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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. Cutoff voltage - Wikipedia

   en.wikipedia.org/wiki/Cutoff_voltage

   The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...

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. State of charge - Wikipedia

   en.wikipedia.org/wiki/State_of_charge

   In a battery electric vehicle (BEV), the state of charge indicates the remaining energy in the battery pack. [4] It is the equivalent of a fuel gauge.. The state of charge can help to reduce electrical car's owners' anxiety when they are waiting in the line or stay at home since it will reflect the progress of charging and let owners know when it will be ready. [5]

7. Self-discharge - Wikipedia

   en.wikipedia.org/wiki/Self-discharge

   Self-discharge is a phenomenon in batteries. Self-discharge decreases the shelf life of batteries and causes them to have less than a full charge when actually put to use. [1] How fast self-discharge in a battery occurs is dependent on the type of battery, state of charge, charging current, ambient temperature and other factors. [2]

8. 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 ...

9. Lithium iron phosphate battery - Wikipedia

   en.wikipedia.org/wiki/Lithium_iron_phosphate_battery

   The energy density (energy/volume) of a new LFP battery as of 2008 was some 14% lower than that of a new LiCoO 2 battery. [46] Since discharge rate is a percentage of battery capacity, a higher rate can be achieved by using a larger battery (more ampere hours) if low-current batteries must be used.