Nitecore UM4 is a universal smart charger compatible with almost all cylindrical rechargeable batteries, thus eliminating the need to own several chargers.

1 x Nitecore UM4 4-slot Quick Charger (battery is not included).

Input

• DC 5V/2A 9V/2A 18W(MAX)

Output

• 4.35V±1%/4.2V±1%/3.7V±1%/1.48V±1%

Compatible with: Li-ion / IMR/LiFePo4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 26700

Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D

Features

• Intelligent USB Dual-Slot Charger
• QC 2.0 input available
• Capable of charging 4 batteries simultaneously and controlling each slot independently
• Up to 1,500mA charging speed in a single slot
• Compatible with Li-ion and Ni-MH / Ni-Cd batteries with automatic detection
• Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode (LiFePO4 and 3.8 Li-ion batteries excluded)
• Automatic selection between 3 charging modes (CC, CV and -dV / at)
• Energy-efficient LCD display for real-time charging information
• Capable of manually selecting the charging cutoff voltage and the charging current
• Automatic detection of large/small capacity batteries and automatic selection of appropriate charging current
• Automatic termination upon charging completion
• Reverse polarity protection and short circuit protection
• Over-discharged battery activation
• Li-ion battery restoration
• Automatic detection of battery internal resistance and display of battery health
• Made from durable and fire-retardant PC materials
• Optimal heat dissipation design
• Certified by CE, FCC, and CEC