Electronics > Power/Renewable Energy/EV's
Do someone still use big NiCd at home/work for solar storage?
Miyuki:
Hi,
I have a possibility to buy big NiCd battery (120Ah cells) for almost no price should be at 75-80% capacity
I want to ask if someone have experience with it ?
NiHaoMike:
Do you have a way to test it first? NiCd is a very forgiving chemistry, even more so than lead acid. What I'm not sure about is disposing of it when it finally does fail, since it's hazardous waste just like lead acid, but I don't think auto parts stores would accept large used NiCd.
Miyuki:
Disposing is not a problem here as here is still manufacturer and buy them back for a few cents per kilo :-+
What is best way to test them at first ?
I can buy 89 of 120Ah cells so it will be lot of cells to inspect
james_s:
If it's really cheap just grab it, if nothing else it should be fun to play with. I use a deep cycle lead acid battery to power an inverter during power outages, a big NiCD battery would offer higher energy density.
David Hess:
If these are flooded cells then you should be able to check the electrolyte (potassium hydroxide) level and top it off with distilled water and they are practically indestructible; only flooded nickel-iron cells are tougher. They would be fabulous for off-grid solar storage if you can find a suitable charge controller.
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