Signs Of A Dead Battery In A Car

Signs Of A Dead Battery In A Car by AutoReportNG2: 9:31pm On Feb 24^[1]^[2]

A car battery is designed as a chemical reactor which uses lead plates to generate voltage. A battery goes bad when the chemical reaction inside the battery starts to become weak. This is due to the natural degradation of the lead plates in one or more of the batteries 6 cells and can normally happen in about three to four years of the battery's life.

A battery can fail in one of two ways. The first way is very quickly in others word you go out to your car and no lights will come on and the car is dead. In this case a jump start may not even help because the battery is so far gone it just dumps (pulls in) all the voltage supplied to it.

The second way is the battery can go bad while supplying a slow decline of voltage. This results in slow than normal engine cranking sound that you will notice in the morning or after the car has been sitting for a long period of time. Once you notice this it's up to you to be preventive and ch ange the battery before total failure occurs.

Sometimes a good battery will be dead in the morning because the car has a voltage drain in the electrical system which is called a parasitic draw. This means there is something electrical staying on in the car when its not suppose to be.

WHAT YOU WILL HEAR

When a battery is new the engine will crank over to a particular tone and rhythm. Then a few years later this tone will change. You will notice the engine cranking a bit slower which is telling you the battery is getting weak.

WHAT YOU WILL SEE

There are two sure signs a battery is failing. While looking at the battery there will be battery acid covering the top of the battery. The next is if the sides of the battery are bulged out telling you the plates inside are warped due to age.

WHAT YOU WILL SMELL

Sometimes when a battery goes bad to will have a very distinctive sulfur smell which is the battery plates over heating a boiling the acid ins ide the battery cells. This could be due to the alternator overcharging as well so it should be checked for this condition.

Source
http://www.autoreportng.com/2017/02/signs-of-dead-battery-in-car.html ^[3]

Re: Signs Of A Dead Battery In A Car by AutoReportNG2: 9:32pm On Feb 24^[4]^[5] Re: Signs Of A Dead Battery In A Car by lonelydora(m): 7:19am^[6]^[7]

Nice one.

Omo, car battery is expensive now ooooo. A car battery of 45-62Ah/hr is now 25k.

Re: Signs Of A Dead Battery In A Car by PERFECT2(m): 7:34am^[8]^[9]

These are the type of topics I saw back then that made me join NAIRALAND. This new generation NAIRALAND of MMM, Tonto,..... It is well o.

14 Likes 1 Share

Re: Signs Of A Dead Battery In A Car by sakalisis(m): 7:35am^[10]^[11]

Re: Signs Of A Dead Battery In A Car by d3prince: 7:35am^[12]^[13]

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Re: Signs Of A Dead Battery In A Car by michresa(m): 7:37am^[14]^[15]

thanks for this piece of info.

Re: Signs Of A Dead Battery In A Car by Chrisozone: 7:37am^[16]^[17]

Thanks.....

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Try it grin

Re: Signs Of A Dead Battery In A Car by holyeye1989(m): 7:37am^[18]^[19]

That's true

Re: Signs Of A Dead Battery In A Car by 1miccza: 7:39am^[20]^[21]

Very valuable piece of info

1 Like

Re: Signs Of A Dead Battery In A Car by forayfleo(m): 7:43am^[22]^[23]

Hmmm

Re: Signs Of A Dead Battery In A Car by Waspy(m): 7:47am^[24]^[25]

Autojosh, Good write-up but Can you please shed more light on the parasitic draw/drain?

My battery seems to suffer from this.

Re: Signs Of A Dead Battery In A Car by GlorifiedTunde(m): 7:49am^[26]^[27]

Can anyone advice me on the battery to go for today?

There are so many substandard batteries flooding the market these days. And considering how expensive it is now.

I need a 75amps battery.

I'm thinking of Forgo, Chrome or Solite.

AutoReportNG2^[28]:
Prevention they say, is better than cure.
Lalasticlala, Seun

Re: Signs Of A Dead Battery In A Car by dabongys: 7:51am^[29]^[30]

Also if you have an alternator that isn't charging properly, it shortens battery life. A good European or American battery could last you 3 to 4 years with a sound alternator. But a Chinese or Korean battery would be a blessing if you get 2 years. How do you test your alternator at home? Start your car, let it run for about 3 minutes, remove your battery terminals while it's still running, turn on your headlamps (full blare), put on your AC, put on your radio and wipers. If the car stutters or goes off during any of these, your alternator is definitely not strong enough.

5 Likes

Re: Signs Of A Dead Battery In A Car by Mementoes(m): 8:09am^[31]^[32]

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Try the stunt above only on older cars. Probably pre-1990.

Your brainbox is at risk on newer model cars if you run your engine without the battery connected. Testing an alternator is done safely with a voltmeter.

2 Likes

Re: Signs Of A Dead Battery In A Car by Sincere4u(m): 8:14am^[33]^[34]

Not sure this was beneficial.

Re: Signs Of A Dead Battery In A Car by MutantMetahuman: 8:18am^[35]^[36]

dabongys^[37]:
Also if you have an alternator that isn't charging properly, it shortens battery life. A good European or American battery could last you 3 to 4 years with a sound alternator. But a Chinese or Korean battery would be a blessing if you get 2 years. How do you test your alternator at home? Start your car, let it run for about 3 minutes, remove your battery terminals while it's still running, turn on your headlamps (full blare), put on your AC, put on your radio and wipers. If the car stutters or goes off during any of these, your alternator is definitely not strong enough.

do I need to remove both cable or just one is enough?

Re: Signs Of A Dead Battery In A Car by crazygod(m): 8:22am^[38]^[39]

So Duracell dey do car battery? Neva knew. Is tiger also producing car battery @ Op?

Re: Signs Of A Dead Battery In A Car by AutoReportNG2: 8:41am^[40]^[41]

Waspy^[42]:
Autojosh, Good write-up but Can you please shed more light on the parasitic draw/drain?
My battery seems to suffer from this.

This is AutoReportNG and not autojos.h

Re: Signs Of A Dead Battery In A Car by dgitrader(m): 9:03am^[43]^[44]

Thank you op, pls shed more light on parasitic draw/drain, it tends to be a serious killer, because an average auto electrician may not be able to diagnose it effectively.

Re: Signs Of A Dead Battery In A Car by dokyOloye: 12:10pm^[45]^[46]

dabongys^[47]:
Also if you have an alternator that isn't charging properly, it shortens battery life. A good European or American battery could last you 3 to 4 years with a sound alternator. But a Chinese or Korean battery would be a blessing if you get 2 years. How do you test your alternator at home? Start your car, let it run for about 3 minutes, remove your battery terminals while it's still running, turn on your headlamps (full blare), put on your AC, put on your radio and wipers. If the car stutters or goes off during any of these, your alternator is definitely not strong enough.

A very dangerous procedure.
U could fry Ur ECU(brain box) while doing that.

Re: Signs Of A Dead Battery In A Car by Waspy(m): 2:10pm^[48]^[49]