Obtain USB power supply, plug into a laptop, and set output to 5.9V

Plug in the green terminal block from the power supply into the Open-Storm board solar port.

Confirm the solar charge LED is off.

Plug in a dead battery to the battery port. This step will not work with a charged battery

CAREFULLY turn the silver potentiometer next to the charge controller IC with a small flathead screw driver until the charge light turns on.