Usually it means that the alternator isn't charging the battery. Batteries store electricity and the alternator uses energy from the engine to produce electrical energy for all of the devices in the vehicle and to recharge the battery. If the alternator isn't working the battery will eventually loose it's charge and you will not be able to start the vehicle.
the battery light means that your battery is being charged properly. so let it light.
Your battery is not being charged
alternator is not charging battery, or loose - corroded connection on battery cables
That typically means that the alternator is not functioning.
Your battery isn't being charged or accepting a charge
Your alternator is defective and not recharging the battery. Have the alternator checked.
battery is loosing power, probably there is power thief
The alternator is over or under charging.
most likely the alternator is bad.
There is problem with the charging system.
A low battery can cause the electrical system to flash check engine lights
It indicates that your battery is not being charged and that you need to have the electrical system checked.
If your engine is running , and the battery light comes on , that indicates that your battery is not being charged
Most cases the battery light comes on because the alternator isn't charging. The alternator may need replaced as well as the battery. It may be something more simple as a poor connection.
have an alternator, battery, and electrical check to find out what the problem is. battery may not be taking a charge, or the alternator is not putting out enough voltage.
it means the light on a battery of a computer or cell phone
It is possible that your alternator might be going out. It also could be a problem with your battery. You should have it checked by a professional or you could be stranded .
There appears to be a problem with 2001 Hyundai Accent electrical system. IE: When I turn on my ignition, the radio comes on. Have checked.
Very confusing question. I assume you mean what light comes on when the batteries is defective. If that is the case then the red battery warning or charging system warning light may come on. And then again the light may not come on at all. The light is there to warn you about a problem with the charging system and not necessarily with the battery.
What does it mean when the airbag light and battery light on 1999 Ford Escort flashes?
Defective alternator or bad wiring.
The battery light means your battery is low. You should go to a mechanics.
Malfunction in the charging system. Could be bad battery, defective alternator, loose belt, corroded cable.
The battery light usually comes on if there is a charging system problem Either battery or alternator are the usual causes.
It means there is a problem with the charging system. Normally this means the alternator has failed.