The Nitecore UM20 is a duel Li-ion/IMR intelligent battery charger.

Compatible with battery types: 18650, 18490, 18350, 17670, 17500, 16340, 14500, 10440.

Input: Micro USB DC 5v (included)

Output: 4.2v plus/minus 1%/5v  1000mA/500mA

Features:

• USB input and output
• LCD display
• Safe and intelligent charging program
• Quality ABS fire retardant materials for max safety
• Insured worldwide by Ping - an insurance Company of China.
• Balanced charging