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Guest Message by DevFuse

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Register your Fusion Hybrid at the official Ford authorized registry here.


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Hybrid battery reconditioning service


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27 replies to this topic

#21 OFFLINE   acdii

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Posted 24 June 2014 - 12:52 PM

With mine, I have yet to notice it, but then again I normally have a full charge on the HVB for a good portion of my daily drives. 


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#22 OFFLINE   lolder

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Posted 24 June 2014 - 02:00 PM

I haven't ever experienced that but I have had a number of times with the white FFH where we turn the car off with the SOC near the middle and when starting the car it is all the way at 100%. The ScanGauge/Torque app even confirm that the displayed SOC is at 100%. This has happened at least a half dozen times in the white FFH in the 5000 miles we've driven it. On all occasions where this has happened the car was only shut off for 10-15 minutes. I wonder if this has anything to do with cell rebalancing and how the car calculates the SOC of the HVB.

I don't think the HVB can re-condition while the car is off. The generator has to charge it. What year is the white FFH? My 2010 re-cons roughly every 8K miles.



#23 OFFLINE   hybridbear

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Posted 24 June 2014 - 10:47 PM

I don't think the HVB can re-condition while the car is off. The generator has to charge it. What year is the white FFH? My 2010 re-cons roughly every 8K miles.

2013 as it shows in my signature. I don't think it will when off either but maybe it was doing something while on which caused this.

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#24 OFFLINE   lolder

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Posted 24 June 2014 - 11:08 PM

Very puzzling.



#25 OFFLINE   acdii

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Posted 25 June 2014 - 08:14 AM

Ghostsss. Thats what you need to name that car, the Ghost! 


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#26 OFFLINE   akaroot

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Posted 10 February 2019 - 03:48 PM

Can you manually trigger a reconditioning event? Ever since our 2010 FFH sat 6 months waiting for a Takata air bag, it has not behaved normally. It stays fully charged and only discharges down to 1/2 charge when driving at highway speeds for 30 miles or so. Back to street speeds it fully charges up again. EV light will only light when fully warmed up, sitting at a redlight with foot on brake. Engine starts immediately when brake is released.



#27 OFFLINE   Automate

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Posted 11 February 2019 - 09:27 AM

Every cell in the HVB is apparently monitored for conformity with all the rest. If I read the pdf correctly it appears the trigger point for reconditioning is a cell voltage difference of 0.075 V. in the LiIon HVB's.

 

@Iolder,  I know it's been a long time, but do you have a link to the PDF you mention?



#28 OFFLINE   lolder

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Posted 11 February 2019 - 03:13 PM

Sadly no. My car about two years ago had three overnight events where the HVB showed very low in the morning. It operated normally but the upper limit of EV power available inched down and the max EV speed reduced to about 35 mph. I attributed that to shorted cells that reduced battery voltage slightly. That has a direct effect on maximum EV speed. It would go just as far on EV as previously but obvioiusly had less power. This is different from what you people are reporting but it may be differing degrees. My car continued to charge 1/2 way as usual. It didn't do a reconditioning after these events which had occurred about every 8K miles. The car has been passed on to my grandson last year and apparently is still operating as when I had it.






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