Technical / Calculators / Solar Power Calculator Solar Power Calculator Load Calculators Qty Load Type Usage Power Absorbed Energy Drawn Lamp Computer Television Radio Fridge Other h W Wh/day Lamp Computer Television Radio Fridge Other h W Wh/day Lamp Computer Television Radio Fridge Other h W Wh/day Lamp Computer Television Radio Fridge Other h W Wh/day Lamp Computer Television Radio Fridge Other h W Wh/day Lamp Computer Television Radio Fridge Other h W Wh/day Total: Wh/day Calculate Solar Panel Requirement Calculation Wh/day Summer Autumn Winter Spring Minimum Panel Size: Wp Calculate Battery Capacity Calculation Wh/day System Voltage 12 24 48 Volts Autonomy (hold over days) 1 2 3 4 5 6 7 Days Minimum Battery Capacity: Ah Calculate Cable Size Calculator Watts Cable Length Metres System Voltage 12 24 48 Volts Minimum Cable Size: mm2 Calculate