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Discussion Starter · #1 ·
My new 570S recharges to a 50 day life very quickly but the battery runs down very quickly also. I left it for two weeks and it was almost completely discharged. Is the 50 day guide inaccurate?
 

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Discussion Starter · #3 ·
Thanks for replying. I’ve got the trickle charger from McLaren. I just never used it. Do you use it even if just a few days without driving?
 

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Thanks for replying. I’ve got the trickle charger from McLaren. I just never used it. Do you use it even if just a few days without driving?
Yes I always connect to the charger.
Do you power down and lock your car? There can be a significant current drain if car is not fully powered down and locked. Also short drives may not restore the battery to full charge.
 

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Discussion Starter · #5 ·
I’ve unwrapped the charger from its box and will use it starting tomorrow. Thanks for taking the trouble to answer.

When I park in the garage I put the park break on, switch off the engine and then lock the car after I get out using the key fob. The wing mirrors fold in and after a brief period all the lights go off. I think it is fully powered down.

I tend to leave my iPod in the car and connected. I don’t know if that drains battery.
 

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I’ve unwrapped the charger from its box and will use it starting tomorrow. Thanks for taking the trouble to answer.

When I park in the garage I put the park break on, switch off the engine and then lock the car after I get out using the key fob. The wing mirrors fold in and after a brief period all the lights go off. I think it is fully powered down.

I tend to leave my iPod in the car and connected. I don’t know if that drains battery.
Yes I doubt the iPod takes much power. Congratulations on your new car — hope you are having a blast driving!
 

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Make sure the keys are not too close to the car as the car can be “awake” since it sense the key

I figure if it’s out of range for touching to unlock it won’t be a drainage source
 

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Discussion Starter · #8 ·
Helpful thanks. I am loving it. I had an Audi R8 V10 Spyder before but the McLaren is a big step up. It’s awesome.
 

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Macca recommends always keeping it on the charger, even if it's just for a couple of days. And with Mac charging $3K for a battery, it is a good idea to maintain it.

I am currently working on a solution for battery replacement (when we need them), that will probably be less than $1K.
 

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No, this is incorrect. If the cluster says 48 days then it should be 48 days, not 3!.
Something is wrong. Mine started doing something similar recently. I was using the car less and assumed batery may be losing a bit after 3 years. Turns out mac installed the dashcam slightly incorrectly and was draining the battery a bit. Now all back to normal. Leave the car sit all week and barely much change to charge. 2016 model
 

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Me too... I’ve literally left it for weeks and came back and it still said 30 days left and started without issue... I had a 458 before and if you left that for more than a week you were rolling the dice so always kept a battery booster in the car ready... which I used once on another 458 which was holding up an entire car rally stuck at the front.


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