Specification:
Input voltage: Micro USB DC 5V
Output voltage: 4.2V ±1% / 5V
Output current: 1000mA / 500mA
Compatible with: Li-ion / IMR: 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440
Dimensions: 3.9 inch x 1.5 inch x 1.4 inch (100mm× 38mm×35mm)
Weight: 2oz (57 gram) (without batteries or power cord)
Content in package: UM10 Digital charger x1; MicroUSB-USB power cord x1