A brief discussion of the history of EV charging technology
Setec Powerr
DECEMBER 5, 2022
The 6kW Wattstation, introduced in 1910, was the earliest prototype of charging equipment for electric cars, and the mercury rectifier was still used to convert AC to DC. From the information at the time, it had a separate billing system and could draw up to 150 amps to charge the lead-acid 48V batteries of the time.
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