battery diy

Hi all, bought a DALY BMS 13S, 48V, 40A, in May 2022. This is supposed to be shock proof and waterprooof. Installed it carefully on top of my pack, secure with velco and Kapton tape on all terminals. The Silverfish case it's sealed with low module neutral cure black silicone. All the details...

Hi Folks I used the below kit to build an electric bike recently. Has any of you guys used this hub motor? How's the review...

Dismantled a portable charger. Four 18650 batteries. Look at the battery label. Cut the original nickel belt, two parallel, composed of a 7.2V battery pack. Welding. Slotted in the box. Just to put the welding point. The wire should also be slotted and placed inside...