(Mod Request) Power Selling/Buying for A13

[The King of Nipples]

I have get a lot of extra power so my idea is to sell the power to people we can pretend that they have batteries and it transfers and it would be sold by watts so it would be cheap to buy and sell it could be sold and bought from space traders and caravans maybe travelers up to the maker or if it is already made please let me know thank you have a marvelous life and remember knowing is half the battle