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Hey Everyone, I recently learned about converting pure sine (and modified sine) APC ups's into budget pure sine wave inverters. I decided to make a video series on it to share my findings and progress. The end goal is to mount my 2U UPS into a rolling music case with a much larger battery bank...

So I've been trying to figure out how to make my own custom size bus bars and while Will's idea about hammering copper tubing is effective I wanted something that looks a little nicer. I came across 1/16" and 1/8" by 1/2" copper strips at onlinemetals.com for reasonable prices. $7.01 and $12.55...

Pretty neat for those of us comfortable with assembling pcbs and loading Arduino code. Fully modular, web interface, programmable relay outputs. Here is someone's video on it vs the last gen. A link to the GitHub with firmware and boards...

Hey Everyone, I got my hands on two more Magnum Energy Inverters. I have a MS4024PAE and a MS4448PAE for sale. These can be run in parallel using a ME-RTR (with the same model number, NOT 24v and 48v) to increase total output. MS4024PAE: 24V Nominal 4000W Pure Sine 5800W Surge (5 second) 4800W...

Hey Everyone, I have 50 of these new 25ah 3.2v LiFePO4 cells for sale that are leftovers from a project. They are TopBand brand which I suspect is the same manufacturer as the Orient Power ones that Will tested on his channel. I'm not sure about the legality of shipping these so I am only...