What is the difference between a heavy duty car battery and a deep cycle ?

Question

battery for the purpose of primarily starting a car and back up power. In my part of the world we increasingly have natural disasters, chances are events will occur when I am away from home or need to get home. With this in mind, I want more than a common car battery that is only good at one thing, starting the car. The other point is that I want to forget that I will need a battery for the life of the car which I intend to keep and maintain for the next 10 years. I have far more important things to consider. Your insight would be greatly appreciated.

Answer 1

Automotive batteries withstand providing a huge surge of power for short periods of time, but don't tolerate being fully discharged very well. Anything more than half discharging an automotive battery greatly shortens its life. Deep cycle batteries don't provide a huge surge of power (relative to the battery size) very well and trying to do so really shortens their life. But a deep cycle battery handles being fully discharged quite well. A deep cycle battery is much better for a steady current draw. Some boats that use a deep cycle battery for starting the engine will use a really big deep cycle battery (or two really big deep cycle batteries) considering the size of the engine, so the sudden draw of current to crank the engine is not so much relative to the size of the battery and then when the engine is off the battery can be used to power lights and trolling motors. If you want a really long lasting car battery, buy the biggest car battery you can fit in the car (low draw relative to battery size during cranking), but be sure to keep it charged if the car is parked for a long time (charge it at least every two weeks, preferably weekly). I have had a huge 800 cold cranking amp battery in a little Ford Ranger with a 4.0 liter for about 10 or 11 years now - still works fine.

Answer 2

Heavy Duty Car Battery

Answer 3

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RE:

What is the difference between a heavy duty car battery and a deep cycle ?

battery for the purpose of primarily starting a car and back up power. In my part of the world we increasingly have natural disasters, chances are events will occur when I am away from home or need to get home. With this in mind, I want more than a common car battery that is only good at one...

Answer 4

A deep cycle battery will only allow a certain amount of amps per hour, as a car battery will allow for instance 600 cold cranking amps, a heavy duty maybe 1200 cold cranking amps. The cca (cold cranking amps) are what the battery has available to start the car. A deep cycle battery only releasing a limited amount of amps PER HOUR is good for motor holmes and trailers that run a lot of lights and things and can go uncharged for a very long time.

Answer 5

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Without writing an entire book about battery technology, a basic cell consists of two dissimilar metals submerged in an acidic liquid or paste solution. The resultant chemical action provides an electrical voltage capable of supplying energy for a period of time. Due to chemical composition, some combinations are reversible (rechargeable) while others are permanently depleted. More than one cell constitutes a battery. For that reason, a D cell is just that, a cell. But a 9v battery actually consists of six 1½V cells. Various combinations of substances (metals, electrolytic solution, etc) provide different voltages. That's why carbon-zinc cells produce 1.5v, while NiCd only produces 1.2v. And lead-sulphur cells produce 2.3v. Alkaline batteries are basically the longtime carbon-zinc cells that use a more efficient (and a little more expensive) alkaline paste for the electrolytic paste. Commonly, they are not rechargeable. NiCd, or Ni-cad, are nickel-cadmium cells, and are rechargeable. Due to the buildup of cadmium crystals during usage, heavy-duty NiCd's often required complete discharge and recharge to break down the crystals to undo "voltage memory". Rarely was it a problem with light-duty cells such as used in consumer products. Still, NiCd's have been replaced with the more efficient NiMh (nickel-metal hydride) cells that are not susceptible to such problems. Contrary to popular belief, deep discharge and recharge are NOT good for the overall life cycle of rechargeable batteries. And lastly, lead acid batteries (or lead-sulphur) are another rechargeable type of battery. This is truly called a battery as it consists of six 2.3V cells to make up your car's 12V battery (13.8V in an unloaded condition). Again, deep discharge is not good for the extended life of your car's battery. There are certain, specially-designed Deep Cycle batteries for use in boating equipment, or for electric golf carts, etc that can survive the constant depletion and recharge better.

Answer 6

The higher the AH rating the better-But the moment you purchase a new battery it is loosing its electrons from the led! when they are gone its time for a new battery! a long life battery will have more led -thus a larger reserve of electrons



Manufatures like to misslead you! it's all to do with the batterys AH rating for example a battery rated at 50AH can supply 12volts at 50 amps for 1 hour - 100amps half houer.....



http://www.windsun.com/Batteries/Battery_FAQ.htm

Answer 7

just to tell you, a battery doesn't only start a car, but it keeps it running. how do you think the fuel is ignited as the engine is running?

Answer 8

percival is correct, but got his rest voltages and charging voltages mixed up on the lead acid car batteries - the rest voltage is 2.1 V per cell -- the charging voltage is 2.3 V per cell. regards