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China's new iron battery hits 99.4 percent efficiency over 6000 cycles
(interestingengineering.com)
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this post was submitted on 29 Apr 2026
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Dang, your education paid off! I recently disabled fast-charging on my phone (ironically before reading any of this), so am I doing good, dad?
Haha yeah, that's a good way to keep batteries more healthy.