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I think we definitely need them if we want solar to be a thing, if you can store it during the dar effectively especially in Australia, you have no issues at night, otherwise I dont really see too much of a point to solar tbh, you dont use anywhere near as much heating/lighting/appliances during the day, unless you were doing construction I guess xD

True, but lifespan ranges 5-8 years and they need to spend money again on a new solution or new batteries, this is medium term solution for a long term problem

ahh fair enough , good point man, tbh I didn't know the life-span xD

we need of those wardenclyffs xD