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submitted 11 months ago by L4s@lemmy.world to c/technology@lemmy.world

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This Southern California solar farm is using retired EV batteries for storing the power and then send to the grid when needed. This way the retired batteries can extend their usefulness for several...::A Southern California company is showing how repurposing EV batteries for stationary storage can extend their usefulness for several years.

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[–] TammyTobacco@lemmy.ml 2 points 11 months ago (1 children)

The old rules applied to nickel batteries or whatever the last gen was called.

[–] squaresinger@feddit.de 2 points 11 months ago

NiCd was the one with the bad memory effect that required full charging cycles. They where also really toxic which is why they are illegal in many countries now.

NiMh hardly had any memory effect left, but would degrade comparatively quickly.

Li-Ion/Li-Po is what we currently have. They don't like to be full or empty for long times and like shallow charging cycles.