When electricity is cheap, the batteries freeze water. When energy costs go up, building managers turn off their pricey chillers and use the ice to keep things cool ... make sense, ice batteries ...
Using the same technology as electric car batteries, solar batteries can store electricity you generate during the day for ...
Its most important job is to convert the stored DC electricity in the battery into AC electricity that your home can use. It also typically ... will turn on to help cool things down.