If you’re like most drivers, you probably check your car’s battery gauge at least once a day. But what do all those little numbers mean? And how can you tell if your battery is in trouble? The battery gauge in your car usually consists of three numbers: the current charge level, the estimated charge level (based on how long the car has been running since it was last charged), and the “empty” or “low” charge level. The current charge level is always shown in either amps (A) or volts (V). The estimated charge level is based on how long the car has been running since it was last charged. The “empty” or “low” charge level is usually shown in milliamps (mA). Here’s how to read each number: ..
