What can drain a car battery slowly?

What can drain a car battery slowly?

7 Things That Can Drain Your Car Battery

  1. You left your headlights on.
  2. Something is causing a “parasitic draw.”
  3. Your battery connections are loose or corroded.
  4. It’s extremely hot or cold outside.
  5. The battery isn’t charging while you drive.
  6. You’re taking too many short drives.
  7. Your battery is old.

Can I use a trickle charger on a AGM battery?

Severely discharging and leaving the battery discharged can cause harm and shorten life in AGM batteries. If you’re not going to use the battery for a week or more at a time, we highly recommend a charger maintainer (also called a trickle charger) to keep the battery from discharging.

Is there a problem with Honda Odyssey battery?

Check YouTube for checking parasitic battery drain 21 people found this helpful. You appear to have a parasitic drain problem. I had this on a 2008 as well as a 2014 Honda Odyssey van. What the problem was is that a AC relay fuse had gone bad.

When do power sliding doors on Honda Odyssey need to be reset?

The electric sliding doors (called power sliding doors by Honda) on your Odyssey van may need to be reset from time to time, particularly if the battery is replaced or disconnected for more than a few minutes. If your power sliding doors are not functioning correctly,…

What does it mean when your car battery is dead overnight?

You go out to your car and the battery is dead overnight, this can be frustrating to say the least especially when you are late to work or got the kids ready for school and ready to leave. When the battery looses its charge in the morning you could have a voltage drain in the electrical system which is called a parasitic draw.

Where are the AC relays on a Honda Odyssey?

I notice that there are 10 relays with the same part number as the AC relay. There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time.

Check YouTube for checking parasitic battery drain 21 people found this helpful. You appear to have a parasitic drain problem. I had this on a 2008 as well as a 2014 Honda Odyssey van. What the problem was is that a AC relay fuse had gone bad.

When does the ODY elite battery stop draining?

When the car is running, the battery should not be draining. We have a 2018 Ody Elite with the “more powerful” gel battery. When I had around 5k miles the battery died and could not be charged because I left the radio on for 20 minutes or so.

What causes a door module to lose power?

Most of these devices use a small battery to supply power. Opening a door or turning the ignition on with the main battery disconnected can cause the battery in the device to lose power as well. Door modules Loss of express-up feature due to loss of stored “pinch point”

What to do if your Honda Odyssey won’t start?

Well, it finally happened. My 2018 EX with 22,000 km wouldn’t start after sitting outside in -13 degree C (about 8 degrees F) temperatures for two days. I checked to make sure I didn’t leave anything on like dome lights etc. The start sequence includes turning on the windshield defroster before the car has actually started.