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Old 08-19-2019, 08:48 PM   #1 (permalink)
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My charger never shuts off. Today I plugged it in with 45 miles on the clock and 7 hours later it was still running. Could I be overcharging the battery?
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Old 08-20-2019, 10:37 AM   #2 (permalink)
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Yes it’s best to stop charging it around 85% to 95% percent(for longevity reasons). I recently discovered a way how to communicate with the car to find out the percentage without turning it on.

1) Full version “Torque app” (I believe u can only download on android phones unfortunately)

2) Bluetooth ODB reader.
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Old 08-20-2019, 08:34 PM   #3 (permalink)
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My charger never shuts off. Today I plugged it in with 45 miles on the clock and 7 hours later it was still running. Could I be overcharging the battery?
The reason your charger doesn’t stop charging is because the charger is trying to balance out the hv battery . More than likely you have one or more battery modules that are bad . The question here is when the hv battery gets down to 10 miles does the miles drop off really fast ?
The hv battery was designed when its fully charged the charger shuts off no reason to stop it from charging all the way to 50 miles . The only way to tell if a module is bad the car needs to be hooked up to the Fisker laptop and hv battery data needs to be checked. This check should also be done when the battery is low on miles .
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Old 08-21-2019, 12:13 PM   #4 (permalink)
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thanks harleyguy. i am still confused because my car charges to 50 miles but the charger continues to run. how long should i let it run after the gauge shows 50 miles.
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Old 08-22-2019, 01:30 AM   #5 (permalink)
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Just leave it on, undisturbed, until the charger shuts off.
The charge continues to charge at a low current, that’s why it may take hour or even days to complete the cell balancing.
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Old 08-22-2019, 01:34 AM   #6 (permalink)
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thanks harleyguy. i am still confused because my car charges to 50 miles but the charger continues to run. how long should i let it run after the gauge shows 50 miles.
until it stops up to a week + if it doesn't stop you have a deviation issue with your pack and it is on the brink of failure
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Old 08-24-2019, 05:58 PM   #7 (permalink)
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Harletguy; after 16 hours my charger finally shut off. 50 miles on the meter, check engine light is off and my speedometer is back. All is right with the world. Thanks for your input.
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Old 08-29-2019, 11:30 AM   #8 (permalink)
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Default Battery issue

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Originally Posted by arkansaschic View Post
My charger never shuts off. Today I plugged it in with 45 miles on the clock and 7 hours later it was still running. Could I be overcharging the battery?

Arkan, I've been dealing with the same issue for almost a year. My charger stopped turning off. After having the battery checked, it was determined that 2 of my cells were bad. It was recommended by my mechanic to drive the car each time unit the battery is completely drained and then plug it in. I was getting a 50 mile charge after 14 hours of charging at which time I would unplug it, but when driving, the battery power would drop off when there was about 22 to 25 miles left on the charge. This has been going on for about 10 months. Recently I've noticed that my charger is once again turning off after a 14 hour charging cycle and what's even better, the battery power doesn't drop off until 12 to 14 miles are left. A lot better than 22 to 25 miles. I only have 21k miles on my car. So far the best price I've found for replacing the entire battery was $14,000. I'm holding off until the battery isn't charging anymore.

David
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Old 08-29-2019, 03:40 PM   #9 (permalink)
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Originally Posted by Wdavidkl View Post
Arkan, I've been dealing with the same issue for almost a year. My charger stopped turning off. After having the battery checked, it was determined that 2 of my cells were bad. It was recommended by my mechanic to drive the car each time unit the battery is completely drained and then plug it in. I was getting a 50 mile charge after 14 hours of charging at which time I would unplug it, but when driving, the battery power would drop off when there was about 22 to 25 miles left on the charge. This has been going on for about 10 months. Recently I've noticed that my charger is once again turning off after a 14 hour charging cycle and what's even better, the battery power doesn't drop off until 12 to 14 miles are left. A lot better than 22 to 25 miles. I only have 21k miles on my car. So far the best price I've found for replacing the entire battery was $14,000. I'm holding off until the battery isn't charging anymore.

David
You also may consider a battery upgrade with a 60kWh battery from Powersource


Although I don't know what the actual status of availability is.
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Old 09-08-2019, 11:55 AM   #10 (permalink)
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Thanks for your input David; I t seems that our problems are similar except that my battery seems to be working perfectly. It charges to 50 miles and seems to deplete at a normal rate. The bad part is that the charger does not shut off and the check engine light is on with a code indicating a bad battery module. Is your check engine light on?
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