Custom 18650 Battery box Single/double/three/four SMT patches Plug 1 to 4 SMDS into the battery holder

1. How much current does this model support? Less than 1 a.

2 can backflow, but there are some bubble holes. Disadvantages eat less tin, easy to drop, over reflux may have plastic, generally manual welding. Goods will eat tin full, not easy to drop.

18650 Battery case Single/double SMT 1/2 18650 battery holder SMD battery compartment