There’s a strange certainty creeping into battery talk lately. The idea that DC coupling is the grown-up option, and AC coupling is something we did back when we didn’t know any better. I keep seeing installers and Facebook pundits claiming the only proper way to attach a battery to a house is with a DC-coupled system. Anything else is framed as inefficient, messy, a historical mistake or just deeply uncool.
I don’t get it.



Fifteen years ago, one of the hardest parts of selling solar was explaining why your panels shut down in a blackout. No grid meant no power, even on a sunny day.
Summer had a slow start around my place but it’s hard to miss now, and along with it, emergency warnings for bushfires, extreme heat and flooding.
For years, solar owners had it easy. You looked for the highest solar feed-in tariff. You checked the usage rate and the daily charge were not silly. You picked the winning tariff and moved on.

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