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2. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   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 ...

3. Self-discharge - Wikipedia

   en.wikipedia.org/wiki/Self-discharge

   Self-discharge is a chemical reaction, just as closed-circuit discharge is, and tends to occur more quickly at higher temperatures. Storing batteries at lower temperatures thus reduces the rate of self-discharge and preserves the initial energy stored in the battery. Self-discharge is also thought to be reduced as a passivation layer develops ...

4. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   High-drain loads such as digital cameras can reduce total capacity, as happens with alkaline batteries. For example, a battery rated at 2 A·h for a 10- or 20-hour discharge would not sustain a current of 1 A for a full two hours as its stated capacity implies. The C-rate is a measure of the rate at which a battery is being charged or discharged.

5. 5 Things to Know About Your Car Battery - AOL

   www.aol.com/finance/5-things-know-car-battery...

   Tips to Help a Car Battery Last Longer: Avoid short trips: Drives of less than 30 minutes in city traffic or 15 minutes at highway speeds can strain a battery and shorten its lifespan. Keep your ...

6. Battery isolator - Wikipedia

   en.wikipedia.org/wiki/Battery_isolator

   A battery isolator helps to ensure that the starting battery has sufficient power to start the engine and recharge the batteries if, for example, loads on the auxiliary battery (e.g., refrigerator or navigation lights) cause it to be drained, or if an auxiliary battery fails. Isolators are also used in vehicles with large, high-power car ...

7. Electric car charging methods - Wikipedia

   en.wikipedia.org/wiki/Electric_car_charging_methods

   Constant voltage. Constant voltage charging is a widely used charging method involving constant voltage between the battery poles. The starter battery uses constant voltage charging when the vehicle is running. If the specified voltage constant value is appropriate, it can ensure that the battery is fully charged, while also minimizing gas and ...