Battery USB Chargers
Submitted: Sunday, Feb 12, 2012 at 09:47
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Member - Rod N (QLD)
I have a Garmin Nuvi 1490T GPS which I would like to be able to use away from 12v or 240v chargers for longer periods than the inbuilt battery allows (about 3 hours). I have heard of external USB battery chargers for phones, ipods etc. Will these work OK with a GPS and has anyone had experience with these external battery supplies on a GPS?