Replacement battery

[GT450]

Hi i feel i need to replace my battery as i am told it is sulphating as a result of me not driving my car enough even though i put it on a trickle charger all the time . The same happened to my FPV GT and when i replaced it with a supercharge battery and kept on the trickle charger that battery was still in it some 9 years + later.
The question is has anyone on here used a supercharge MF55 or MF58 battery and did it fit correctly , as i know fitment into the battery cradle can be a problem.
Failing that can you recommend an appropriate battery with decent cranking power or did your dealer supply an OE one at reasonable cost.
I think low voltage maybe the reason my Active Exhaust ceases working within a minute of startup ( and no i have never touched or replaced any exhaust component so the wiring appears fine ) as i know these cars a re very voltage sensitive.
Any assistance would be welcome especially form those that may have suffered a similar problem. Thank you.

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[Stevefreestyle]

You could try EXIDE EXTREME XDIN55MF with 42 MONTH WARRANTY from $169

The XDIN55MF is for all FN Mustang GTs

Had an Exide Extreme in my XR8, better battery than the original!

Specifications
Size	N55
Volts	12
Technology	SMF CAL
Cold Cranking Amps	600
Reserve Capacity (min)	105
Amp Hours	60
Length (mm)	242
Width (mm)	175
Height (mm)	175
Total Height (mm)	175
Wet Weigh (kg)	14.8

Exide (exidebatteries.com.au)

Exide Extreme XDIN55MF Vehicle Battery - Bunnings Australia

EXIDE EXTREME XDIN55MF - 42 MONTH WARRANTY PASSENGER BATTERY . 9313122901645 | eBay

 

[PKs]

I have had the Century DIN53LX MF for a couple of years now. I often have it on the Ctek charger as it is not driven regularly. Faultless so far. https://www.centurybatteries.com.au/resources/battery-finder/fitment-options/105379

 

[GT450]

I had the battery checked and it came up very healthy and i have never really had a problem with it as i keep it on trickle charger constantly. I did think it may have been the reason my inactive exhaust notice keeps coming up shortly after starting but i fear that may be another problem and i really didn't want to go to the dealer to have it checked. However i will get them to service it and check the connections over.
One question i would like to know is what readings do you get from the voltage gauge when driving?? After reinserting the battery i had a strong 14v readout constantly both on and off throttle. After the first start it reverted to running around 12-12.5v and only 14v on overrun off throttle. Now all seems to be well (except for the AE ) and the battery seems fine so what readings do you get whilst driving, i'd be interested to know, thanks.

 

[Ozcraig]

I have had the Century DIN53LX MF for a couple of years now. I often have it on the Ctek charger as it is not driven regularly. Faultless so far. https://www.centurybatteries.com.au/resources/battery-finder/fitment-options/105379

I replaced my original battery(nearly 5 years old) in my 2017 FM with this same Century battery, $200 at Supercheap with 40months warranty. In my opinion it's not worth keeping old batteries in the car and coaxing them along, only to suffer a sudden and unexpected failure. Being stranded with a flat battery is not worth saving a few bucks.

 

[GT450]

I replaced my original battery(nearly 5 years old) in my 2017 FM with this same Century battery, $200 at Supercheap with 40months warranty. In my opinion it's not worth keeping old batteries in the car and coaxing them along, only to suffer a sudden and unexpected failure. Being stranded with a flat battery is not worth saving a few bucks.

Mine came up fine after it was checked, i was just unsure with the various readings i was getting. I also changed the earth for my trickle charger and it would appear to have made a difference. I had over 8 years out of my last batteries in my FPV that was hooked up to the trickle charger and it was still going strong when i sold it.

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