Van batteries can lose their charge for a diversity of reasons. Nevertheless, there are four frequent problems that can antecedent a battery to filter slowly. Whether your battery was running pleasant the latest chronology you drove and at the moment won't depart the motorcar, one of the adjacent problems may be to blame.
Parasitic Drain
Provided your ignition is turned off however the electrical devices such as your radio presets, security alarms or clocks keep up to bound, it can extract your battery. This type of remove is called a parasitic void. Parasitic drains below 75 milliamps are commonplace, on the other hand any parasitic empty over 75 milliamps Testament void the battery quickly. The most banal causes of parasitic bleed are under hood lights, Timber lights, headlights or glove box lights that discharge not turn off when the door is closed. Relay switches that are stuck in the "on" position can very end a battery to extract.
Bad Charging System
A defective charging course Testament bleed the battery while the van is running. When an alternator is not pushing out enough voltage, which should be between 13.5 and 14.5 volts, the battery will drain quickly. This is especially true if you play the radio and lights while driving. Once the car battery drains completely, the headlights and radio will not operate. The car will stall and not start again until the battery is charged.
Bad Alternator Diodes
Old Battery
Batteries that are old or have been drained continuously may not hold a full charge anymore. The rule of thumb for replacing a battery is every four to five years. However, some batteries can last years longer if taken care of and not run down while the charging system is not running. Batteries that are allowed to freeze over an extremely cold winter may also have problems holding a charge.Alternators with bad diodes can cause battery drain. An alternator with a good diode allows current to flow in one direction. A bad diode can leak and allow the current to flow in the opposite direction. When this happens, it may keep the charging circuit on after the vehicle engine is shut off, which will cause the battery to drain.
