Tesla's Megafactory in Shanghai will likely manufacture Megapack, which is the company's energy-storage battery.

Our top pick for the best home battery and backup system is the Tesla Powerall 3 due to its 10-year warranty, great power distribution, and energy capacity of 13.5kWh. However, the Tesla Powerall ...

This system is essentially similar to Tesla's home energy system offering and will ... Nevertheless, both brands are modular, so you can combine multiple batteries to get the capacity you desire.