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<blockquote data-quote="Ded Driver" data-source="post: 443511" data-attributes="member: 12692"><p>An email response I just received from Jason Marshall at Betta Batteries (for charging a lead crystal battery, enquiry on a 100Ahr with a 40A charger)</p><p></p><p>Hi Shane</p><p>You don't have to charge it at 30% every time but you will need to occasionally. </p><p>I would use a 6-CNFJ-90 with a 25Amp DC to DC. This is "just" in the size window...but I would increase it to a 40 if you can. Keep in mind the 30% is the minimum.</p><p>I like the 40 because when the battery is flat you have enough current to run the fridge etc AND charge the battery. But don't be afraid to save A LOT and just use a 90 with a 25Amp DC to DC. We have hundreds and hundreds out there all over Australia and get very few failures. It's a good solid combo.</p><p>I say the 90 because that part number is the equivalent of a 100 AH AGM. Heaps of power in the 90s. Traditional AGM is flat at 12v, we (Betta LC) are at 50%?</p><p></p><p>Jason Marshall </p><p>Sales Manager - Australasia</p><p>Betta Batteries</p><p></p><p>+61 (0) 466 406 200</p><p>Jason@bettabatteries.com</p></blockquote><p></p>
[QUOTE="Ded Driver, post: 443511, member: 12692"] An email response I just received from Jason Marshall at Betta Batteries (for charging a lead crystal battery, enquiry on a 100Ahr with a 40A charger) Hi Shane You don't have to charge it at 30% every time but you will need to occasionally. I would use a 6-CNFJ-90 with a 25Amp DC to DC. This is "just" in the size window...but I would increase it to a 40 if you can. Keep in mind the 30% is the minimum. I like the 40 because when the battery is flat you have enough current to run the fridge etc AND charge the battery. But don't be afraid to save A LOT and just use a 90 with a 25Amp DC to DC. We have hundreds and hundreds out there all over Australia and get very few failures. It's a good solid combo. I say the 90 because that part number is the equivalent of a 100 AH AGM. Heaps of power in the 90s. Traditional AGM is flat at 12v, we (Betta LC) are at 50%? Jason Marshall Sales Manager - Australasia Betta Batteries +61 (0) 466 406 200 Jason@bettabatteries.com [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
Deep Cycle Battery brands, types, systems & installations
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