Quote:
Originally Posted by pgfpro
Now the next thing is to build a battery station and I'm still looking at possibly making a homemade battery's as you shown me in the videos you sent to me. 
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If you really want to go cheap and DIY pgfpro; I have taken a very quick look at Zinc Hallide batteries.
Here's
Zinc Bromine
But more interesting may be Zinc-Iodine Battery which seems to have a better energy density and Lugol's Solution is easy to get.
Challenges:
Dendrite growth. Possibly fixable with unglazed terracotta pots or air bricks or such.
ie: the ideal, ready made unglazed terracotta separator doodat has not yet been found.
Ideally you want to physically remove the Zinc electrode from the solution when not in use.
That requires some sort of mechanism.
So this is the kind of thing that needs space, but it can be outside.
It's nice that the battery can go to 100% discharge and stand for years without issue AND no chance of it ever bursting into flame!
Oh and did I mention cheap!
