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Submission + - California startup announces 400 Wh/Kg Li-ion cells (

dch24 writes: Envia announced their 400 Wh/Kg battery, 2.66x better than standard Li-ion batteries (150 Wh/Kg). With no other improvements that's an EV that can go 300 miles per charge.

They have GM and DOE funding, and are predicting a commercial product in 3 years.

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