Testing a battery's performance and reserve (or amp-hour) capacity is not just a matter of seeing whether it will hold a charge (or checking the electric eye found on some batteries to see if it is green), so testing is best done by an auto technician at a repair shop. A professional can also determine if any problems you are having may be caused by something else, like your battery terminals or alternator. If a bad battery is the culprit, your mechanic will help you choose and install an appropriate replacement.
All batteries, even those using gel instead of electrolyte lose charging capacity as the time passes. The reason for this is that the chemical breakdown of the connections inevitably takes place leading to the deterioration of the plates and loss of the electrolyte. When your vehicle has start up or charging problems, the vehicle troubleshooting procedure should start with a test of the battery. You do that with a visual check followed by a voltage test. If the battery is ok, other components of the electrical system is probably the reason, but battery problems are by far the most likely reason.
The battery bumpers it from the electrical demands of the car, and it merely works sufficiently to uphold system voltage. By the side of the highest point of effectiveness and competence and for its durability, the alternator is ought to be charging not exceeding half of the time. By checking out all simple circuits first can to the highest degree decrease your troubleshooting time and needless replacement of your alternator or auto electrical repairs. You can always ask the assistance of the auto electricians in order for you to fully understand the different matters with regard to alternators and its maintenance. All in all, your vehicles electrical structure should be entirely maintained and preserved every two years or at whatever time auto electrical repairs for any type of drive ability breakdowns occur.
Light bulb: this invention is of course, revolutionary in all. The bulb replaced the gas-oil lamps which drivers hanged in the side of the car. Needless to say that it gave the driver the possibility of night driving thus more autonomy and safety on the road. The first bulbs that were used had a short life-span, but gradually built up to today ones that are enduring, long lasting and give us a comfortable night drive.