This off grid solar power system kit provides nearly everything you need to bring off-grid solar power and battery storage to a home, cabin, or any other remote location,it inlcudes the 12 X 415W solar panel, 20.48KWH battery, 12000W solar inverter and a set of solar cable and bracket. it will produce around 20KWH per day based on 4 hours sun. With 12KW split phase inverter (120/240V) output, it is more than powerful enough to run everything from air conditioners and well pumps to lights, fridge, tv, workshop, office and even light commercial and industrial applications. Easily expandable, you can always add more batteries and more solar panels in the future.