Off Grid Living- Diy Tesla Power Wall ? Simpliphi - Tesla Modules - Golf Cart Battery. Here is some examples that I came up with for options that I may have in order to set up a 48 V off grid system charged with solar power wind turbines. If you were in my shoes which option would you go with, If you know of any other options that is comparable to the examples that I laid out please leave a comment and let me know. Tesla power wall simpliphi golf cart batteries Tesla modules Lithium ion Batteries lead acid batteries Power wall DIY how to live off grid. Battery bank systems.