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Types of Solar Battery
There are four main types of battery used in connection with storing electricity from solar power systems. Below is a summary of the various technologies currently commercially available and links to further information on each type.
1) Lead acid
Boring perhaps. Ugly and bulky 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.
Read on and learn more about lead acid batteries
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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 for the foreseeable future.
Read on and learn more about lithium-ion batteries
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 manufacturing to Thailand (previously North America). The ZCell is the smallest flow battery on the market.
Read on and learn more about flow batteries
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 (a salt water battery), offers a range of environmental and safety benefits due to its unique battery chemistry.
Read on and learn more about Sodium Nickle Chloride batteries
