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Old 22nd August 2016, 21:05   #841
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Default Re: Which is the Best Car Battery Brand?

^^^
So if I've understood it properly this time, the bigger battery will have a shorter life because
a) the (engine/ battery) bay temperatures will be higher (won't make the mistake of saying battery will run hotter),
and
b) the battery will be 'suboptimally' charged.

Trolling part:- leave for others to come to their own conclusion.

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Sutripta
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Old 23rd August 2016, 10:32   #842
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Default Re: Which is the Best Car Battery Brand?

Got the exide on my ride replaced with Amaron yesterday. I have had a good experience with Amaron and kind of bad with exide in the past. The exide lasted less than 4 years while I have been taking care to extend its life but this was disappointing. When the guy was changing the battery, I just asked him which one is he selling more these days, and his reply was Amaron. He said it sells a lot more than exide and is better too.
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Old 5th September 2016, 12:14   #843
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Default Re: Which is the Best Car Battery Brand?

Quote:
Originally Posted by lapis_lazuli View Post
"Bigger battery, shorter life, all other conditions identical": An emphatic Yes, in cases of repeated sub-optimal charge replenishment (one of the main causes), that too, while being simultaneously exposed to high ambient temperatures (aiding the earlier cause in brackets) in the engine bay, whence the cumulative degradation is more pronounced.

What do you mean by "it will run hotter?" Being exposed to high ambient temperature in its day to day life? HEAT is another CAUSE to the effect of degradation.
Quote:
Originally Posted by Sutripta View Post
So if I've understood it properly this time, the bigger battery will have a shorter life because
a) the (engine/ battery) bay temperatures will be higher (won't make the mistake of saying battery will run hotter),
and
b) the battery will be 'suboptimally' charged.
The debate of "Bigger battery = Shorter life" seems to have fallen by the way without definitive answers.

From what I have understood (and not understood - mentioned in brackets alongside):

- Bigger battery = suboptimal charging. (Why? Given that my car runs adequately, why should suboptimal charging be an issue? And why would my smaller battery be optimally charged if I have drained it as much as a bigger battery?)

- Heat kills batteries. Whether endogenous or exogenous heat. (How about batteries placed away from the engine bay? Do they last longer?)

- Bigger battery = greater heat. (If charged with a higher current, yes, all batteries produce endogenous heat - so my smaller battery would heat up more than my bigger battery if the alternator output remains the same, isn't it?)

- Greater heat + suboptimal charging = reduced life of bigger battery. (So how about dual battery systems? Do both batteries die a premature death?)

Kindly continue the debate, gentlemen. I need my answers.
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Old 5th September 2016, 19:56   #844
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Default Re: Which is the Best Car Battery Brand?

^^^
SS, I too am waiting to be educated!
Waiting for LL (the originator of the proposition) to agree, or modify this:
"If an OE battery is replaced by a somewhat larger battery, the life of the larger battery will be shorter because
a) the engine bay temperatures will be higher
and
b) the bigger battery will be suboptimally charged. "

If you remember first I had understood that battery temperatures would be higher, but then LL said that engine bay temperatures will be higher. So I want to get the statement correct first. We can continue the discussion after that.

Pls. note that higher temperatures, and improper charging regimes WILL ruin a battery. That is not in doubt. The question is why fitting a slightly bigger battery will lead to these two conditions.

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Sutripta
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Old 19th September 2016, 10:45   #845
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Default Re: Which is the Best Car Battery Brand?

How is 'Hella' battery for Car?

Has anyone tried?
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