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  #1  
Old 13th June 2015, 02:02 PM
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Oversize Oversize is offline
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Default Battery Life

Well recently I've been trying to charge a number of old maintenance free (MB specific) batteries that have been sitting is cars (terminals connected) for sometimes years. These things can be up to $300ea so there was a fairly high desire to resurrect at least a few. But no dice...

I have two full size chargers and each one refused to flow any current through the batteries, even after many hours on the high or low current settings. I wondered if the plates were getting coated with debris and this was eventually shorting them out internally. I thought I might be able to save a battery by draining the electrolyte, flushing and refilling with fresh acid to regain an electrical circuit. However the maintenance free ones prevent this type of procedure.

In the end I called Battery World and asked why I was having so much trouble. They stated that after a while the acid eats away at the plates, if they're always in a state of discharge. This can sometimes be evident by the case expanding or bulging. Basically there's nothing that can be done once a battery reaches this point and you have to buy a new one. However I was told that regular charging at least ONCE A MONTH can ensure the battery lasts more than a couple of years. If you get more than 5 years out of a battery you're doing very well.

I also tried charging the battery for my Buick, which I just discovered was 13 years old (it still looked good)! I was using a trickle charger on that one for a while, but it seemed to have a dead cell. Attempts at proper charging for many hours had all cells but one bubbling slightly and warm to touch around the outside. Frustrated, that battery was also sent off to be 'recycled'.
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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #2  
Old 15th June 2015, 11:02 PM
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SEL_69L SEL_69L is offline
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Default Re: Battery Life

My last 6.9 battery lasted 7 years, but only drove the car average 2,000 klm / year.

Charged it in situ with a bench toroidal ring charger weekly. irrespective of how often (or not) I drove the car.

Moral? Never let the battery off full charge.
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  #3  
Old 16th June 2015, 07:59 AM
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Styria Styria is offline
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Default Re: Battery Life

Hi Mark, if you need full sized 6.9 batteries, I can supply them for $215.00 each, with a three year warranty. They could be put in the car that you may be interested in. Worth a thought.

BTW, when a battery is dead, it is dead. No amount of tickling will bring it back to life - at least, that's been my experience. Incidentally, I am talking of SuperCharge brand battery. At the price quoted, that is a substantial discount. Regards Styria
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  #4  
Old 16th June 2015, 10:54 AM
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Default Re: Battery Life

Quote:
Originally Posted by SEL_69L View Post
My last 6.9 battery lasted 7 years, but only drove the car average 2,000 klm / year.

Charged it in situ with a bench toroidal ring charger weekly. irrespective of how often (or not) I drove the car.

Moral? Never let the battery off full charge.
You used a what charger??
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #5  
Old 16th June 2015, 10:55 AM
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Default Re: Battery Life

Quote:
Originally Posted by Styria View Post
Hi Mark, if you need full sized 6.9 batteries, I can supply them for $215.00 each, with a three year warranty. They could be put in the car that you may be interested in. Worth a thought.

BTW, when a battery is dead, it is dead. No amount of tickling will bring it back to life - at least, that's been my experience. Incidentally, I am talking of SuperCharge brand battery. At the price quoted, that is a substantial discount. Regards Styria
Sounds good what model battery??
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #6  
Old 16th June 2015, 06:17 PM
BenzBoy BenzBoy is offline
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Default Re: Battery Life

Quotes for 100 amp/hr battery for ML.
NRMA = $385.
MBS genuine= $445.
My last genuine battery lasted 10 years. The NRMA battery will just see out 3 years before it dies.
The choice is a no-brainer.
Regards,
Brian
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  #7  
Old 17th June 2015, 04:59 AM
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motec 6.9 motec 6.9 is offline
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Default Re: Battery Life

My 6.9 has a Bosch battery. Good Better Bosch .
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Memnoch #1873 6.9 255.6 RWHP
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  #8  
Old 17th June 2015, 07:49 AM
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Default Re: Battery Life

Quote:
Originally Posted by Oversize View Post
Sounds good what model battery??
The brand name is SUPERCHARGE - the warranty period is three years, and it is the largest battery suitable for family sedans such as the 6.9, also 450. Its rating is (terminology has changed a little) 88 amp/hours in the old language. Don't worry, the price is certainly right, and not a thing wrong with quality - up with just about the best of them.

I recall some 6.9 owners paying in excess of $300.00 fifteen years ago. As a matter of interest, the 6.3s take the next size down as there is not enough space for the 6.9 type battery in the under bonnet section. Regards Styria
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  #9  
Old 18th June 2015, 05:35 AM
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Default Re: Battery Life

Quote:
Originally Posted by Oversize View Post
Sounds good what model battery??

What I should've said was what model number?
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #10  
Old 18th June 2015, 05:38 AM
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Oversize Oversize is offline
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Default Re: Battery Life

Quote:
Originally Posted by BenzBoy View Post
Quotes for 100 amp/hr battery for ML.
NRMA = $385.
MBS genuine= $445.
My last genuine battery lasted 10 years. The NRMA battery will just see out 3 years before it dies.
The choice is a no-brainer.
Regards,
Brian
I assume the 10YO battery was the one originally fitted? I wonder if the MB replacement will last as long?
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #11  
Old 18th June 2015, 06:05 AM
BenzBoy BenzBoy is offline
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Default Re: Battery Life

Quote:
Originally Posted by Oversize View Post
I assume the 10YO battery was the one originally fitted? I wonder if the MB replacement will last as long?
In my experience they have - and have been Yuasa made in Japan and branded by MB. It's relevant that most companies make products at different quality levels and it's not just the brand that is important but the specifications of the build.
So many batteries sell solely on low price and the only way you can get low price is with low quality.
Regards,
Brian
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  #12  
Old 18th June 2015, 07:02 AM
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Styria Styria is offline
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Default Re: Battery Life

Hi BenzBoy, with your real life experience, are you able to tell us which brand of battery is of inferior quality ? Supercharge, Yuasa, Delkor, Century, Apollo, or any others ? Additionally, how does manufacturing quality differ from one maker to another ?

I ask this not to create controversy, but purely to guide me at future times with the advice you might be able to provide. In my experience, I have had absolutely no problems with Supercharge or Delkor, but Apollo have been disappointing. Regards Styria

N.B. Years ago, I used to buy Yuasa labelled batteries from a supplier at Silverwater. They showed me the various labels that they would attach to the same battery - Bosch, Century....all the same, just different label. Just recently, I bought a small motorcycle battery for a Husqvarna 450 four stroke at a cost of $39.00 - it was obviously a small battery at that price. The equivalent size Yuasa from the Husky dealer was priced at $150.00. I might add that in six months the cheap battery has given no trouble. Additionally, a battery I supplied to Michel's Red Terror probably some two years ago is still starting the car without problems - I think.

Last edited by Styria; 18th June 2015 at 07:04 AM.
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  #13  
Old 18th June 2015, 07:03 AM
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Oversize Oversize is offline
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Default Re: Battery Life

Quote:
Originally Posted by BenzBoy View Post
In my experience they have - and have been Yuasa made in Japan and branded by MB. It's relevant that most companies make products at different quality levels and it's not just the brand that is important but the specifications of the build.
So many batteries sell solely on low price and the only way you can get low price is with low quality.
Regards,
Brian
Very true! In a similar vein to the thread on vehicle resale values, I'm quite prepared to spend double the purchase price if the device lasts twice as long (or more). A well engineered product is far more satisfying (ref MB!! ). The real test is whether the 'expensive' product will go the distance since today's cheaper alternatives are getting better
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)

Last edited by Oversize; 18th June 2015 at 07:11 AM.
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  #14  
Old 18th June 2015, 07:08 AM
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Oversize Oversize is offline
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Default Re: Battery Life

I never liked Exide batteries which in my experience are inferior to other brands. Century are expensive for what you get and their warranties are shorter than others. I like Yuasa but they're often hard to find
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Mark

01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #15  
Old 18th June 2015, 05:12 PM
BenzBoy BenzBoy is offline
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Default Re: Battery Life

Styria wrote: "Hi BenzBoy, with your real life experience, are you able to tell us which brand of battery is of inferior quality ? Supercharge, Yuasa, Delkor, Century, Apollo, or any others ? Additionally, how does manufacturing quality differ from one maker to another ?"

My response -
The best experiences I have had are from Yuasa and Century - in Australia they are the same brand but I think different prices and different quality.
By far the longest lasting has been Yuasa made in Japan and branded MB but they have given no warning when they are about to die. Great on one part of the trip and stone dead when you go to do a hot re-start.
Bosh Silver in the Spirit was a total dud. It died a week after the warranty expired and Bosch would not accept any responsibility.
A friend of mine has done his PhD in battery technology and now does battery research for the CSIRO - in his view most automotive batteries are low quality made to a low price and doomed to failure because of that. Maybe he's right?
Regards,
Brian
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Last edited by BenzBoy; 18th June 2015 at 06:01 PM.
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