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<blockquote data-quote="loopkiller" data-source="post: 5697646" data-attributes="member: 601690">First off, your issue is the battery type, not that it is necessarily defective. The reason why letting it sit for a period of an hour or so helps is because it gives it some time to cool back down and allow the electrolyte to remix. Usually batteries give more power when warm, but they also empty at a faster rate as well. So there is a phenomenon that happens there. A cold battery will give you less current, but it will take much longer to empty it. A hot battery will give you much more current, but it will take an exponentially shorter time to empty it. That short period maybe only a second in some circumstances. You need to monitor your voltages with a DMM when having these types of problems.Now what you need is a better battery. Any of the major brand AGM batteries will be a big upgrade for you. The largest you can buy for the stock location should be a good start. Monitor your voltage at the amp after installing it to see if you need another in the rear.The reason you may not see any dimming might be because you never see a higher voltage. If your voltage in your car is always low, you won&#039;t see the brightness potential of the headlights which make the dimming more pronounced.I also see that you are from the Philippines, so finding an Autozone might be a little hard for you. I have never been to the Philippines, but I am sure you have auto parts stores of some type. Ask them if they do battery testing. Here in the USA it is a free service.</blockquote>

[QUOTE="loopkiller, post: 5697646, member: 601690"] First off, your issue is the battery type, not that it is necessarily defective. The reason why letting it sit for a period of an hour or so helps is because it gives it some time to cool back down and allow the electrolyte to remix. Usually batteries give more power when warm, but they also empty at a faster rate as well. So there is a phenomenon that happens there. A cold battery will give you less current, but it will take much longer to empty it. A hot battery will give you much more current, but it will take an exponentially shorter time to empty it. That short period maybe only a second in some circumstances. You need to monitor your voltages with a DMM when having these types of problems. Now what you need is a better battery. Any of the major brand AGM batteries will be a big upgrade for you. The largest you can buy for the stock location should be a good start. Monitor your voltage at the amp after installing it to see if you need another in the rear. The reason you may not see any dimming might be because you never see a higher voltage. If your voltage in your car is always low, you won't see the brightness potential of the headlights which make the dimming more pronounced. I also see that you are from the Philippines, so finding an Autozone might be a little hard for you. I have never been to the Philippines, but I am sure you have auto parts stores of some type. Ask them if they do battery testing. Here in the USA it is a free service. [/QUOTE]

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