I designed this internal mounting solution for a Meshtastic solar node. which fits in the (Waterproof Outdoor Project ABS Plastic Junction Box IP67 Weatherproof Dustproof Enclosure with Hinged Cover, Mounting Plate,Wall Brackets for Power Project (5.9"X5.9"X3.5") enclosure).
Designed to fit the WisBlock Base (RAK19007).
With 18650 cradles.
and mini switches to connect/disconnect the batteries.
The author marked this model as their own original creation.