How long should a Subaru car battery last?
between 3 to 5 years
Your Subaru Outback battery will typically last between 3 to 5 years, but that can vary heavily depending on weather conditions type of battery, battery size, and driving habits. Even still, just because your battery isn’t completely dead, doesn’t mean it’s operating at optimal levels.
What should the draw be on a Subaru parasitic battery?
Make sure your voltmeter is set to milliamp (mA) setting. Connect the test leads of your voltmeter to the negative battery cable and the negative battery post. Remove the bypass wire you installed in Steps 2 and 3 and measure the current draw. After the five-minute stabilization period, the measured draw should be a maximum of 150 mA.
Why is my Subaru Legacy battery draining while driving?
If your battery is draining while driving, it is almost without exception the Legacy’s alternator that is causing the problem. If it is you should see the battery or alternator light on, it indicates that the alternator is not creating the necessary voltage to charge the battery.
What to do during a parasitic battery draw?
During this time, be sure the glove box door, trunk, tailgate and all vehicle doors are closed and their corresponding lamps are off. Also, be sure that the head lamps, fog lamps and all switches are off. The ignition key needs to be removed, and the doors must be locked (make sure not to lock the keys in the car).
Make sure your voltmeter is set to milliamp (mA) setting. Connect the test leads of your voltmeter to the negative battery cable and the negative battery post. Remove the bypass wire you installed in Steps 2 and 3 and measure the current draw. After the five-minute stabilization period, the measured draw should be a maximum of 150 mA.
When to disconnect battery from parasitic drain?
If you’re too busy during the workweek and can’t get to it until you’re off, some short term fixes are to disconnect the battery at night, and carry a portable jump starter in your vehicle.
If your battery is draining while driving, it is almost without exception the Legacy’s alternator that is causing the problem. If it is you should see the battery or alternator light on, it indicates that the alternator is not creating the necessary voltage to charge the battery.
During this time, be sure the glove box door, trunk, tailgate and all vehicle doors are closed and their corresponding lamps are off. Also, be sure that the head lamps, fog lamps and all switches are off. The ignition key needs to be removed, and the doors must be locked (make sure not to lock the keys in the car).