I use a 'proper' Garmin external battery pack. I've never tried it with anything else.
Are there any higher capacity packs that mount as nicely as the Garmin/Powermonkey ones?
@hippy started
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I use a 'proper' Garmin external battery pack. I've never tried it with anything else.
Are there any higher capacity packs that mount as nicely as the Garmin/Powermonkey ones?