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<blockquote data-quote="loopkiller" data-source="post: 5673599" data-attributes="member: 601690"><p>A slow charge will not fully charge the battery, period. If you don't think I am right, check this <a href="http://www.windsun.com/Batteries/Battery_FAQ.htm#Battery%20Charging" target="_blank">link</a> and educate yourself. This is battery 101 shit.</p><p></p><p>Here is an excerpt:</p><p></p><p></p><p>This is the type of charge you are getting with that trickle charger.</p><p></p><p></p><p>Fast charging is a combination of voltage and amperage. You must have a high enough voltage to reduce stratification and the charger must be big enough to handle the current draw of the given battery. 2A is never enough.</p><p></p><p>Here are the 3 charge cycles needed to properly charge your AGM battery:</p><p></p><p>1) BULK MODE - Fast charge @ 14.4v. The amperage draw will be determined by the depth of discharge (DOD) and size of the battery. An HC1400 will probably draw about 15A to 20A of current at 50% DOD. That puny little 2A charger will not even make a dent.</p><p></p><p>2) ABSORPTION MODE - Begins at 90% full charge. This mode is usually 13.6v. You will begin to see the amperage fall from the previous 15A to about 6A.</p><p></p><p>3) FLOAT MODE - Begins after 99% full charge and is 13.2v. This is to finish off the charge and is safe to leave the battery in this mode for storage. At this point the battery is probably drawing around 1A to 2A.</p><p></p><p>The charger you have only does step 3.</p><p></p><p></p><p>Most likely it will cost the average Joe at least $50 for the most basic proper charger at retail. Deals might be found during sales for less. Here are a few of the cheapest ones at Sears and Autozone that I would recommend. I could not find any at Walmart.com.</p><p></p><p><a href="http://www.sears.com/shc/s/p_10153_12605_02871225000P?vName=Automotive&amp;cName=Batteries+%26+Chargers&amp;sName=Battery+Chargers+%26+Boosters" target="_blank">$80 Sears</a></p><p></p><p><a href="http://www.autozone.com/R,1899948/store,1754/initialAction,accessoryProductDetail/shopping/accessoryProductDetail.htm" target="_blank">$60 Autozone</a></p></blockquote><p></p>
[QUOTE="loopkiller, post: 5673599, member: 601690"] A slow charge will not fully charge the battery, period. If you don't think I am right, check this [URL="http://www.windsun.com/Batteries/Battery_FAQ.htm#Battery%20Charging"]link[/URL] and educate yourself. This is battery 101 shit. Here is an excerpt: This is the type of charge you are getting with that trickle charger. Fast charging is a combination of voltage and amperage. You must have a high enough voltage to reduce stratification and the charger must be big enough to handle the current draw of the given battery. 2A is never enough. Here are the 3 charge cycles needed to properly charge your AGM battery: 1) BULK MODE - Fast charge @ 14.4v. The amperage draw will be determined by the depth of discharge (DOD) and size of the battery. An HC1400 will probably draw about 15A to 20A of current at 50% DOD. That puny little 2A charger will not even make a dent. 2) ABSORPTION MODE - Begins at 90% full charge. This mode is usually 13.6v. You will begin to see the amperage fall from the previous 15A to about 6A. 3) FLOAT MODE - Begins after 99% full charge and is 13.2v. This is to finish off the charge and is safe to leave the battery in this mode for storage. At this point the battery is probably drawing around 1A to 2A. The charger you have only does step 3. Most likely it will cost the average Joe at least $50 for the most basic proper charger at retail. Deals might be found during sales for less. Here are a few of the cheapest ones at Sears and Autozone that I would recommend. I could not find any at Walmart.com. [URL="http://www.sears.com/shc/s/p_10153_12605_02871225000P?vName=Automotive&cName=Batteries+%26+Chargers&sName=Battery+Chargers+%26+Boosters"]$80 Sears[/URL] [URL="http://www.autozone.com/R,1899948/store,1754/initialAction,accessoryProductDetail/shopping/accessoryProductDetail.htm"]$60 Autozone[/URL] [/QUOTE]
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