If you’ve thought about installing solar power equipment, one of the most important parts is a battery system that enables you to use harvested energy as you need it, not necessarily as it arrives. One such solution is a Tesla Powerwall, with a price tag of $7,600 for each unit. This was a bit too high for YouTuber GreatScott!, and after using a lead acid battery for some time, he found that the capacity had decreased, leading him to explore other options.
