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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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High Voltage Battery Miraculously Charging

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1 reply to this topic

#1 OFFLINE   newfordowner83


    New Member

  • Fusion Hybrid Member
  • 2 posts
  • Region:U.S. Northern Plains
  • Location:Iowa
  • Current Vehicle:Ford Fusion
  • My Hybrid's Year:2014

Posted 01 August 2018 - 10:58 AM

I'm not sure if this an appropriate spot to put this post but I have a concern: I am confident my car is running in the garage all by itself because my high voltage battery is almost fully charged the next time I get in my vehicle when it is usually below half charged when I get home. I started taking pictures of the battery gauge when I get out and compare it to when I get in.


I bought a tent and was camping in the yard next to the garage with my twin nephews (they are 3 and love to camp) and I woke up sometime in the night and heard something running. I thought my air conditioner compressor was going out (it was loud) because I didn't think it would be my car running in the garage with no one in it and I fell back asleep (and the air conditioner is fine). The next time I got in my car the high voltage battery was almost entirely charged. It's not a plug-in Energi, just a Hybrid so there is no reason the engine needs to run for oil maintenance or anything like that. 


Anyone else with this issue? 


2014 Hybrid Titanium, push-button ignition, 103,000 miles

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#2 OFFLINE   ptjones


    Fusion Hybrid Enthusiast

  • Fusion Hybrid Member
  • 704 posts
  • Region:U.S. Southern Atlantic
  • Location:Atlanta area
  • Current Vehicle:2013 CMAX SEL
  • My Hybrid's Year:2013

Posted 01 August 2018 - 12:10 PM

I find that if you stop the car and let it sit for an hour or over night if it was at 45% or more after the HVB cools off the SOC  will go up and I have seen 80% SOC on my ScanGaugeII.  I have also seen if you stop the car with 40% SOC or less if it sits over night it drops to as low as 27% SOC and the ICE will automatically turn on when you start the car to charge the HVB. Normal SOC range is 32 - 65% and only deviates from that with the cooling down of the HVB. :)



163299.png 600 Club

Current Record:  12/30/2014  902.2 mi.  63.8 mpg  14.13  gal. (Actual GPS:  922 mi.  68 mpg  13.5 gal.

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