Can’t Wait (Or Afford) A Tesla Powerwall? Why Not Build Your Own For $300?

Not so long ago (well, 7 months ago) Tesla Energy announced the “Powerwall” energy storage solutions to quite a lot of fanfare. The Tesla units comes in both a 7 kWh and 10 kWh version (details), priced from $3,000 to $3,500; which quite honestly for the sleek enclosure, and Tesla Enegy… …read more