These 9 battery companies will help you save tons of money on your energy bill

Reuters/Patrick Fallon

Your monthly energy bills can get quite expensive, especially during the summer. You need lots of energy to stay cool and power your electronics, but buying your energy from an outside company isn't always the most efficient or cost-effective.

That's where at-home batteries come in.

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Combined with advancements in solar technology, these large batteries have the potential to provide a whole new way to store and control the energy used in your home.

It's for that reason that an increasing number of companies are working on at-home batteries to change the modern home into a sustainable vision for the future.

Here's 9 at-home battery makers on the market today.