2S 18650 Li-ion Battery Holder Case for 3.7V Battery 2 cell (Black)

Product details of 3.7V 18650 Battery Holder Case 2 cell

A battery holder's main job is to maintain the cells fastened in place safely and securely while transferring power from the batteries to the target device. On battery holders, connectors with pins, surface mount feet, soldered lugs, or a set of wire leads are typically used to make external connections.