Built a 12v battery bank/electric generator.

Discussion in 'The Tavern' started by Cylon, Jun 3, 2017.

  1. Cylon

    Cylon Member

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    Took sometime off tinkering with my bikes and computers and built a 12v power bank that can regenerate power with either 120v wall outlet, solar power or what I currently have it setup with a 12v 200 AMP alternator using a battery isolator in my camper van. Has 104 AH which is enough to run a laptop, small fridge, lights and cellphone/tablet over the weekend in the van while I camp with the wife. Recharges while I'm driving from place to place.

    All I need now is a hitch haul for the bikes so we can cruise around the campgrounds. Being able to stay off grid for as long as I want is a great feeling to have.

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    Short video demonstration of how the device works.


    I also wanted to include some pictures my land craft, will look better once I have the bikes on the back haha. Hope the panoramic photo looks okay on the thread.

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  2. Dan

    Dan Staff
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    That is too cool, Cylon!
     
  3. Sitherus

    Sitherus New Member

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    I built one of these for the back of my last bike. it powered everything on the bike and stayed charged while riding with a set of solar panels. I built the box too.
     

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  4. Cylon

    Cylon Member

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    Dang that must have been heavy! Mine is around 90 lbs.


    I finally got the bank installed in the van with the voltage meter I ordered online, here's what its current state is.

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  5. Dan

    Dan Staff
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    Dang Cylon. That looks like it was manufactured. Big time, functional art.

    I have a real love for a kind of urban, hardware look. So when I make stuff, it always looks like a shade-tree mechanic made it. But wish I had that sorta touch. Really does look like a concept team met with a production team that sent it down to the floor so the engineers could draw it up and then a team of techs made it happen.

    Pretty work. Literally.

    Question. How does it vent or breath?
     
  6. Cylon

    Cylon Member

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    They are AGM sealed lead acid batteries, they don't vent like a normal unsealed marine battery would. I wouldn't recommend using unsealed batteries in your living space. So no worries about hydrogen leaking into my air when I sleep in there.

    https://en.wikipedia.org/wiki/VRLA_battery#AGM_battery
     
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