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Stored energy Answered

    Alot of people have amazing instructables on how to gather energy  be it solar, wind or hydro electric but not alot on how to store it.
So I guess what i really need is some storage instructables cuz Im at a total loss.
Please help. 

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hackencoff

3 years ago

I guess what I meant was ....which batteries would be best suited fir long term storage. I was told that forklift batteries were the best for off grid set ups

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Downunder35mhackencoff

Reply 3 years ago

Forklift batteries are not bad but dedicated solar batterie are better.

They are lead-acid based and to keep them fit and healthy means checking the level and acid concentration on a regular base.

But those batteries are designed to be charged and discharged on a daily base, not for long term storage.

Any rechargable battery has a self discharge rate, you need to find one that suits the Ah of your purpose for charging once and storing for a long time.
If we are talking a few days and not months normal solar batteries will do.

Forklift ones only if you get them dirt cheap (in a good condition).

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Kiteman

3 years ago

If you're talking about home-scale storage, and you live in a relatively typical domestic context, you're most likely going to be talking about batteries, most likely lead-acid batteries.

Think bank of car batteries, although I have heard of folk who managed to get hold of huge naval-surplus deep-cycle batteries from a submarine. If you're after more than a night's worth of power, plan on filling your garage or basement with racks of batteries.

The second most convenient way to store energy is to use any surplus power you have to lift a mass - when you need the energy back, let the mass fall, and use that fall to drive a generator. Again, for most typical contexts, "lifting a mass" will actually mean "pump water to a height", then, when you want the energy back, you let it pour through a turbine. That, though, requires the movement of many hundreds, probably thousands, of litres of water, so you'd really need to be in a location where you are able to build a large storage pond or tank at the top of a hill or cliff.

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Downunder35m

3 years ago

Batteries come to mind or check how the hydraulics of the original Tower Bridge in London operated so fast.

You can also use salt, rocks or water to store energy in the form of heat - all depends on what you are after.

Although the term "storing energy" is not entirely correct.