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Types of Solar Battery

1) Lead acid 

Boring perhaps. Ugly definitely. But also dependable, tried and tested. Lead acid batteries have been taking Aussies off-grid for decades. But they are rapidly being eclipsed by other technologies with longer warranties and lower pricing as solar battery storage becomes more popular. 

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2) Lithium-ion

Lithium-ion batteries are evolving in leaps and bounds as the electric car industry drives their development. Spearheaded by the brilliantly marketed Tesla Powerwall, Lithium-ion batteries are looking to become the most popular choice for on-grid solar battery storage.

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3) Flow 

Flow batteries are a relatively new entrant to the battery storage marketplace (though their technology has been around for many years).

They are called flow batteries because they have a water based solution of Zinc-Bromide sloshing around inside them. At the moment only a few companies are producing flow batteries for the residential market, the most prominent of which is Redflow, an Australian-based flow battery company that outsources battery manufacture to North America.

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4) Sodium Nickle Chloride 

Sodium nickle chloride technology is yet another competitor to the dominant lithium-ion technology. In Australia, GridEdge is producing their Quantum battery which, like the Aquion, offers a range of environmental and safety benefits due to its unique battery chemistry.

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