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NITECORE F4 Four-Slot Flexible Power Bank & Battery Charger for Lithium-ion 18650
NITECORE F4 Four-Slot Flexible Power Bank & Battery Charger for Lithium-ion 18650

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Price: $28.95

Availability: Usually Ships in 24 Hours
Product Code: CHG-NITE-F4

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4x Nitecore 2300mAh 18650 [Add $35.82]
4x Nitecore IMR3100-35A [Add $67.60]
4x Nitecore NL1835 3500mAh 18650 [Add $71.82]



  • Battery charger and Power bank
  • Single-slot max charging current of 1A
  • Single USB port max output current of 2A
  • 4 slots controlled independently
  • LCD real-time display
  • 2 hours to fully charge iPhone X

Included in the Box

  • NITECORE F4 battery charger & power bank
  • Micro-USB power cord

Four-Slot Power Bank & Battery Charger

Power up your next adventure with the NITECORE F4, a four-slot battery charger that can serve double duty as a power bank and battery organizer. The F4 is equipped with 2 USB outputs for charging and a micro-USB input for charging 18650 IMR/Lithium Ion batteries. The USB port allows users to quickly charge and power devices with a maximum output current of 2A.

LCD Display & Intelligent Charging

The F4’s LCD displays key battery information including voltage, USB output, charging current, charging volume and battery slot. The intelligent charging of the F4 independently controls the 4 slots with a max charging current of 1A in single slot. The charger can also be used with batteries as a power bank to charge cellphones, flashlights, headlamps, and other USB devices on the go.

Ultra-Compact and ultra Safe

The compact body of the F4 weighs 4.32 ounces and allows you to have to always have power at your fingertips - no matter how far you travel. Ideal for backpacking, this is the perfect charger for the rugged nature-lovers out there needing a lightweight power source and battery charger. A sliding cover helps organize batteries and enables you to carry batteries safely.


InputDC 5V 2A
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 withLi-ion/IMR: 18650

Compatible Power Sources

NITECORE F4 Product Overview
Average Rating: Average Rating: 4.5 of 5 4.5 of 5 Total Reviews: 2 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Wow just awesome September 30, 2019
Reviewer: Nathan daubertNate from New Jersey  
I can't believe I waited so long before buying a battery charger. This thing is fantastic charges batteries so quick verses just charging through the flashlight

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  0 of 0 people found the following review helpful:
4 of 5 NITECORE F4 Four-Slot Flexible Power Bank & Batter May 14, 2019
Reviewer: TTim from Niles, IL United States  
Nice design , easy to use . Would give it five stars if it was made of aluminum !

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