NITECORE F4 Four-Slot Flexible Power Bank & Charger for Li-ion/IMR 18650 Batteries

Availability: 2 In Stock
SKU: NIC0032

NITECORE F4 is a four-slot USB battery charger that can also pull double duty as a portal power source. It can charge 18650 and other IMR/Lithium-Ion batteries. It independently controls the 4 slots with a single battery slot max charging current of 1A. Its LCD displays key battery and charging status for each battery slot. The F4 is also equipped with 2 USB outputs for charging USB devices such as cell phones, flashlights, headlamps, and other USB devices on the go. Enjoy up to 2A charging speeds using a single USB port. A sliding cover helps you to carry batteries safely. The lightweight and compact body of the F4 allows you to always have power at your fingertips - no matter where you go.


  • 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
  • Certified by RoHS, CE, FCC and CEC


  • Input: DC 5V 2A
  • Capacity: 60Wh (Max)
  • Output Voltage (Battery): 4.2V±1%
  • Output Voltage (USB): 5V±5%
  • Output Current (Battery): 2*1A , 4*0.5A
  • Output Current (USB): 2*2A
  • Compatible Battery: Li-ion/IMR: 18650
  • Dimensions(L x W x H): 4.46"x 3.39"x 1.06" (113.4mm x 86.1mm x 27mm)
  • Weight: 4.32oz (122.5g)(Charging cable not included)

Package Contents:

  • NITECORE F4 2in1 battery charger & power bank x 1
  • USB charging cable x 1
We dispatch your order on the same day if payment received before order cut-off time, otherwise we will dispatch it the next working day. However for heavy and over-sized items, order cut-off time might be earlier as we may have to use a courier like UPS.

UK Domestic:

  • Free Standard Delivery on all orders
  • Royal Mail 24 (delivery confirmation only) - £2.49 per order
  • Next Day Delivery - £5.99 per order
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