wb_sunny Solar Math
Solar Panel Recharge Time & Efficiency Calculator
Calculate real-world solar recharging time for your portable power station taking MPPT efficiency, sun hours, and cloud cover into account.
Solar & Battery Specs
Solar Recharge Performance
Full 0-100% Recharge Time6.1 hoursRequires ~1.1 sun days
Real Solar Output Rate164 Watts
Daily Energy Harvest902 Wh
Daily Battery Charge Yield90% of Battery
Solar Efficiency Fact
Solar panels rarely output 100% of their rated wattage due to atmospheric haze, panel angle, and heat efficiency loss. Standard MPPT controllers deliver 80% to 85% of nominal wattage during peak sunlight.