RACV Deep Cycle Battery / CCA
Submitted: Monday, Mar 19, 2007 at 14:01
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Neilo
Hi. Has anyone had any experience with RACV's Deep Cycle Batteries? They are rated at $75ah but they only give a 6 month warranty.
Also, can some one please explain the CCA rating? I understand that it stands for Cold Crank Amps, i.e. how many amps it can supply, but how does one know how long it can supply these amps for???
Thanks Neilo
Reply By: Member - Phil G (SA) - Monday, Mar 19, 2007 at 19:25
Monday, Mar 19, 2007 at 19:25
Neilo,
These batteries would be made by someone like Exide, so the battery might be an Exide Endurance with a different sticker on the case (I'm guessing). So I'd expect them to be as good as anything else out there.
Battery ratings:
CCA tells you how good the battery is at starting the car, or powering a winch, so the more the merrier.
Ah gives a guide to how long the battery will run your fridge.
So for a wet cell deep cycle battery the CCA doesn't matter. The 75Ah is a guide to capacity (about normal for this size battery).
If you buy a wet cell deep cycle battery, you only get a 6 month warranty. Thats because they are easily stuffed up by the average user. They need more volts to charge them than most vehicle alternators can deliver, so they can die an early death from sulphation.
If you buy a cranking battery, like the Exide Extreme, you'll pay the same money, get a battery with more CCA (so it starts the car easily), and it has 80Ah capacity and a 24 month replacement warranty.
Why would you buy a wet cell deep cycle battery??? I think they are a waste of money, but others don't and happily replace them regularly. I run a pair of Exide Extremes.
Cheers
phil
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