![]() ![]() Most solar batteries are labeled deep cycle and are intended to be used over a 20-hour period max. This can tell you if a battery can work for the intended use or not.īatteries are not designed to be depleted over a short period of time. To get the number of amps the Inverter will draw from the battery in order to power the Sump pump you divide the Watts by the voltage of the system.Īmp-hours is 1-amp of power expended over one hour. In order to get the size of the battery, you would need to run the TV you will need to get the number of amps required. What Size battery for a Sump pumpįrom the example above we’ve seen, we’ll need around 1500 Wh in order to run a sump pump for 1 hour. So in this case you should go for a 400-watt solar panel or two 200-watt solar panels. You will also need to size up the solar array because of efficiency losses. So is a 200 Watt Solar Panel enough to support our sump pump? Not really as the solar battery determines everything. If you are in an area that receives around 4 hours of sunlight a day you will divide the total Watt-hour requirement by this number. The size of the solar array is dependent on the area, altitude, and how far you are from the equator. If you use an 800 Watt sump pump for 1 hour, you will need 800 Wh of energy. To calculate Watt-Hours you multiply the Wattage of the device or appliance and multiply by the number of hours you use the device. The amount of time you run an appliance determines how much power it uses. Sump Pump Watt-Hour RequirementĮlectrical energy is measured in Watt-Hours. To run the same sump pump for 24 hours you will need six 200-watt solar panels and a 450Ah Lithium battery. With the addition of two 200-watt panels and a 24v 150Ah battery, you can run a sump pump for 8 hours. This battery can provide the 30 amps an hour pull from the sump pump and can support it for 5 hours. To run an 800-watt sump pump you will need a 24v lithium battery rated at least 150Ah. How much water is being pumped out each day (the more water that needs pumping, the greater the overall energy consumption)Ī 1 horse-power sump pump will need 800 Watts to Run and around 1500 watts to start.The length of time that pumps are operated each day (longer periods will result in higher energy consumption).The type of motor used by the pump (a permanent magnet motor uses less energy than an induction motor).The size of the pump (smaller pumps can use less power than larger pumps).The amount of power required to operate a sump pump depends on a number of factors, including: In this article, we look at the power requirements of a sump pump, the battery bank, and the number of solar panels to run your sump pump. Solar power is a good option as you can rely on energy from the sun. A sump pump can prevent serious damage and prevent flooding from occurring in your basement during heavy rainfalls or other potentially damaging weather events.ĭuring flooding power from the grid may be cut off and you’ll need a backup system to run your sump pump. They help keep water out of your basement by automatically pumping it out when water gets too high. Sump pumps are essential to your home’s drainage system. ![]()
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