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  2. Jump start (vehicle) - Wikipedia

    en.wikipedia.org/wiki/Jump_start_(vehicle)

    Boosting a dead battery through a battery charger can take anywhere from five to twenty minutes depending on the depth-of-discharge (DOD), health of the vehicle battery, and type of engine (engine displacement). AC power is not usually available for a roadside boost. Jump starters are portable battery devices that allow for jump starting of ...

  3. Dead Battery? Don't Fret—Here's How to Jump-Start Your Car

    www.aol.com/dead-battery-dont-fret-heres...

    How To Jump-Start Your Car: A Step-By-Step Guide Step 1: Park the second vehicle close to the one that needs a jump. Park the car with the good battery nose to nose with the one needing a jump ...

  4. Garage door opener - Wikipedia

    en.wikipedia.org/wiki/Garage_door_opener

    The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

  5. Load dump - Wikipedia

    en.wikipedia.org/wiki/Load_dump

    If the battery becomes disconnected while it is being charged the load on the alternator suddenly decreases. However, the vehicle's voltage regulator cannot quickly cause the field current to decrease sufficiently, so the alternator continues to generate a large current. This large current causes the voltage on the vehicle bus to increase ...

  6. This #1 bestselling smart garage door opener is down to $23 ...

    www.aol.com/lifestyle/win-shoppers-amazon...

    The Chamberlain MyQ Smart Garage Door Opener comes with Amazon Key—the retailer’s in-garage delivery service. It’s a life-changer that protects against bad weather, theft and damage.

  7. Automobile auxiliary power outlet - Wikipedia

    en.wikipedia.org/wiki/Automobile_auxiliary_power...

    The actual voltage, matching the car battery's voltage, will be approximately 12.5 volts when dormant (less in cold conditions), approximately 14.5 volts when the engine and the alternator/generator are operating (more when cold), and may briefly drop as low as 5–6 volts during engine start due to the high temporary battery current usage. [12]

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