Enclosure for 4S3P 18650 BMS stack

Enclosure for the Heltec 4S3P BMS stack with 18650 Li-Ion cells.

https://de.aliexpress.com/item/1005004857905408.html

Also sold under other names at AliExpress, eBay, etc.

Enclosure is designed for M3 insert nuts for top and bottom lid. Bottom lid has eight mounting holes, also designed for M3 insert nuts.

Use plastic screws to mount the BMS stack inside the enclosure to ensure insulation.