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Author Topic: Reconditioning an AGM battery.  (Read 229 times)

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Reconditioning an AGM battery.
« on: 10 October 2021, 10:09:29 »

My car battery would not charge above 11,7/11,8 volts with the alternator going flat out at 14.6 volts.

Took it off the car and charged it in recovery mode on my Stop/Start smart charger.

After it had finished it's cycle, I put it on auto charge.

Battery is now holding at 12,7/12,8 volts with the alternator only cutting in periodically.

Saved me about 140 for a new battery.

Dead chuffed.

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Re: Reconditioning an AGM battery.
« Reply #1 on: 10 October 2021, 11:03:30 »

Start saving up for that 140, as what you have done is at best a short term solution.

On the plus side, you car is kept in a warm garage overnight, which means it doesn't need to be at its peak.  Downside is its more likely to catch you out if you stay away overnight....


If you have a drop tester, disconnect the battery again and test it :y
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Re: Reconditioning an AGM battery.
« Reply #2 on: 10 October 2021, 11:37:43 »

Start saving up for that 140, as what you have done is at best a short term solution.

On the plus side, you car is kept in a warm garage overnight, which means it doesn't need to be at its peak.  Downside is its more likely to catch you out if you stay away overnight....


If you have a drop tester, disconnect the battery again and test it :y

Done that, it passes the test with flying colours :y
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Re: Reconditioning an AGM battery.
« Reply #3 on: 10 October 2021, 11:53:23 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
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STEMO

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Re: Reconditioning an AGM battery.
« Reply #4 on: 10 October 2021, 11:56:14 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
That's not the attitude at all, AA. You must buy a new battery...and don't forget to service your car every 5000 miles.....and buy new tyres as soon as the tread gets to 5mm.  ;D
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Re: Reconditioning an AGM battery.
« Reply #5 on: 10 October 2021, 11:56:55 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
That's not the attitude at all, AA. You must buy a new battery...and don't forget to service your car every 5000 miles.....and buy new tyres as soon as the tread gets to 5mm.  ;D

 ;D ;D
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Re: Reconditioning an AGM battery.
« Reply #6 on: 12 October 2021, 11:58:26 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
:y

If doing just short journeys, esp now its got darker, wetter and colder, it might be worth regularly keeping it topped up.
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Re: Reconditioning an AGM battery.
« Reply #7 on: 12 October 2021, 12:33:15 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
:y

If doing just short journeys, esp now its got darker, wetter and colder, it might be worth regularly keeping it topped up.

Don't worry, I intend to.

I will add, an 18 hole golf trolley battery that would barely last for 9 holes, lasted another 18 months after reconditioning.
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STEMO

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Re: Reconditioning an AGM battery.
« Reply #8 on: 12 October 2021, 12:41:09 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
:y

If doing just short journeys, esp now its got darker, wetter and colder, it might be worth regularly keeping it topped up.

Don't worry, I intend to.

I will add, an 18 hole golf trolley battery that would barely last for 9 holes, lasted another 18 months after reconditioning.
I didn't know you were a golfist, AA. Bit of a posh bastid are we?  ;D
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Re: Reconditioning an AGM battery.
« Reply #9 on: 12 October 2021, 12:41:52 »

The auto correct almost turned you from a golfist to a goldfish  ;D
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Re: Reconditioning an AGM battery.
« Reply #10 on: 12 October 2021, 16:47:54 »

I should add, it's been like that for about a month now, only doing short journeys.

I'm reasonably confident with it.
:y

If doing just short journeys, esp now its got darker, wetter and colder, it might be worth regularly keeping it topped up.

Don't worry, I intend to.

I will add, an 18 hole golf trolley battery that would barely last for 9 holes, lasted another 18 months after reconditioning.
I didn't know you were a golfist, AA. Bit of a posh bastid are we?  ;D

Oi! Less of the posh!

Haven't played golf for nearly 10 years now.  :P
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Re: Reconditioning an AGM battery.
« Reply #11 on: 13 October 2021, 06:21:20 »

Haven't played golf for nearly 10 years now.  :P
I'm guess I haven't for at least 8 years, seeing as all my bats ended up in orbit.
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