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Do batterie exist that work like the balcony solar? (piefed.social)

submitted 1 day ago by HubertManne@piefed.social to c/solarpunk@slrpnk.net

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So the big thing with the balcony solar to me is it can be plugged into a standard outlet and it would work without sending electricity downstream to the system somehow. So it seemed to be smart like that. Let me know if I have a misunderstanding here. So I always felt like having batteries would be useful enough without solar as you could (at least in my area) take the hourly electric rate and charge it during non peak times and have it be used during peak hours. This in addition to getting through power outages. So im kinda wondering if there are balcony battery options that would allow for this. Plug it into an outlet and setup when not to charge and when to provide power. Anyone know if this is a thing?

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[–] FundMECFS@lemmy.dbzer0.com 12 points 1 day ago (2 children)

Have you considered the energy loss. Depending on your battery you might end up with like 75% of the energy you paid for.

Because both storing energy in a battery and taking that energy out is not 100% efficient.

[–] HubertManne@piefed.social 7 points 1 day ago* (last edited 1 day ago)

good point. I do use one for my router and I was thinking it would be nice to have the whole house going for smaller outages and that might make up for it. Also I feel like I could sneak it in easier at my condo. EDITED - Just looked it up and the high is 4x higher than the low and its a short span when it is real high and much longer overnight cheap. I think it might be worth it.

[–] MachineFab812@discuss.tchncs.de 4 points 1 day ago

If their peak-usage rates are even 33% higher than normal, they would at least break even like so. Something like a Powerwall is still more useful as a back-up in-case of outages.

Otherwise, its anyone's guess whether it would ever save OP enough money to pay for itself. The useful life of the batteries may be reached well before that point.