They also typically last longer than flooded batteries. They can take the heat, leak proof, they are truly sealed, they charge up to 5 times quicker, discharge at a much slower rate than flooded batteries, and can also take a lot of vibration. Go figure.Īnyway, I decided to go with an AGM (absorbent glass mat) battery. Regens always seem to happen when we are parking the car, even though the car just had a one hour commute. I'm fully convinced that the excessive engine bay heat (more than likely from the regens) combined with high amperage loads from the cooling fans / electronics when the engine is turned off aren't helping. So, I went on a quest to find a battery that would hopefully last longer than three years. Charged again, installed in the car and measured voltage while starting the engine. Resting voltage around 12.6 (out of the car). I just serviced the battery and the hydrometer was borderline between FAIR and GOOD. Our 2012 Golf just celebrated her third birthday yesterday.
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May 2023
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