Next on TV. 1  Road to the Runway Season 16 Wednesday Aug 16th, 11:02pm LIFE. 2  Road to the Runway Season 16 Thursday Aug 17th, 3:04am LIFE. 3  Social Thread: Road to the Runway Season 16 Thursday Aug 17th, 7:00pm New LIFE. 4  See All.
Problem is, given a typical electric car like the , it can take 15 hours to charge the battery from empty to its EPA-rated 75-mile range from that standard household source. Most plug-in cars have a J1772 port, letting them plug into public charging stations.
Assuming a typical lead-acid, 12 V car battery (typically at 13 V or so fully charged), and that it takes roughly 500 A over 3 seconds to start an engine, how long will it take to recharge the battery at any given charge rate? Over 3 seconds that's 19,200 joules.