"When the power goes out, I never notice. The transition to PW is seamless." This next-gen Tesla battery could make blackouts ...

Electricity is easy to take for granted – until it's not. The invisible power that lights your home, charges your devices and keeps appliances humming isn't something you think about every day.

There's no use in denying it: People are stressed about their energy bills ... to install the Tesla Solar Roof, you'll also have to purchase at least one Powerwall battery with your system.

Moreover, our car has delivered the energy equivalent ... That's why Tesla offers a dedicated high-power wall connector, $1,200, that replenishes the battery in 5 hours. Still, that requires ...