This solar panel provided about one-fourth of my power on an 80-mile bike tour. A battery and my legs provided the rest of the power. See bikeforth.org/solar-xpedition-day-2/.
This solar panel provided about one-fourth of my power on an 80-mile bike tour. A battery and my legs provided the rest of the power. See bikeforth.org/solar-xpedition-day-2/.