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Element 82

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Deep Cycle batteries by definition are designed to produce current over an hourly rate. This rate is referred to as Capacity (C). When a battery capacity is expressed as C20 that's the total capacity discharged over 20 hours. In the case of a 200AH battery @ C20 that would be 200AH divided by 20 hours to give you a discharge figure of 10 Amps per hour for the 20 hours. These figures should be cross referenced against other brands as some quote 10 hour rates and others 100 hour. The tell tail test is the weight of the battery if it's lighter but claims higher performance figures it's either not a deep cycle battery or they aren't telling the truth or possibly the battery will only last 3 years and not 5 or more like you'd hope.

From the example above when the capacity is discharged quicker than 10 Amps then the total AH available reduces because the cost to the battery for expelling energy quicker is that it takes more energy to give more energy quicker. In other words, if a marathon runner could run 20Km's at a steady pace but you ask him to sprint in the middle he isn't going to make it to the finish line but he might make 19Km before exhaustion.

How long will your batteries last? A question with two meanings!
The AH (capacity) or length between recharges is dependent on what devices & how much power you discharge and over what period of time. (see amp hour ratings) The ambient temperature plays a part because the colder it is the less capacity you have. And lastly the state of charge and your end voltage cutout. if your battery was fully charged and you discharge to 50% then you'll have half the rated capacity. To help the battery last longer we'd hope you'd aim for an end voltage of say 12.2 or 50% SOC before you recharge.

That last sentence is the second part to this question with two means; The further or deeper you discharge a battery the fewer times it can be recharged before it is considered to of performed it's life cycles. So the deeper you go the sooner you will need to replace. As a guide 0.25 volts is 25% of the battery capacity.

A batteries capacity reduces during it's life just like a marathon runner can't run as far at the same speed they used to. A batteries usable life is considered used when it's capacity is 80% of what it was new. This comes about because of the number of cycles used; where the chemical reaction that generates energy is exhausted or when the battery isn't cycled heavily but is nearing it's design life. At that point the acid's aren't as strong and the lead is going hard making the chemical processes difficult to produce power. If your battery was over-sized when new and you don't consume much power you might not see these effects for many many years.

MCA FCD12-80DC

MCA 12 volt 80AH @ 20Hr Rate Deep Cycle Battery for Mobility, Lighting, UPS, motor home applications. 2 Year Warranty   MCA 12 volt 80AH @ 20Hr Rate Deep Cycle Battery for Mobility, Lighting, UPS, motor home applications. 2 Year Warranty
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MCA FCD12-24DC

MCA 12 volt 24AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. Cyclic Warranty   MCA 12 volt 24AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. Cyclic Warranty
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MCA FCD6-225DC

MCA 6 volt 225AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty.   MCA 6 volt 225AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty.
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MCA FCD6-210DC

MCA 6 volt 210AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty. GC2 Case size for T-105 or R220, R232 replacements   MCA 6 volt 210AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty. GC2 Case size for T-105 or R220, R232 replacements
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MCA FCD12-55DC

MCA 12 volt 55AH @ 20Hr Rate Deep Cycle Battery for Mobility and Lighting applications. 2 Year Warranty   MCA 12 volt 55AH @ 20Hr Rate Deep Cycle Battery for Mobility and Lighting applications. 2 Year Warranty
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MCA FCD12-220DC

MCA 12 volt 220AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty.   MCA 12 volt 220AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year warranty.
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MCA FCD12-35DC

MCA 12 volt 35AH @ 20Hr Rate Deep Cycle Battery for Mobility Market with 2 year cyclic warranty. Replacement U1 size   MCA 12 volt 35AH @ 20Hr Rate Deep Cycle Battery for Mobility Market with 2 year cyclic warranty. Replacement U1 size
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MCA FCD12-40DC

MCA 12 volt 40AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. 2 Year Warranty   MCA 12 volt 40AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. 2 Year Warranty
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MCA FCD12-260DC

MCA 12 volt 260AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year Warranty. The largest cap. 12V battery on the market today at 77Kg its a handful.   MCA 12 volt 260AH @ 20Hr Rate Deep Cycle Battery for Motor home and Marine applications. 2 Year Warranty. The largest cap. 12V battery on the market today at 77Kg its a handful.
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MCA FCD12-100DC

MCA 12 volt 100AH Deep Cycle series battery. BCI Group 27 sized battery. 305mm long with 2 year warranty   MCA 12 volt 100AH Deep Cycle series battery. BCI Group 27 sized battery. 305mm long with 2 year warranty
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MCA FCD12-110DC

MCA 12 volt 110AH Deep Cycle series battery. BCI Group 31 sized battery. 331mm long with 8mm Terminal Bolt Inserts   MCA 12 volt 110AH Deep Cycle series battery. BCI Group 31 sized battery. 331mm long with 8mm Terminal Bolt Inserts
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MCA FCD12-135DC

MCA 12 volt 135AH Deep Cycle series battery. 341mm long but with a little extra height you get an extra 20% capacity. Ideal where you have no height restrictions.   MCA 12 volt 135AH Deep Cycle series battery. 341mm long but with a little extra height you get an extra 20% capacity. Ideal where you have no height restrictions.
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MCA FCD12-150DC

MCA 12 volt 150AH Deep Cycle battery. At 484mm long but only 171mm wide its a long skinny battery for narrow spaces or instances where you've but 2 batteries in parallel to get more reserve capacity.   MCA 12 volt 150AH Deep Cycle battery. At 484mm long but only 171mm wide its a long skinny battery for narrow spaces or instances where you've but 2 batteries in parallel to get more reserve capacity.
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MCA FCD12-200DC

MCA 12 volt 200AH. Narrower than a N150 they could be the perfect battery for deep cycle and cranking solution in one.   MCA 12 volt 200AH. Narrower than a N150 they could be the perfect battery for deep cycle and cranking solution in one.
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MCA FCD12-20DC

MCA 12 volt 20AH @ 20Hr Rate Deep Cycle Battery for Golf Trolley or traffic signal installations. 2 Year cyclic warranty.   MCA 12 volt 20AH @ 20Hr Rate Deep Cycle Battery for Golf Trolley or traffic signal installations. 2 Year cyclic warranty.
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MCA FCD12-240DC

MCA 12V 240AH @ 20 Hr rate. A low height 8D battery is sometimes exactly what is needed in Euro Motorhome installations.   MCA 12V 240AH @ 20 Hr rate. A low height 8D battery is sometimes exactly what is needed in Euro Motorhome installations.
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MCA FCD12-26DC

MCA 12 volt 26AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. Cyclic Warranty   MCA 12 volt 26AH @ 20Hr Rate Deep Cycle Battery for Mobility and Emergency Lighting applications. Cyclic Warranty
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Featured Products

MCA FCD12-100DC

MCA 12 volt 100AH Deep Cycle series battery. BCI Group 27 sized battery. 305mm long with 2 year warranty   MCA 12 volt 100AH Deep Cycle series battery. BCI Group 27 sized battery. 305mm long with 2 year warranty
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