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Discussion Starter #2
I took an ammo can, put 4 6V batteries in series in it with non expanding window insulation, a 12v vehicle jack and switches. Master power switch and right 12v / left 12V cell switch. Hooked it all to a battery tender for a motorcycle.


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Discussion Starter #4
That's not a raft... That's a solar powered slug from mars! Very cool, and it's so huge it may never flip! Hopefully...


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I use my solar setup both rafting and on my snocat in winter. (2) 12v 8 watt panels wired in parallel. Charge controller, (4) 12v 7 amp batteries, and 12vdc to 120vac 300 watt inverter all fit inside ammo can. Inverter also has USB charge port @ 12V. The solar panel cable enters ammo can thru CGB connector (so it is waterproof) and allows full time charging. On the river I can open ammo can and run lots of stuff but in rapids I have to close the top 'cause charge controller and inverter are not waterproof. Did a 21 day GC trip in April and all worked fine.
 

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Discussion Starter #6
I use my solar setup both rafting and on my snocat in winter. (2) 12v 8 watt panels wired in parallel. Charge controller, (4) 12v 7 amp batteries, and 12vdc to 120vac 300 watt inverter all fit inside ammo can. Inverter also has USB charge port @ 12V. The solar panel cable enters ammo can thru CGB connector (so it is waterproof) and allows full time charging. On the river I can open ammo can and run lots of stuff but in rapids I have to close the top 'cause charge controller and inverter are not waterproof. Did a 21 day GC trip in April and all worked fine.

That's cool. And there comes a time when it's time to put down the IPad and raft! So it's ok if you have to put it away to hit the rapids.


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PowerFilm makes nice waterproof roll up panels. Mines a 42" which puts out a good 1 amp dc into a 34 amp/ hr lithium 12 volt in a small ammo can. Just got off the Grand. Never used a disposable battery. Ran gopro, camera, iPhone, headlight and gave away power,


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You all might want to employ a solar controller. Overcharging the batteries can ruin a 12v sla or more expensive 14v lithitm

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My buddy used his cpap on the river. He brings 1-2 golf cart batteries. They were the smallest he could find that will work. He also has a solar panel that he used on the Grand.
 

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SlamKal
Your right on the money about the solar controller. I ran my 14v lithium up to 15v the first day without the controller. It's a Shorai LFX lithium. I also keep the battery on a Shorai 2 amp battery management charger system for storage purposes when back in Rim World.


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Discussion Starter #11
Great suggestions. Catgirl great med advice. I need more river ideas and a way to make a spine board.


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Discussion Starter #14
Here's the setup I put together last off-season and seems to be working pretty well:

Hey does that battery come from goal zero? Or is it just a marine batery? What about the cable attached to the solar panel. Is it a goal zero part? Thanks.


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Hey does that battery come from goal zero? Or is it just a marine batery? What about the cable attached to the solar panel. Is it a goal zero part? Thanks.
The battery is just a generic 18AH SLA like Amazon.com: 12 volt 18 Ah Rechargeable Battery: Home Improvement

I used a mix of Goal Zero and Battery Tender accessories / cables:
12V Charge controller = Goal Zero Guardian
110V wall charger & quick disconnect cables = Battery Tender Junior; Amazon.com: Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger: Automotive
Cigarette adaptor = Amazon.com: Battery Tender 081-0069-8 Female Cigarette Adaptor for Quick Disconnect: Automotive

I did splice the output of the GZ charge controller (cut off the alligator clips) to a quick disconnect Battery Tender quick disconnect cable (be careful to get the polarity correct) to simplify the setup.
 

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Discussion Starter #20
That's the finished experiment from earlier. I've got two different power supply's. Or better stated two 12 V batteries. So if I use one up in X amount of time, I know I've got X amount of time with the same usage on the other cell. The whole thing is made of four 6V batteries.


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