Protection cap for Li-Ion 18650 batteries.

Strong protection (safety closure) cap for naked 18650 Li-ion batteries. High protection factor, reusable, easy to print, less material needs.

Description:
This battery type (Li-Ion 18650) is probably the most commonly installed in laptop battery packs.

If a laptop battery is defective, then all the cells are never useless. So it actually makes sense to carefully disassemble a notebook battery in all its components.

Only for experienced users!
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