The maximum wattage a 6V solar panel can power depends primarily on its size and the conditions surrounding its installation. Watts measure how much power your solar panels generate. 1 kilowatt (kW) equals 1,000 watts (W). 5-2 amps under optimal sunlight, but real-world factors like sunlight intensity, battery type, and system configuration significantly impact charging efficiency. Watts represent total power — the rate of energy transfer — while volts measure the electrical potential difference between two points. The calculated amps from watts and voltage are 10 to 12 amps per hour for a 200-watt. Solar panels are rated by voltage (V) and current (A), but watts (W) determine their power output.