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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. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   For example, for a battery with a capacity of 500 mAh, a discharge rate of 5000 mA (i.e., 5 A) corresponds to a C-rate of 10C, meaning that such a current can discharge 10 such batteries in one hour. Likewise, for the same battery a charge current of 250 mA corresponds to a C-rate of C/2, meaning that this current will increase the state of ...

4. 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 ...

5. 5 simple iPhone tricks that will make your battery last way ...

   www.aol.com/news/2015-07-22-5-simple-iphone...

   Bluetooth, WiFi and cellular data (3G-4G) are awesome to keep you connected to the world, but they drain your battery like nothing does (except maybe the camera app or a video).

6. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   If a battery has been completely discharged (e.g. the car lights were left on overnight) and next is given a fast charge for only a few minutes, then during the short charging time it develops only a charge near the interface. The battery voltage may rise to be close to the charger voltage so that the charging current decreases significantly.

7. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.

8. Tell-tale (automotive) - Wikipedia

   en.wikipedia.org/wiki/Tell-tale_(automotive)

   The battery will then discharge, disabling the car. The light normally appears when the vehicle ignition is turned on, but the engine is not running, as it detects that no power is coming from the alternator (the alternator is powered off the engine so only generates when the engine is running).

9. Lead–acid battery - Wikipedia

   en.wikipedia.org/wiki/Lead–acid_battery

   Consider a battery that has been completely discharged (such as occurs when leaving the car lights on overnight, a current draw of about 6 amps). If it then is given a fast charge for only a few minutes, the battery plates charge only near the interface between the plates and the electrolyte.