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CORNEX's "314Ah + 5MWh", the industry's first batch to be mass-produced, stole the spotlight (energy density of 185 Wh/kg) https://www.evlithiumcharger.com/News/advancing-industrial-energy-storage.html "Storage capacity: 282 kWh per truck" ... Assuming this is the same battery used in the dump truck, battery weight (not including cooling/cladding) of approx. 282,000/185 = 1524.3 kg. (For comparison, the Tesla S car battery weight = 1,200 lbs (544 kgs).

Cripes, that's a heavy truck before anything useful is carried? ....which rather dances around the concept of putative energy 'efficiency'?

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