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Re: Power bank questions

 

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?I’d stick with a 12 volt lifepo4 battery and use converters to power/charge 5 volt usb devices. I recently added the Windcamp battery kit?designed for the 817/818, it’s about $75. Also 3 18650 batteries in a 3 battery case work well and can be recharged with a 4 cell charger. Don’t risk messing with alternative power sources.?
Mike Davis WA1MAD

On Mar 22, 2025, at 7:26?PM, Ken N2VIP <ken@...> wrote:

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The connected device controls the output voltage, you would use a cable configured to "tell" the power bank to supply it with 12v.
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I don't think anything 'guarantees' the power bank won't provide a different voltage, just the presumption/expectation that the devices will work as designed.
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To power an FT-817 type of radio with 12 volts, you would use a cable designed to priced the desired voltage, like this:

https://a.co/d/hNy4MWO
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Hope this helps,
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Ken, N2VIP
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