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0 pointstrhway2y ago0 comments

>A Tesla power wall 2 is about 150kg, if half of that is lithium

an order of magnitude less. 30KWh is just about 3kg of lithium in theory. On practice it would be about 7-10% of the weight of the battery.

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2 comments · 1 top-level

zizee2y ago· 1 in thread

Do you have a source for that? I don't doubt what you write, but I would love to learn more.

xxs2y ago

realistically the cobalt based Li-Ion can reach ~250Wh/kg (and they are better than the LiFePO4). So 3kg of cobalt based li-ion would be below 1kW/h

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