Odyssey PC680 + Alternator Life
#1
Odyssey PC680 + Alternator Life
The FD would not start today so i pulled out the battery and alternator for testing down at schucks. It turns out the battery was still good (Ive had it for 2 years) and the alternator was toast. The Associate told me that since the battery was too small and underpowered it was going to decrease the life of my alternator. and the life of any alternator i buy after that. He recommended i go with a larger battery so the alternator would not have to work so hard to power my electronics. I figured i'd be fine cause the alternator would power everything when the vehicle was on regardless the battery size. Am I wrong? All i have for a sound system is an alpine deck and 4 speakers. Ive searched but could not find anything related to this. Any help would be great. Thanks
Last edited by mendozam; 09-04-08 at 02:59 AM. Reason: title
#6
The Anti-Prius
iTrader: (9)
Just because your employed by a parts store doesn't mean you know ****. It's not like they send you to a two year course to learn how to sell wiper blades.
The size of the battery has no effect on the output on load of the alternator.
Using his logic a larger battery would tax the alternator more due to increased battery capacity to "keep it full"? Unless he thinks your completely draining the small battery on every start up?
Which we all know is not the case.
A smaller battery just has shorter reserve power & lower (shorter time) cranking power.
The size of the battery has no effect on the output on load of the alternator.
Using his logic a larger battery would tax the alternator more due to increased battery capacity to "keep it full"? Unless he thinks your completely draining the small battery on every start up?
Which we all know is not the case.
A smaller battery just has shorter reserve power & lower (shorter time) cranking power.
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#8
Sponsor
iTrader: (41)
The problem with the 680 is that if there is ANYTHING wrong with your charging system, it will die. Also, forget about running fans or stereo for an extended period of time without the car running. The cold cranking amps may also not be enough if you live in an area that gets cold winters. I would also recommend a battery tender if you don't drive the car often. Aftermarket stereos and alarms are notorious for being poorly installed and drain the battery. Even the Power FC puts a small constant drain on the battery. The only reason it would strain the alternator is if the battery is constantly drained and the alternator is forced to charge it up. That being said, I really recommend stepping up to the 925. I get sick of pushing and jump starting cars at my shop that have the 680 that constantly dies.
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