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<blockquote data-quote="screwballl" data-source="post: 181220" data-attributes="member: 4837"><p>Look at the CCA or MCA rating, and divide that by 20 for your Amp hour (Ah) rating. This will be more useful for trolling motors. You can have a 1100CCA battery at 55Ah that may only be a 24 series, just as you can have a 31 series at 800CCA that would only give 40Ah. Series generally just refers to weight of the battery.and heavier batteries have a longer overall life, regardless of their CCA/Ah ratings.</p><p></p><p>Example:</p><p>My battery has 825 CCA, which comes out to approx. 41 Ah. Since most trolling is done low speed, at 5A low speed draw, that is 8+ hours.</p><p></p><p>Mine is a MK Endura 36 with Max draw 34A, so if I ran mine at the highest speed with lots of wind and water and weed resistance, I would get 60-90 minutes out of it.</p></blockquote><p></p>
[QUOTE="screwballl, post: 181220, member: 4837"] Look at the CCA or MCA rating, and divide that by 20 for your Amp hour (Ah) rating. This will be more useful for trolling motors. You can have a 1100CCA battery at 55Ah that may only be a 24 series, just as you can have a 31 series at 800CCA that would only give 40Ah. Series generally just refers to weight of the battery.and heavier batteries have a longer overall life, regardless of their CCA/Ah ratings. Example: My battery has 825 CCA, which comes out to approx. 41 Ah. Since most trolling is done low speed, at 5A low speed draw, that is 8+ hours. Mine is a MK Endura 36 with Max draw 34A, so if I ran mine at the highest speed with lots of wind and water and weed resistance, I would get 60-90 minutes out of it. [/QUOTE]
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