Glossary

A = Amps. Unit of electrical current.

AC = Alternating current. Direction of current is flowing in forward and reverse.

Ah = Amp hours. A rating used to define storage in a battery.

DC = Direct current. Flow of current is in one direction.

Kwh = Kilowatt hours. Unit of energy equal to 1000 watts in one hour.

Kwh/m² = Kilowatt hours per meter squared. Unit for solar radiation received on a given surface area in a given time.

W = Watts. Unit of power.

V = Volts. Unit for electrical potential.