No welding required, freely combinable, 21700 battery slot

Описание: Hello everyone! As an electronics DIY enthusiast, I am thrilled to share with you something about DIY projects using a battery case and other fun activities related to electronics. The battery case has brought a new level of excitement and challenges to my projects. I want to share an amazing product with you through this video!

No welding required, freely combinable, can be spliced, capable of handling a large current of 10A, 21700 battery slot, made of PC plastic material.