Comparing portable USB battery chargers: Olight UC, Nitecore F1, Xtar XP1

Comparing the Olight UC, Nitecore F1, and XTar XP1 USB battery chargers.

These tiny chargers are perfect to throw in your bag and charge your LIon cells on the go with any USB power supply
Olight UC Magnetic USB charger http://amzn.to/2dFdL5I
Nitecore F1 charger http://amzn.to/2e1VnRv
XTar MC1 (new model) http://amzn.to/2e1WiRS

Видео Comparing portable USB battery chargers: Olight UC, Nitecore F1, Xtar XP1 канала jwardell