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> New car with not full battery. normal?

gsem984
post Jan 11 2019, 09:38 AM, updated 6d ago

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My friend just bought a new car and since he is also a worker in a bengkel, he tested a few things on the car and found that the car battery is not full. it is somewhere at middle, almost pointing to weak when measuring using the battery meter.

is it normal to expect new car to come with a full loaded car battery?
Orzie
post Jan 11 2019, 09:42 AM

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Battery will discharge even if it's not being used. Just that it will discharge at much slower rate, iinm.
fireballs
post Jan 11 2019, 09:43 AM

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u friend bought tesla kah?

if normal car, what is the battery voltage? it should read 12V
Zot
post Jan 11 2019, 09:46 AM

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QUOTE(fireballs @ Jan 11 2019, 09:43 AM)
u friend bought tesla kah?

if normal car, what is the battery voltage? it should read 12V
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A weakly charged battery will also read 12V when using multimeter to check. It is just that it has not stored enough energy (i.e. not much current it can supply) smile.gif
fireballs
post Jan 11 2019, 09:49 AM

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ah. i mean when you use a resistive load bank and measure the voltage.
ckseong80
post Jan 11 2019, 09:50 AM

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I changed a new battery recently. Exide to be specific.
What I found to be weird is that when I measure it with multimeter, the reading keeps fluctuating.
Measured the Cold Cranking Amp (CCA) it is good.
I suspect this could be due to the built in battery life monitor that it comes with.
Anyone have similar experience?
Zot
post Jan 11 2019, 09:51 AM

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Last time the car battery is sold in dry condition but battery plates are "charged". When you buy, either shop or you can pour the acid into the battery and it will be in "full charged" condition.

Nowadays, due to safety reason in most country (Malaysia just follow I guess), the acid is filled into battery in factory. So, out from factory, the charge in the battery starts depleting on shelf and waiting for customer to buy. It can be up to 6 month. So,, it is normal when the battery is purchased the charge is no more full. Once driven, the battery is expected to be charged to max again.
danielmckey
post Jan 11 2019, 09:53 AM

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Go to those selling battery services company/shop, they will check for you for free.
Zot
post Jan 11 2019, 09:55 AM

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QUOTE(fireballs @ Jan 11 2019, 09:49 AM)
ah. i mean when you use a resistive load bank and measure the voltage.
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I believe it could be slightly less because not enough current to supply to maintain 12V reading due to long sitting on shop shelf. This is nothing to be surprised. Need to fully charged and test. If the battery is good, the will stay at 12V, otherwise get it changed biggrin.gif
Zot
post Jan 11 2019, 09:56 AM

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QUOTE(ckseong80 @ Jan 11 2019, 09:50 AM)
I changed a new battery recently. Exide to be specific.
What I found to be weird is that when I measure it with multimeter, the reading keeps fluctuating.
Measured the Cold Cranking Amp (CCA) it is good.
I suspect this could be due to the built in battery life monitor that it comes with.
Anyone have similar experience?
*
You mean measuring with engine running?
ckseong80
post Jan 11 2019, 10:08 AM

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QUOTE(Zot @ Jan 11 2019, 09:56 AM)
You mean measuring with engine running?
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Engine running or not, on previous batteries (without any built in in life monitor) that I used, I'm able to measure the voltage without any fluctuations in the reading.
Difference is when engine is running the voltage will be above 14V as the alternator is charging the battery.
When engine is not running will be the usual 12.4V to 12.6V.


Zot
post Jan 11 2019, 10:23 AM

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QUOTE(ckseong80 @ Jan 11 2019, 10:08 AM)
Engine running or not, on previous batteries (without any built in in life monitor) that I used, I'm able to measure the voltage without any fluctuations in the reading.
Difference is when engine is running the voltage will be above 14V as the alternator is charging the battery.
When engine is not running will be the usual 12.4V to 12.6V.
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I cannot imagine how the multimeter reading was when you said fluctuating. That battery indicator is nothing electrical but just chemical reaction I believe.

All I can think of is just the probe and terminal were not in good contact dry.gif
therain01
post Jan 11 2019, 10:57 AM

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QUOTE(gsem984 @ Jan 11 2019, 09:38 AM)
My friend just bought a new car and since he is also a worker in a bengkel, he tested a few things on the car and found that the car battery is not full. it is somewhere at middle, almost pointing to weak when measuring using the battery meter.

is it normal to expect new car to come with a full loaded car battery?
*
If the new battery fail the load test then its not normal.

You never say what car is that. Some car especially continental car use more power before it start to go standby/sleeping mode.
Pugbunny
post Jan 11 2019, 11:11 AM

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During the first 1000 km service, get your friend to ask the SC to check the battery loh.. If really weak, can warranty
MR_alien
post Jan 11 2019, 11:23 AM

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is it a 2018 car aka old stock?
new car but also meant the car has been left at the stock yard for quite some time
thus the battery is weak

normal but also normal to complain abt it
netmatrix
post Jan 11 2019, 01:18 PM

The machine... it sees everything.
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Typical drive car no need to service attitude. Hahahaha

This post has been edited by netmatrix: Jan 11 2019, 01:20 PM
Jedi
post Jan 11 2019, 01:48 PM

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Yes my new nissan x trail also notnfull

How I found out is install iroad dashcam
Everytime ask me restart to preserve battery of car. My other car which last time abt to change battery only inform this.
bo093
post Jan 11 2019, 10:18 PM

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Just because the car is new doesn't the battery is too...
Battery could be manufactured in 2018, but assemble with the car in 2019.

Anyhow, new car surely have battery warranty for 1 year at least.
Claim if you can.
arza04
post Jan 12 2019, 08:46 AM

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Claim warranty...usually they give 1year/20,000 km warranty for battery

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