Some EVs can manage up to 7.4kW but even that won’t power your house at full demand. Photograph: iStock
Is it really worthwhile getting a battery to store electricity? I bought a battery, but I have my doubts. The battery cost €3,000. Only stores five units. And the battery has a finite lifespan.- Peter Casey, Co Dublin
I think it’s a bit of a split decision right now on whether or not a storage battery is a good solution, not least because if you have an electric car, then you already have a storage battery, just one with wheels.
However, we need to see these things in the round, so here goes.
A storage battery, even a relatively small 5kWh one, can be a hugely useful
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