![]() So, when the magic eye tells you that the battery is in good condition but you can’t start your car, there are possibilities that the other plate compartments are in a bad shape. However, the magic eye will only show you the condition of a single plate compartment. These vent plugs are designed to fill the car battery which is made up of 5 to 6 individual plate compartments. ![]() If you notice, there are 5 to 6 vent plugs on top of a car battery. As the electrolyte gradually loses its charge, the ball will move further away from. But why can’t we rely 100% on the magic eye to tell the condition of a car battery? Construction Of A Car Battery The balls movement reacts when the batterys electrolyte is well-charged. So before your battery dies you can recharge it.Advantage of this circuit is it does. You can use this circuit with your inverter or with your car battery it will give you indication about your battery status. For example four LED's are glowing means battery capacity is 40 percent. Another phase is when the electrolyte is at a low level where you will see a clear magic eye.Ī pretty simple mechanics. Battery level indicator will let you know the status of battery of a device just by glowing the number of LED's. On the other hand, the ball will sink when the electrolyte is under-charged. The coloured ball will float when its surrounded by the well-charged electrolyte in the car battery. The colour you see in the magic eye’s indicator is actually a ball place inside the car battery. Only the head and ball of the magic eye are visible to you. Is this blog, we will explain to you the function of the magic eye and why you should not depend solely on its indicator. Sometimes you will come across a dead battery even when the magic eye is telling you that the battery is healthy. So, you’ll notice it as soon as it comes on and can begin troubleshooting the issue immediately. Overall, it’s a reliable indicator with several benefits, such as: It’s on the instrument panel alongside other warning lights. But how reliable is the magic eye indicator? The battery warning light is an indicator that turns on when the car senses a problem when recharging its battery. Unplug your phone too, since every little volt counts.The magic eye of a car battery is there to check on the condition of your car battery. It measures the specific gravity or density of the acid solution in the battery by floating or sinking. To eke out every minute of charge, turn off as many electronics as you can: radio, air conditioning, heated seats, even the headlights if it's daytime. There is a hydrometer built into that round window. Once you turn the engine off, it might not come back on again. Use whatever charge is remaining in the battery to get somewhere safe, either an auto repair shop or your home. If the battery isn't being charged, the electrical systems will start to fail. ![]() If there was enough juice for you to start the car, then you can safely drive the car on however much charge is remaining, but it won't last long - maybe 30 to 60 minutes max. Either way, it's something you want to check out. It could also mean there is a minor problem with the battery like corrosion. If it stays on while the car is running, it probably means there's something wrong with the alternator. The BDI essentially monitors the rate of fall of the battery voltage (on discharge) and provides appropriate alarms and controls when the battery is discharged. The battery light comes on when you start your car, and it might linger for a second or two, but it usually turns off pretty quickly. The primary purpose of a car battery is to start the engine by providing the initial power needed to turn the starter motor. So, the light is telling you "your alternator is not properly charging." It's not telling you "your battery is bad or needs to be replaced immediately." You don't have enough information yet. It looks like a little battery, or sometimes it says "Battery." A simple circuit looks at the voltage that the alternator is producing and turns the battery light on if that voltage is low. ![]() Because your car is so dependent on the battery, any car with a combustion engine and a 12-volt battery has a light on the dashboard that warns you if the recharging system fails.
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