Off Grid Solar System Battery Calculator

A free calculator for determining the number of batteries in series and parallel in the battery bank.

Off grid solar system battery calculator. How to calculate battery capacity for solar system off grid. The calculator assumes you will need to size your system to get you through average amount of sun light in the least sunniest month of the year for your location. For the most accurate and personalized off grid system size calculation call our solar experts at 1 800 472 1142. For off grid systems it s usually expected you ll use the 100 hour rating i e.

Off gridders typically try to make their batteries last a long time since they cost a lot. Because of the better efficiency and deeper discharge depth lithium battery banks tend to be only 50 60 of the size of a comparable lead acid bank. This calculator assumes and adds for. The off grid solar panel system calculator helps you size the battery bank watts of solar panels and the solar charge controller you need.

The more often you charge and then discharge a battery the shorter its lifetime. Energy and days of autonomy. You need two key pieces of information. You ve purchased a large enough battery bank so that you won t be using it too heavily.

The lithium batteries we use are purpose built for off grid solar and utilize a special lithium chemistry called lithium ferro phosphate lifepo4 commonly called lfp. A free calculator for sizing the solar battery or solar battery bank of your off grid solar power system.