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The Nitecore UMS4 Intelligent USB Battery Charger with 4 slots, made from durable and fire-retardant PC material, the nitecore charger with innovative QC mode, the total max output current reach to 4000mA, single slot max output can reach to 3000mA. it can charge 4 batteries simultaneously and controlling each slot independently. the UMS4 with optimized IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the batteries. the UMS4 with a large LCD display screen, it will show the charging information clearly. short press the  " V " button to cycle through different charging information, UMS4 will automatically select between 3 charging modes(CC, CV and -DV/DT) according to the battery type and capacity.  long press the " C " button to enter the charging setting mode manually. the charging voltage selection from 3.7V, 4.2V, 4.3V, and charging current from 300mA to 3000mA. the nitecore charger compatible with the various mobile power source, solar panel, and USB adaptors to ensure endless power supply.


  • Made From Durable And Fire-Retardant PC Materials
  • Size: 159*107*41mm
  • Input: 5V / 2A 12V / 1.5A
  • Output: 4.35V / 4.2V / 3.V / 1.48V
  • QC Mode: 3000mA*1(Max), 2000mA*2(Max), 1000mA*4(Max)
  • Standard Mode: 2000mA*1(Max), 1000mA*2(Max), 500mA*4(Max)
  • Intelligent USB 4 Slots Superb Charger
  • LCD Display For Real-Time Charging Information
  • USB Charging For Outdoor Charging
  • Total Max Output Of 4000mA, Single Slot Max Output Current 3000mA
  • Charging Program Specially Optimized For IMR Batteries
  • Intelligent Charging Mode Selection
  • Multiple Input Sources Available
  • Over-Discharged IMR Battery Restoration
  • Over-Discharged Li-ion Battery Activation
  • Anti-Short Circuiting And Reverse Polarity Protection
  • Energy Saving Function

Compatible With:

10440, 14500, 14650, 16500, 16340, 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650,18700,20700, 21700, 22500, 22650, 25500, 26500, 26650, 26700(IMR/LI-ION/LiFePO4)

AA, AAA, AAAA, C, D(Ni-MH/Ni-Cd)

Package Contents:

1*UMS4 Battery Charger

1*Charging Cable

Note: please ensure you have basic knowledge on how to properly to use it.

1)users need pay attention to Li-ion cells when vaping.the batteries very sensitive to charging characteristics and may explode or burn if mishandled.so vapers must have enough knowledge of Li-ion batteries in charging, discharging and assembly before use. please use the fire-proof surface battery charger, never leave charging battery unattended.we will not responsible for damage for the human reason or mishandling of Li-ion batteries and chargers.the device always recommend work with rechargeable lithium-ion IMR batteries with min output current 20A or higher.

2) Smokstore will not responsible or liable for any injury, damage, defect, permanent or temporary that may be caused by the improper use of Li-ion battery, coils, tanks, mods etc.please have a basic knowledge of batteries.welcome to contact us anytime to get help.

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