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tinbucket04/01/20252 repliesview on HN

Weight is not a factor for home energy storage, there is no need for lithium cells.

That depends on your living situation. I live in a third-floor apartment, so weight is very definitely a factor.


Replies

bmicraft04/01/2025

Weight always is a factor since heavy batteries cost more to transport, period. It's always relevant, not least for the installation too.

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dheera04/01/2025

The apartment building can have unified power backup in its foundation/basement.

If you reduce the energy density by a factor of 10, the weight for power backup needs will still be far lighter than the concrete.