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Old 02-04-2020, 07:16 PM #1
adrtoy adrtoy is offline
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Always on USB ports.

Looking for some ideas that I can use in the rear cargo area. I already have 12v battery voltage back there, but I'm looking for something USB to add that won't add any drain to the battery.
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Old 02-04-2020, 09:08 PM #2
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You cannot have an "always on" USB outlet without some small drain on the battery.
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Old 02-04-2020, 09:16 PM #3
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Perhaps a better way to word your request is to ask for a minimal current drain USB outlet to which I can give you a more useful answer.

For instance the Blue Sea dual USB outlet only pulls 0.015Amp which would take 3,333 hours to suck 50 Amps out of a battery.

12/24V Dual USB 2.1A Charger - Blue Sea Systems
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Old 02-05-2020, 07:03 PM #4
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Quote:
Originally Posted by adrtoy View Post
Looking for some ideas that I can use in the rear cargo area. I already have 12v battery voltage back there, but I'm looking for something USB to add that won't add any drain to the battery.
If You already have 12 volts in the cargo area you can install one of these.
With the switch to turn it on when you are charging a devise and off when not.
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Old 02-05-2020, 07:26 PM #5
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Personally I'm not that seasoned with automotive electrical. I would rather never worry about my starter battery.

I use a battery pack from amazon for now. But, I will prob move to a goal zero or w.e. Charge it on the move and or get a solar charger.

Can't go wrong with a standalone IMO.
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Old 02-05-2020, 07:56 PM #6
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I've decided to just use a two port USB adapter in 12 volt socket. It's not something I'll use very much, so I can just unplug it when not in use.
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