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Help from the electrical people please
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<blockquote data-quote="Scott F" data-source="post: 452102" data-attributes="member: 23059"><p>Brand new batteries may have 120 amp hour ratings, but depending on their age and how well they’ve been maintained, that number may drop. Also, the rate of discharge on the batteries, as you’ve seen is not linear. As a battery is used up, the voltage drops. As the voltage drops, the amperage draw increases so the battery will drain faster than it did when the batteries were fully charged. How many total batteries are you using now? Your best bet is to purchase a digital volt meter for each set of batteries. Also, if you are running out of juice, you may need to connect more batteries. An Amp meter showing what the actual amp draw is at any time might give you more information as to what is going on on your boat. One last thing, what kind of battery charger are you using? Does it fully charge all your batteries? Are all the batteries the same age and condition?</p></blockquote><p></p>
[QUOTE="Scott F, post: 452102, member: 23059"] Brand new batteries may have 120 amp hour ratings, but depending on their age and how well they’ve been maintained, that number may drop. Also, the rate of discharge on the batteries, as you’ve seen is not linear. As a battery is used up, the voltage drops. As the voltage drops, the amperage draw increases so the battery will drain faster than it did when the batteries were fully charged. How many total batteries are you using now? Your best bet is to purchase a digital volt meter for each set of batteries. Also, if you are running out of juice, you may need to connect more batteries. An Amp meter showing what the actual amp draw is at any time might give you more information as to what is going on on your boat. One last thing, what kind of battery charger are you using? Does it fully charge all your batteries? Are all the batteries the same age and condition? [/QUOTE]
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Help from the electrical people please
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