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2. 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 , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

3. Metal rectifier - Wikipedia

   en.wikipedia.org/wiki/Metal_rectifier

   A number of rectifier discs would need to be used in series to provide an adequate reverse breakdown voltage figure – a bridge rectifier for a 12V battery charger would often use 12 metal rectifiers. Selenium rectifiers were generally more efficient than metal-oxide types, and could handle higher voltages.

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. Electric cars in winter: How cold weather affects EV range ...

   www.aol.com/electric-cars-winter-cold-weather...

   Yuasa, a producer of 12-volt car batteries, says: “Cold temperatures directly affect the performance of car batteries. In fact, at zero degrees celsius a battery will lose about 30 per cent of ...

6. Automobile auxiliary power outlet - Wikipedia

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

   In Europe, 12 volt plugs and sockets are not specially regulated and do not require approvals for the CE mark. [citation needed] The male plug is sometimes used to feed power into a vehicle to recharge its battery because it usually has no regulatory circuitry between the outlet and the car battery. For instance, portable solar battery ...

7. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   The energy used to charge rechargeable batteries usually comes from a battery charger using AC mains electricity, although some are equipped to use a vehicle's 12-volt DC power outlet. The voltage of the source must be higher than that of the battery to force current to flow into it, but not too much higher or the battery may be damaged.