Battery protection cover - 1x 21700 (shrink tube)
So that you can use your battery again, even if the sheath has become "quirky" or you simply want a different color.
Battery safety is an important issue! Therefore, always make sure that the insulation of the battery is completely intact. If this is not the case, you can use these shrink sleeves to create new insulation. The replacement should be carried out by experienced persons. We will be happy to do this for you at our premises in Uster or Effretikon.
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