5.12kWh 100Ah expandable LiFePO4 module

The most common mistake buyers make is asking "how much does a set cost?" before asking "what kind of house do I have?" A system that fits a rural house with a pump and a big roof is often a waste of money in a city apartment, and the reverse is also true.   Three house types, three very different answers. The differences that matter are not the floor area — they are the roof, the outage frequency and the heaviest load in the house.   Three House Types, Four Real Differences      City apartment  Villa or townhouse  Rural house  Roof for solar  Almost none — shared roof, balcony only  Yes, roof and yard  Yes, large roof, usually unshaded  Outage frequency  Low, mostly storms and grid event...