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A comment on Tesla's giant battery saved $40M during its first year, report says. Parent comment

Re:Tesla's giant battery saved $40M during its first year, r... by TheLoneAdmin on Thursday December 06, 2018 @12:19PM (#18619990)
That's just a specific type of gravity battery. The primary issue is the low power to weight ratio. Consider that pumped water is also a gravity battery. Think of how much water is behind one of those dams.
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