Testing a 12V battery with a multimeter is one of the most effective and simplest ways to check the battery’s health. Whether you’re diagnosing issues with a car battery, a deep cycle battery, or any other 12V system, a multimeter provides a clear reading of the battery’s voltage, helping you decide whether it needs to…

Car batteries are essential components in modern vehicles. As the power source for every car, they provide the electrical energy needed to start the engine and ensure the smooth operation of the vehicle’s electronic systems. But have you ever wondered why nearly all cars use 12V batteries? What’s the science behind this choice? And do…