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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

   A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

4. Trickle charging - Wikipedia

   en.wikipedia.org/wiki/Trickle_charging

   Trickle charging is the process of charging a fully charged battery at a rate equal to its self-discharge rate, enabling the battery to remain at its fully charged level. This state occurs almost exclusively when the battery is not loaded, as trickle charging will not keep a battery charged if current is being drawn by a load.

5. Hydraulic analogy - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_analogy

   To model the resistance and the charge-velocity of metals, perhaps a pipe packed with sponge, or a narrow straw filled with syrup, would be a better analogy than a large-diameter water pipe. Quantum mechanics : Solid conductors and insulators contain charges at more than one discrete level of atomic orbit energy , while the water in one region ...

6. JR Freight Class HD300 - Wikipedia

   en.wikipedia.org/wiki/JR_Freight_Class_HD300

   The Class HD300 (HD300形) is a hybrid diesel/battery Bo-Bo wheel arrangement switcher locomotive type operated by Japan Freight Railway Company (JR Freight) in Japan. [1] Following the delivery and evaluation of a prototype locomotive in March 2010, the first full-production locomotive entered service in February 2012. [2] [3]