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When I was buying lithium ion cells a few years ago for a custom off-grid battery build, CATL cells had the best reviews and testing results around. They were
by _heimdall 10mo ago
When I was buying lithium ion cells a few years ago for a custom off-grid battery build, CATL cells had the best reviews and testing results around.
They were founded in 2011 as a spin-off from ATL, itself founded in 1999 by a Chinese billionaire (Robin Zeng). They definitely didn't pop up out of nowhere.