The UMS4 Intelligent USB Four-Slot Superb Battery Charger from Nitecore is compatible with select Li-ion, IMR, LiFePO4, NiMH and NiCd batteries. This charger accepts multiple power sources that plug directly into the micro USB port (USB cord not included). Batteries can be charged simultaneously or independently, and the charger can reach up to a maximum 4000mAh of output power.


During the charging process, The LCD will monitor battery health, and display battery status, charged volume, battery temperature, and battery level. Batteries with circuit protection activate the intelligent charging management system, applying correct charging currents, preventing overcharging, protecting against reverse polarity, and providing anti-short circuit protection. The charger is constructed from durable and fire-retardant PC and ABS materials. At the same time, it has a built-in temperature regulation system, which helps to dissipate heat and prevent the charger from overheating.


  • Charges Li-Ion, Ni-Cd & Ni-MH Batteries
  • Charge Simultaneously or Independently
  • LCD Displays Real-Time Charging Details
  • USB Port Works with Many Power Sources
  • Battery Health Detection
  • Prevents Overcharging
  • Reverse Polarity & Anti-Short Protection
  • Built-In Temperature Regulation System
  • Constructed from PC & ABS Materials
  • 4000mA Maximum Output



Charging Bays 4 x AA, AAA, 10440, 14500, 16340, 17500, 17670, 18350, 18490, 18650, 26650, AAAA, C, D, RCR123 (16340)
Supported Battery Chemistry Li-Ion, Ni-Cd, Ni-MH
Charging Voltage 4.35 VDC
4.2 VDC
3.7 VDC
1.48 VDC
Charging Amperage 500 to 4000 mA
Power Input Micro-B USB
DC Input Power 5 VDC at 2 A
Charger Dimensions 15.90 x 10.69 x 4.1 cm
Charger Weight 255g



SKU 6952506492794
Barcode # 6952506492794
Brand Nitecore
Shipping Weight 0.5000kg
Shipping Width 0.200m
Shipping Height 0.200m
Shipping Length 0.050m

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