The German storage startup takes the fight to Tesla in 2016, selling 2,600 batteries in the first quarter to edge out Tesla, which confirmed earlier this month that it has sold 2,500 Powerwalls during the same period.
The German storage startup takes the fight to Tesla in 2016, selling 2,600 batteries in the first quarter to edge out Tesla, which confirmed earlier this month that it has sold 2,500 Powerwalls during the same period.
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