BNEF annual Li-ion battery price survey finds prices fell 13% from 2018 to average $156/kWh in 2019 - Green Car Congress
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Prospective improvements in cost and cycle life of off-grid lithium-ion battery packs: An analysis informed by expert elicitations - ScienceDirect
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Lithium ion battery prices rise for first time in gigafactory era; automakers in negotiations | Benchmark Source
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