Month: November 2017

HAMsmithing – Off-grid Charging for the Baofeng UV-5R and UV-3R Radios.

 

Chinese radio users know well, that grid power is needed to charge their radios. The reason is that their charging is tied on the 110/220V power and the radios’ own cradle charger.

To eliminate the charger it is impossible, but to replace the power to the charger is possible.

The Baofeng UV-5R and siblings’ charger demands 10V and there are various ways to replicate that.

  1. Use a 12Vto 10V car socket cable.
  2. Use a 5V to 10V USB cable.
  3. Use a battery system that outputs 10V

The latter is one such build.

Continue reading “HAMsmithing – Off-grid Charging for the Baofeng UV-5R and UV-3R Radios.”

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