Solar battery storage is something that has been on the fringe for most household solar owners in previous years, mainly due to the cost of batteries. There are a number of benefits to having a battery bank attached to your solar system, however - mainly that you can store excess electricity that your panels generate during the day for use at night, instead of selling it back to the grid.
The fuss that you might have heard lately revolves around Tesla Motors announcing their new PowerWall battery pack, which is a lithium-ion battery pack that has significantly pushed down the price of battery storage.
We have an in-depth analysis of the Powerwall 2 here that discusses whether it's a sound investment.
In our opinion, the popularity and hype around the Powerwall is the result of Tesla's great marketing efforts - there are a number of batteries on the market now that can go toe-to-toe with Tesla's Powerwall 2.
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