Interesting Engineering on MSN

CATL’s 5th-gen sodium-ion battery triumphs over lithium’s low-temperature weakness

Building on the gains introduced in CATL’s fourth-generation LFP batteries – which already outperformed mainstream second- and third-generation models in energy density, longevity, and power output – ...
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I Made a Long Duration Li-ion 18650 Battery for my RC Airplane | Li-ion vs LiPo

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...