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What is battery amperage? Although it is the most popular term, the term 'amperage' refers to nominal capacity, which is nothing more than the amount of electrical energy that the battery can supply at 25°C for 20 hours until the voltage at its terminals reaches 10.5V. According to the International System of Units, the ampere is the unit of measurement for electrical current. It symbolizes the battery's capacity to store and distribute energy during discharge to the car's electrical system every hour. However, this perception of how a battery works inside can be a little opaque. Just know that the higher the part's ampere, the more power the battery will have to meet the vehicle's energy demands. This includes the starter motor and/or Start & Stop, for example. If a car has many energy-dependent devices in its system, it will need a battery with a high amperage. There needs to be sufficient energy distribution so that none of the components are affected when the entire electrical assembly is in full operation. What is the function of amperage in a car? Battery amperage is a measure of its energy and is based on its consumption in relation to expenditure/hour. It is the force that the battery has to exert to distribute electricity to various components of the car. Therefore, the more complete your car is, the higher the battery amperage will be. The values vary, but it is important to check them according to the changes to the car. Installing components that are not original can consume more energy. A low-charge battery can also cause failures in both the electrical and electronic systems of your car. Therefore, pay attention to the type of car you have. This measurement is important so that you can identify which is the best battery for your vehicle. However, if you have any doubts, take a look at the car manual, as the battery is specified by the manufacturer. In a car, battery amperage can even affect the operation of the engine, sound system or headlights. If you make any adjustments to your vehicle and install electrical accessories, you will have to replace the car's alternator with a stronger one with higher amperage for everything to work properly. Another warning is that while voltage refers to tension (electrical potential between two points), battery amperage refers to current, that is, the ordered flow of particles carrying electrical charges. Therefore, the higher the voltage, the more energy can flow, even if the battery amperage is the same. LEAVE YOUR COMMENT, LIKE, PRESS THE BELL, SUBSCRIBE, SHARE WITH YOUR FRIENDS AND THANK YOU. Escotec professional qualification Bueno professional training group Professional training Bueno group Escotec professional qualification Escotec video lesson How to measure the amperage of a battery TOP DIY tip