Nitecore F21i Charger & Power Bank

Code: 6952506494521

Nitecore F21i 2-in-1 Charger and Power Bank for 21700 i Series batteries.

The Nitecore F21i is a fast charging power system specifically for use with Nitecore's i Series 21700 li-ion batteries. The charger and power bank unit comes with an NL2150HPi 5000mAh 21700 battery which features dual way output with positive and negative polarities at both ends.

The F21i can be used as a 21700 i Series battery charger when connected to an external power source. The blue indicators will flash to show the charging process. An 18W USB-C dual way fast charge is available with QC and PD adapters (not included). The white indicator will turn on to show the charger is in fast charging mode.

Alternatively, the F21i can be used as a power bank when the battery has sufficient power. When fully charged, the NL2150HPi provides approximately 1 full charge for the iPhone 12.

To check the battery level, tap the USB-C port which has a built-in touch sensor. If 1 blue light appears the battery is approximately at 30% or lower, 2 lights is approx. 70% and 3 for fully charged at 100%.

The Nitecore F21i has a range of protection safeguards including overcharge protection, overcurrent protection, over-discharge protection, short-circuit protection, thermal protection and overvoltage protection.

  • Diameter: 27.4 mm / 1.08"
  • Length: 112.5 mm / 4.43" (with battery)
  • Weight: 22 g / 0.78 oz.
  • Input: USB-C 5V - 2A / 9V - 2A
  • Battery Output: 4.2V - 4A (Max)
  • USB-C Output: 5V - 2.4A / 9V - 2A / 12V - 1.5A
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