Budget batteries don't always mean poor performance. These bargain brands have some great performance at a low price.

And could these innovations realistically dethrone current manufacturing methods and battery materials?

This can be particularly lucrative in Texas’ volatile electricity market, as batteries can charge from the grid when electricity is cheap and plentiful and sell that power when the price spikes.

Thousands of buildings across the United States are staying cool with the help of cutting-edge batteries made from one of the world’s simplest materials: ice. When electricity is cheap ...