Grid Down Redoubt ESS Battery Life Calculator (Advanced) ESS Battery Life CalculatorStep 1Step 2Step 3Welcome to Battery Life Calculator. This calculator will help you learn how long your batteries will last based on how much energy you plan to use. This calculator takes 2-5 minutes to fill out. Select a Grid Down Redoubt Battery Capacity Redoubt 42.9 kWh Redoubt 57 kWh Redoubt 85.8 kWh Plus Redoubt 114.4 kWh Redoubt 128.7 kWh Redoubt 171.6 kWhPreviousNextAdd Your Own Wattage. You can add the total wattage of your home or wattage per device. To Make sure All data is updated within the calculator, update both numbers even if you only need to update a single number. This will refresh the data. This app makes the assumption that your system will remain at factory settings for maximum battery discharge, battery voltage, and inverter efficiency. Determining Your Electrical Usage Name Watts Minutes Used Per Day (There is 1440 minutes per day) There is no need to manipulate anything below unless you are an installer or solar expert. After you have added the data above, you can just hit the NEXT button at the bottom of the page. Maximum Battery Discharge Percentage (20% is the Standard the preset amount for each system)20% Max Battery Discharge Amount Battery Voltage (Adjustable from 46V to 54V)VoltsInverter Efficiency (Adjustable. Redoubt Efficiency is 96%)% Percentage of Battery Remaining % of kWh (kWh with Battery Discharge Limit) Percentage of Battery Used % of kWh (kWh with Battery Discharge Limit)PreviousNextTotal Watt Hours Used (Accounting for Inverter Efficiency)Watt Hours (Wh)Total Amp Hours Used (Accounting for Inverter Efficiency)Amp Hours (Ah)Total Time in Minutes UsedMinutesTotal Time in Hours UsedMinutesTotal Battery Capacity in Kilowatt Hours (Accounting for Maximum Battery Discharge Percentage)Killowatt Hours (kWh)Total Battery Capacity in Amp Hours (Accounting for Maximum Battery Discharge Percentage)Amp Hours (Ah)Total Battery Capacity Remaining in Kilowatt Hours (With Battery Discharge Limit)Killowatt Hours (kWh)Total Battery Capacity Remaining in Amp HoursAmp Hours (Ah)Total Battery Capacity Used in Kilowatt Hours Hours (With Battery Discharge Limit)Killowatt Hours (kWh)Total Battery Capacity Used in Amp Hours (With Battery Discharge Limit)Amp Hours (Ah)Percentage of Battery Used%Percentage of Battery Remaining%Where Should We Send Your Battery Life Info & 5% Off Coupon? Enter your email below and we will send a PDF of this data to your email along with a 5% Off Coupon.EmailName (Optional)SEND PDF & COUPON Previous Note: *Battery life data provided is only an estimate.
