cgjxsalloyseed 5pcs plastic battery holder storage box case for 3x18650 battery holder plastic holder

introductions: a battery holder is one or more compartments or chambers for holding a battery. for dry cells, the holder must also make electrical contact with the battery terminals. for wet cells, cables are often connected to the battery terminals, as is found in automobiles or emergency lighting equipment. where the battery is expected to last over the life of the product, no holder is necessary, and a tab welded to the battery terminals can be directly soldered to a printed circuit board