Nitecore F4 Battery Charger and Power Bank

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The Nitecore F4 is the Golden Award Winner of the ISPO Award for Outstanding Outdoor Charger and Power Bank. It can take 4 x 18650 and has the dual feature of being a battery charger and power bank. It has an LCD display for real-time battery status monitoring. The user-friendly interface, innovative design, function and performance are some of it's incredible features.
4 Slots flexible charger and power bank!
The Nitecore F4 can charge max 4 pieces of 18650 cells at one time. The portable size and powerful function makes it easy to operate.


The Nitecore F4 Battery Charger is right here for you! The Nitecore F4 is capable of charging four 18650 batteries simultaneously. Made from durable and fire-retardant PC materials, the Nitecore F4 Charger will be your best vaping pal for daily charge!

Input: DC 5V 2A
Output voltage: 4.2V±1% (Battery) / 5V±5% (USB)
Output current: 2*1A, 4*0.5A (Battery) / 2*2A (USB)
Compatible battery types: Li-ion/IMR 18650


  • Four-Slot Flexible Power Bank
  • Charging and discharging functions
  • Integrated intelligent USB charging and discharging management system
  • Capable of charging 4 batteries simultaneously and controlling each slot independently
  • Micro-USB 2.0 input port enabling 1A charging currents for 2 slots simultaneously
  • 2 USB output ports capable of outputting 2A currents simultaneously
  • LCD real-time display on Battery Voltage, Charging Current, Charged
  • Volume, USB Output Current and Output Volume
  • Energy saving hibernation function for the LCD display
  • Automatic detection on the battery level and automatic adoption for the optimal charging modes between CC and CV
  • Battery group discharging function
  • Reverse polarity protection and anti-short circuit protection
  • Activates over-discharged batteries with protective circuits
  • Made from durable and fire-retardant PC materials
  • Optimal heat dissipation design