rich28uk
Well-Known Member
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- 635
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- Manchester
Didn’t ask him about receipt, will catch him tomorrow, I will have a look into them chargers.
Knackered battery
- Thread starter rich28uk
- Start date
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- 6,165
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- North Manchester
Once it's running the alternator is powering the electrics and the battery gets what's left over. If I leave mine for a few days it takes about 4 hours for my charger to fully charge it from around 12.4v.
That doesnt sound good what does it drop to just standing?...
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Not on a modern car all the ecus will come to live with an initial hit
- Posts
- 6,165
- Location
- North Manchester
It's usually around 12.8v volt's after a run but it soon drops to 12.6v then obv loses a little each day.
I assume it's cos the suspension ecu keeps waking up every 4 or 6 hours (can't remember the exact time).
www.optimabatteries.com/experience/blog/fact-alternators-are-not-designed-to-charge-dead-batteries
Ignore the advertising of their own batteries.
Your neighbour's battery needs fully charging with a battery charger & then see what happens, but likely it's knackered.
20 miles will achieve little & his repeated short journeys will see the battery lose a bit more charge each time until it finishes up like this one.
Ignore the advertising of their own batteries.
Your neighbour's battery needs fully charging with a battery charger & then see what happens, but likely it's knackered.
20 miles will achieve little & his repeated short journeys will see the battery lose a bit more charge each time until it finishes up like this one.
