8
20. Locate the four 22mm Silver Standoffs in the PC Board M3 Standoff Kit. Have these ready for the next step.
21. Hold the KAB-250v4 2 x 50W Class D Audio Amplifier Board with the connectors/heatsink pointing down and
the Precut Panel hanging freely. Keep the 4 conductor cable for the KAB-BE 18650 Battery Extension Board
separate from the other wires.
a. Carefully twist the Precut Panel 4-5 complete revolutions while slowly lowering the KAB-250v4 towards the
standoffs installed on the panel. Be sure to keep all wires inside of the standoffs.
b. Line up the four holes in the KAB-250v4 with the standoffs in the panel.
c. Thread the four 22mm Silver Standoffs, through the KAB-250v4, into the 60mm standoffs installed in the Precut Panel.
22. Install the KAB-BE 18650 Battery Extension Board to the four 22mm Silver Standoffs with the four Silver M3 x
6 mm Cap Head Screws from the KAB-PMV3 Panel Mount Kit hardware. Tighten screws with the included Hex
(Allen) Wrench.
23. Plug the 4 conductor cable into any of the 4-pin connectors on the KAB-BE 18650 Battery Extension Board.
24. Peel off the backing on the self-adhesive Gasket Tape and apply to the back side of the KAB-PMV3 plate. Trim
any excess with a knife or scissors.
25. Install the three 18650 2600mAh Li-Ion Flat Top Batteries into the KAB-BE 18650 Battery Extension Board.
Important
: Be sure to verify proper polarity when installing batteries. Polarity is marked on the black battery
holders and on the circuit board.