A defective alternator Testament antecedent your vehivle's battery to discharge.
In method for the battery perform reliably, your automobile must recharge it every day you impel. Usually, the charging system automatically keeps the battery ready at all times. Distinct electrical problems can void the battery and prevent the machine's usual action.
Starter
Your battery's top precedence is starting the machine. Its design produces large amounts of current for short periods. Continued attempts to begin a reluctant engine can drain the battery completely.
In hot weather, if you don't drive the car for several days, the battery slowly loses its charge. During this time, accessories such as clocks and electronic equipment will also drain the battery.
Charging System
Defects in the charging system can either drain the battery or prevent it from recharging. Problems with the alternator, its diodes, the voltage regulator or relay reduce the system's ability to recharge the battery.
