Solar power is a function of area. If you are comparing a small cell, say one that fits on a flashlight, to a small generator that fits in the same flashlight,

Solar power is a function of area. If you are comparing a small cell, say one that fits on a flashlight, to a small generator that fits in the same flashlight, then there will not be much solar power available. If you are expand your solar cell to a square meter then you will make more power than an "in shape" cyclist can sustain for an hour (200 watts). Rules of thumb: • 1 square meter in full noontime sun gets about 1000 watts of sunlight. • Solar panels are about 20% efficient, so 200 watts per square meter at noon. • Total sun delivered during the day is equivalent to 4 noon hours in the summer, 2 noon hours in the winter.