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Outdoor & Recreation
Camping
DEEP CYCLE BATTERIES and BUSH POWER
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<blockquote data-quote="condor22" data-source="post: 114532" data-attributes="member: 1932"><p>Differences.....</p><p></p><ul> <li data-xf-list-type="ul">Typically the bulk charging voltages are; 14.1V (GEL), 14.4V (AGM), 14.7V (WET), 14.7V (CALCIUM)[/*]</li> <li data-xf-list-type="ul">Typical Absorption voltages 14.2 to 15.5 depending on battery type.[/*]</li> <li data-xf-list-type="ul">Typical Float voltages 12.8 to 13.2 again depending on battery type.[/*]</li> </ul><p></p><p>However, most good quality 3 stage chargers have a mode switch or function that allows the user to choose their battery type and the charger does the rest automatically.</p><p></p><p>How big a charger do I need? The rule of thumb is C/5 or capacity divided by 5.</p><p>So for a 100AH battery a 20A charger is the choice. But batteries come in different sizes, 1/5th of an 80AH is 16A and 1/5th of a 120AH is 24A.</p><p></p><p>My choice would be to get the closest charger size to the calculated amount erring to next size up. Most chargers come in 5, 10, 20, 30, 40 or 50A sizes.</p><p></p><p>As I said before if it's way to small it may never fully charge and if it's way too big you'll bugger the battery.</p><p></p><p>Next post - How you power your charger.........</p></blockquote><p></p>
[QUOTE="condor22, post: 114532, member: 1932"] Differences..... [list=*] [*]Typically the bulk charging voltages are; 14.1V (GEL), 14.4V (AGM), 14.7V (WET), 14.7V (CALCIUM)[/*] [*]Typical Absorption voltages 14.2 to 15.5 depending on battery type.[/*] [*]Typical Float voltages 12.8 to 13.2 again depending on battery type.[/*] [/list] However, most good quality 3 stage chargers have a mode switch or function that allows the user to choose their battery type and the charger does the rest automatically. How big a charger do I need? The rule of thumb is C/5 or capacity divided by 5. So for a 100AH battery a 20A charger is the choice. But batteries come in different sizes, 1/5th of an 80AH is 16A and 1/5th of a 120AH is 24A. My choice would be to get the closest charger size to the calculated amount erring to next size up. Most chargers come in 5, 10, 20, 30, 40 or 50A sizes. As I said before if it's way to small it may never fully charge and if it's way too big you'll bugger the battery. Next post - How you power your charger......... [/QUOTE]
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Outdoor & Recreation
Camping
DEEP CYCLE BATTERIES and BUSH POWER
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