Specify your order Please fill out the necessary specifications for your order in the form below and click the “Submit” button. Afterwards you continue by clicking “proceed to checkout”. Order Number Your name * Your e-mail address * The name of your location * Latitude * Longitude * Daily electricity consumption you need [Wh] * A free calculation tool is available at: https://www.rapidtables.com/calc/electric/watt-to-kwh-calculator.html First month of the year when your solar power system should be well-functioning? * Earlier than February is not recommended for Northern Europe. Last month of the year when your solar power system should be well-functioning? * Later than October is not recommended for Northern Europe. How many days of bad weather should the battery last before it is discharged? Optional question. 10 is the standard number of days. How many days of good weather should the battery need before it is charged full again? Optional question. 1 is the standard number of days. Which type of batteries will you use? * Lithium-ion Lead-acid Ni-Fe Affects how deeply batteries should be discharged. Down to 20% for lithium-ion and 50% for lead-acid. Your cart is currently empty. Return to shop