Caving battery box for 4x 18650

Battery box very much in the style of Scurion / Rude Nora designed to mount on a caving helmet, holding 4 loose 18650 batteries.

Print 1x body, 1x lid and 2x insert.

The inserts fit in the recesses at each end of the battery positions to hold terminals and wiring space. The body has a hole at the base for tapping to screw in a cable gland (6mm bore). The join between the lid and the body will fit a 4mm (or 5/32") section of gasket, for additional waterproofing. The lid and body can be hel