Plug the USB adapter into the SAMD21 mini breakout board.

Connect a pigtail with a connector of your choosing into the screw terminal. A 2 pin Deutsch connector was used. A red and black wire was used for V+ and V-, respectively.

Connect the Micro USB Panel Mount Cable into the micro USB adapter.

Mount the Deck Riser onto the Wheel Base.

Attach the Deck Riser onto the Wheel Base using 4 M3x8mm screws.

Stack the Battery Deck onto the Deck Riser. Make sure the pigtail and the Panel Mount USB cable is fed through the opening in the Battery Deck.

Attach the Battery Deck to the Deck Riser using 4 M3x8mm screws.

Install battery into the Battery Deck. Notice a foam strip was attached to one side of the wall. This is to add some cushion and to make sure the battery does not rattle all over the place.

Attach some foam strips on the underside of the battery straps.

Install battery straps into the Battery Deck using 4 M3x8mm screws.

Solder wires to the switch and connectors according to the following wiring diagram:

For the connectors, you may choose any connectors you want. In my case, since the battery came with a Tamiya connector, I used the corresponding Tamiya connector for the battery connector. While the black Deutsch connector is the carrier board connector.