Review on 🔋 Optimized Super Large Controller Case for Electric Bike, Scooter & Bicycle Conversion – Electric Motor Controller Box by Sean Fabacher

I wanted to mount a 13S 5p battery. This is how I maximized the space. I had to cut off some of the plastic fins to fit my BMS. It's still too tight, but it works. I think it would be better to build a smaller 13x4p package instead. FYI I forgot to attach it to the bike and it detached from the bike after riding on the bumpy terrain. My batteries seem fine so I think he protected them well. It also has an LED battery indicator and a switch which I didn't connect because I had so much space and there are no instructions on how to connect it exactly and I didn't feel like trying to figure it out.