My fellow nairalander, someone should please recommend a solar deep cycle lithium battery for me, i have already purchase the other materials, it's only remain the battery, i want take my time and invest my money on this battery, i made to understand solar battery is the main body of everything, please i need a 150AH solar battery, if possible the life span of that battery, as in how many years can run in powering my house, please a good solar power engineer should assist me with the name of the battery product/company please, thanks.