The Nitecore UMS4 is intelligent four-slot USB smart charger. It features automatic detection and selection of appropriate charging current for various types of batteries. It can charge wide-range of batteries with real-time LCD display which shows charging progress, voltage, current infomation. 4-Slot 3A speedy battery USB smart charger.

Features:

• Intelligent USB four-slot superb charger
• QC 2.0 input
• Compatible with Li-ion and Ni-MH /Ni-Cd batteries with automated detection
• Four-slot, compatible with most Ni-MH / Ni-Cd battery, IMR / Li-ion / LiFePO4 
  
• USB charging interface, convenient to use ( Not included USB Cable )
  
• LCD display shows real-time charging information
  
• Overcharge / overcurrent / overvoltage protection
• Intelligent USB Four-Slot Superb Charger
• QC 2.0 Input available
• Capable of charging 4 batteries simultaneously and controlling each slot independently
• Up to 3,000mA charging speed in a single slot
• Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode
• Automatic selection between 3 charging modes (CC, CV, and -dV/dV/dt)
• Energy-efficient LCD display for real-time charging information
• Capable of manually selecting the charging cut-off 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
• Overtime charging protection
• 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 RoHS, CE, FCC, and CEC

Specifications :

• Compatible battery types: IMR / Li-ion / 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
  
• Compatible battery types: Ni-MH / Ni-Cd: AA, AAA, AAAA, C, D
  
• Input: DC5V / 2A, 12V / 1.5A 
  
• Output: 4.35V+ / - 1 percent / 4.2V + / - 1 percent / 3.7V + / - 1 percent / 1.48V + / - 1percent
  
• Output current QC mode: 3000mA x 1 ( max ), 2000mA x 2 ( max ), 1000mA x 4 ( max )
  
• Output current standard mode: 2000mA x 1 ( max ), 1000mA x 2 ( max ), 500mA x 4 ( max )
• Dimension: 159mm x 107mm x 41mm
• Weight: 255.4g