Car Battery Fully Charged But Car Not Starting. A battery that has sat for a month and then expended some energy trying to start the engine is not going to be fully charged. The second cheapest component in the entire charging system next to the cables is the belt so lets look at that first.
If your alternator is going bad then it will no longer be able to charge your battery. To get a true voltage reading of the cars battery it is important to measure the voltage after the car has been sat for a period with the engine off preferably overnight this provides you with the car battery open circuit voltage or also know as the resting voltage. After charging the battery with a CTEK trickle charger via the cigarette lighter socket the car started fine.
If it turns over but does not start its probably.
While the engine is running remove the negative cable from the battery. The first place to start when the vehicle will not start properly is to have the battery load tested this is a test checks the capacity of the battery to start the vehicle. This will be applied more to these types of models that I will put below but anyw. While you might think the battery is not the culprit some batteries store a small charge enough to start some of the electrical components but not the engine.
