CCA and DIN differences for replacement batteries

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Aaroona

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#312857 23-May-2024 23:35

The battery if my car is weak and needs to be replaced. Its now 12 years old (AGM battery), so has most certainly done its dash.

What I am trying to understand is what the differences are in batteries.

Current battery is 900CCA / 90Ah.

Some places have recommended replacing it with a DIN92AGM / 850CCA / 90-95Ah battery, as well as a DIN88 / 850CCA / 95Ah battery.

How much difference does 50CCA make? And what is the difference between DIN88 and DIN92?

Given the battery is going to run me 680-800+,I want to be damn sure its right. The dealership were insanely expensive. 800+ JUST for the battery, not including installation.

Senecio

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#3234020 24-May-2024 07:29

What does it say when you type your number plate into this site?

Number Plate Search | HCB Technologies Limited | New Zealand's Leading Automotive Battery Supplier

DIN is just a European standard for battery sizes.

DIN88 = 352mm x 174mm x 174mm

DIN92 = 348mm x 170mm x 190mm

The key for these 2 are the height. Measure your current battery to see if it is 174mm or 190mm high.

Aaroona

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#3234047 24-May-2024 08:39

Senecio:
What does it say when you type your number plate into this site?

Number Plate Search | HCB Technologies Limited | New Zealand's Leading Automotive Battery Supplier

DIN is just a European standard for battery sizes.

DIN88 = 352mm x 174mm x 174mm

DIN92 = 348mm x 170mm x 190mm

The key for these 2 are the height. Measure your current battery to see if it is 174mm or 190mm high.

It shows 850cca 90Ah batteries. But the factory spec for my car is 900cca.

Is there much difference in 50cca?

wellygary

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#3234051 24-May-2024 08:51

Aaroona:

It shows 850cca 90Ah batteries. But the factory spec for my car is 900cca.

Is there much difference in 50cca?

TBH I'm not sure that CCA is particularly relevant standard for NZ - its never going to get that cold....

"Cold Cranking Amps (CCA) measure a battery’s ability to start an engine in cold climates.

CCA tells you how many amps a 12-volt battery may support for 30 seconds at -17.8 degrees Celsius before the voltage drops to at least 7.2 volts per cell.

Aaroona

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#3234104 24-May-2024 10:37

I've just ordered the G14 Varta 95Ah/850cca battery. Should have it this afternoon. all sources for NZ seem to point to it being suitable. a 900cca of equivalent quality is pushing around $800-$900... crazy.

We'll see how I get on this afternoon. I suspect the 50cca difference will have little impact, as you say, the temps don't really get that low here... and anythings got to be better than the voltage drops I am currently experiencing.

EDIT: I managed to get a price beat from HyperDrive for another NZ supplier... so battery has come out to $620 for the Varta G14.

SATTV

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#3234111 24-May-2024 11:17

Aaroona:

I've just ordered the G14 Varta 95Ah/850cca battery. Should have it this afternoon. all sources for NZ seem to point to it being suitable. a 900cca of equivalent quality is pushing around $800-$900... crazy.

We'll see how I get on this afternoon. I suspect the 50cca difference will have little impact, as you say, the temps don't really get that low here... and anythings got to be better than the voltage drops I am currently experiencing.

EDIT: I managed to get a price beat from HyperDrive for another NZ supplier... so battery has come out to $620 for the Varta G14.

Some cars have a battery reset process, if you dont do it it will cook the battery in a matter of months.

Basically the car computer raises the alternator voltage as the car gets older so when you replace the battery you have to go through the reset procedure to drop the voltage back down to normal.

John

I know enough to be dangerous

Aaroona

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#3234213 24-May-2024 12:00

SATTV:

Aaroona:

I've just ordered the G14 Varta 95Ah/850cca battery. Should have it this afternoon. all sources for NZ seem to point to it being suitable. a 900cca of equivalent quality is pushing around $800-$900... crazy.

We'll see how I get on this afternoon. I suspect the 50cca difference will have little impact, as you say, the temps don't really get that low here... and anythings got to be better than the voltage drops I am currently experiencing.

EDIT: I managed to get a price beat from HyperDrive for another NZ supplier... so battery has come out to $620 for the Varta G14.

Some cars have a battery reset process, if you dont do it it will cook the battery in a matter of months.

Basically the car computer raises the alternator voltage as the car gets older so when you replace the battery you have to go through the reset procedure to drop the voltage back down to normal.

John

Thanks, yes not concerned about this, I will be going through the battery registration process to ensure the alternator doesn't overcharge it.

New World

Shop on-line at New World now for your groceries (affiliate link).

Oblivian

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#3234254 24-May-2024 12:52

Is it a smart start/stop enabled vehicle by chance.

The price and requirements for those seem to skyrocket because of the brutal continual cranks need.

Jvipers2

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#3234288 24-May-2024 13:50

50CCA might not make much difference when the battery is new

But give it a few months and you might start to notice the crank isn't as sweet especially if you're in a European make. Asian makes are surprisingly less affected by the battery, unless it is a performance variant...

Aaroona

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#3234955 26-May-2024 17:32

Jvipers2: 50CCA might not make much difference when the battery is new

But give it a few months and you might start to notice the crank isn't as sweet especially if you're in a European make. Asian makes are surprisingly less affected by the battery, unless it is a performance variant...

We shall see. Everywhere was recommending this as the replacement battery. Either way, it runs SO much better now- the idle, the fan/aircon, startup, etc.