Here’s a list of builds I think you’ll love. Click on one and you’ll get the video, a tools and materials list, and a full write-up of the build itself.
I Made a Battery Power Station Out of a Broken Chinese Scooter
I turned a dead 36V scooter battery into a DIY power station that charges phones, tablets, and batteries, and runs a radio and low-watt gear like a tire air compressor.