Battery Test Results

Submitted: Wednesday, Nov 14, 2007 at 20:20
ThreadID: 51606 Views:3719 Replies:7 FollowUps:7
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How do you read a battery test print out??

We had the X Trail serviced today and they did a battery test and they reckoned it needed a new battery.
This is the print out


So should I get a new battery??

Cheers Kev
Russell Coight:
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Reply By: TD100 - Wednesday, Nov 14, 2007 at 20:42

Wednesday, Nov 14, 2007 at 20:42
Hey Kev,is that 300cca the batterys capacity?i had my old 2 oem cruiser batteries sitting in the garage for 4 years,one day decided to chk volts,12.72 volts after all this time!!!ahhhh stick them on the 4 stage charger anyway,it didnt want to know about them.checked it with my mates electronic battery checka and they passed with flying colors?go figure.if it sounds like it is not cranking properly when stone cold change it,if it sounds alright leave it.flooded cell batteries are odd creatures at times.but also if its the SWMBOs change it anyway as its not a huge oulay for peace of mind.cheers Paul
AnswerID: 271753

Follow Up By: Solar Gooroo - Thursday, Nov 15, 2007 at 21:25

Thursday, Nov 15, 2007 at 21:25
Just a note before you go spending money on battery.. (and just incase they didnt test it at service)... High resistance in the starter lead will give the impression of a dead battery (I know from experiance)...

Also what your looking for in that test report is the volt drop under load... a good battery should hold around 12v if fully charged and load tested... Anything under about 11 is badish.. anything under 10 is most likly new battery.. there are pulse generators (megapulse) that de-sulphate batteries and bring them back to life but not convinced they totally work yet.. but ive heard good stories
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Reply By: Louie the fly - Wednesday, Nov 14, 2007 at 20:45

Wednesday, Nov 14, 2007 at 20:45
Kev, have a look here Site Link

According to their fact sheet "why do batteries fail?" it says that if a battery shows 9.5 volts or less on a load test it should be replaced.

That looks like a cash register docket. Did you get a fuel discount voucher with it? lol
AnswerID: 271755

Reply By: Wayne (NSW) - Wednesday, Nov 14, 2007 at 21:56

Wednesday, Nov 14, 2007 at 21:56
Kev,

I would think that the S.Loaded Volts 9.46 is where the battery is failing.

Under load, starting the vehicle, the volts drop and the vehicle is hard to start.

If you were in Victoria in the winter months that could be a problem. Now that it is summer and you are going north it should not be necessary to change the battery straight away. It will have to be changed, but topping up the water level will give it a few more months. How old is the battery?

When you do replace the battery go for the biggest that will fit in the battery tray and 300CCA is a bit low.
Being a Nissan X Trail a good battery might be over capitalizing on the value of the vehicle. :-))

A rough test that you can do at home is to turn the high beam on and try and start the vehicle. If it will not crank or is slow replace the battery.

BTW, Last year when I was in Broome, I had battery problems. I had brought the battery from a Australian wide company.
Went to see the Broome agent for a load test on the battery and I was advised that the battery would only last a few weeks if not less and because I was heading down the Tanami track I should replace it now.
I said OK, the battery is still under warranty and I have the receipt.
No good.
Because the battery had not failed they could not give me warranty but were willing to sell me a new one.

I did get a new battery but not from them.
AnswerID: 271767

Follow Up By: QLD Kev - Thursday, Nov 15, 2007 at 06:52

Thursday, Nov 15, 2007 at 06:52
Morning Wayne,

A good battery might be overcapitalising on the value of the X Trail, but everyone has their faults LOL

It starts 1st time which is why I asked the Question.

Cheers Kev
Russell Coight:
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Reply By: feral - Wednesday, Nov 14, 2007 at 22:06

Wednesday, Nov 14, 2007 at 22:06
I would be more worried about your alternator.

It clearly shows that the charge voltage is only 13.2v. Everyone knows that for a battery to be charged correctly it must be showing 13.8v or more.

This could be the reason why the battery is so low.

AnswerID: 271769

Follow Up By: furph - Thursday, Nov 15, 2007 at 07:54

Thursday, Nov 15, 2007 at 07:54
I reckon you have nailed this one Feral.
If the alternator output voltage is not between 13.8/14.1 volts then the battery is always only going to have around 50% charge.
Wonder did they test with hydrometer (not possible if no maintenance sealed type)
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Reply By: Member - Phil G (SA) - Wednesday, Nov 14, 2007 at 22:17

Wednesday, Nov 14, 2007 at 22:17
If its starting normally, I leave it alone.

Your X-trail is only 3 years old - those Panasonic batteries they come with have lasted 6 years in other Nissan vehicles I've owned.
X-trails come with a 55D23L battery which is the best part of 600CCA.
AnswerID: 271771

Follow Up By: QLD Kev - Thursday, Nov 15, 2007 at 07:03

Thursday, Nov 15, 2007 at 07:03
Phil,

I think they were after extras with the service, I knocked back a replacement battery, injector service, rear brakes (can get it cheaper at Brake and Tyre place with Bendix).

I wonder where they got the 300 CCA from on the test.

Cheers Kev
Russell Coight:
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Reply By: Redback - Thursday, Nov 15, 2007 at 09:03

Thursday, Nov 15, 2007 at 09:03
Does the battery start the car??
AnswerID: 271804

Follow Up By: QLD Kev - Thursday, Nov 15, 2007 at 09:08

Thursday, Nov 15, 2007 at 09:08
It has never missed a beat.

So I don't know what the problem is

Kev
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Follow Up By: Redback - Thursday, Nov 15, 2007 at 11:23

Thursday, Nov 15, 2007 at 11:23
If it starts the car, then there's no problem.

Baz.
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Follow Up By: QLD Kev - Thursday, Nov 15, 2007 at 11:25

Thursday, Nov 15, 2007 at 11:25
That's my point it has not been an issue, so what was their motive to say we needed a new one.

Kev
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Reply By: QLD Kev - Thursday, Nov 15, 2007 at 10:39

Thursday, Nov 15, 2007 at 10:39
OK,

I just dug the Multimeter out and did a check myself.

The resting voltage is 12.75v

Alternator output is 14.03v

Cheers Kev
Russell Coight:
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