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submitted 10 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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[–] CyprianSceptre@feddit.uk 6 points 10 months ago

When they've reached end of life for the car, they are still useful.

EVs require high energy density so they get replaced when they don't store enough energy for their weight. However for grid storage, weight doesn't really matter (at least not as much) so a battery with 80% of its original capacity is a good (and cheap) solution.

When the market is mature, it will good for car owners who need to replace their batteries because the old one still has value.