The thrill of speed is adored by millions of car lovers, which is why we have created this list of the 5 fastest cars in the world to satisfy your hunger. [photo credit Dan DeChiaro, Flickr ]. 5th on our list is the SSC Ultimate Aero with a 1,287hp 6.8 liter twin-turbo V8 engine and a verified speed of 256.18mph.
For example, if 300 amps were consumed for two seconds to start a car from a fully charged battery, it will take an 80 amp charging system approximately nine seconds to replace the power used.If 25 amps are available to recharge the battery, it will take 12 minutes and 30 seconds at one amp.With a dead 120 minute RC battery, it would take approximately 45 minutes at 80 amps, 2.4 hours at 25 amps, or 60 hours at one amp to obtain a 90% State-of-Charge.or example, if 300 amps were consumed for two seconds to start a car from a fully charged battery, it will take an 80 amp charging system approximately nine seconds to replace the power used.
Last updated: June 2012. Larger portable jump-starting devices that clamp to a car's battery have become common in the past few years. But even smaller devices, which plug into a car's power outlet, are now on the market. These devices, which cost between $20 and $50, do not instantly start your car. They take 5 to 10 minutes to charge your battery when it's low. But our testing in four vehicles of various sizes with drained batteries showed that only two of four portable jumpers, the Black & Decker Simple Start, $40, and the Schumacher e-Charge EC-4000, $50, worked on all the vehicles.