This is why it's not called efficiency. >100% efficiency is the realm of perpetual motion machines and other such quackery. The metric is Coefficient of Performance. A CoP of 3 means for every W ...

These are the best inverter generators. These inverter generators are pricier than portable models but run longer and more ...

Buying decent quality LiFePO4 rack batteries (52v, 100ah) you can get 66kwh for around $12,000. You’d need to add charge controllers and inverters to that. But depending on the size, if you are ...

How to Make a Inverter 7v to 180v ...