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Power generation,Solar Power Projects

A Passive Venting Battery Bank for Off-Grid Applications

13 Sep , 2013  

Overhead of the batteries I uses a passive venting system for the battery box. The battery box hold (4) 6 volt deep cycle batteries. It is wire for a the volt system. The box was constructed from f/8″ Birch plywood and painted white. The lid can easily be flipped open and closed tightly. I have added a seal around the outside of the lid. For me, it’s just a piece of mind that something can function without moving parts. The venting system was made up from 3/4″ – 1-1/2″ PVC pipe that was dry fitted together.┬áThe large 1-1/2″ pipe for the rising hydrogen and the small 3/4″ fresh air pipe running to the bottom. It creates a vacuum inside the box and doesn’t need electricity to work.

The batteries appear dirty because they bubbled over and the acid had to be neutralized with baking soda.

Here you can see the shunt for the Tri-Meter meter

Here you can see the shunt for the Tri-Meter meter

The 2" PVC is the entry for the hydrogen and the small 1 inch is the fresh air coming in

The 2″ PVC is the entry for the hydrogen and the small 1 inch is the fresh air coming in

The vent system passing through the box

Exhaust and fresh air intake PVC pipes.

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