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Battery charging question #4606982
12/18/17 09:12 AM
12/18/17 09:12 AM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
When you charge a car battery, can you charge it "on vehicle" or should the battery be disconnected from the vehicle to be charged?

I will be using a solar prologix 2320 to charge a tired Bosch 96R on the 10 amp setting


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Battery charging question [Re: SilverFusion2010] #4607000
12/18/17 09:37 AM
12/18/17 09:37 AM
Joined: Nov 2009
Posts: 4,943
Houston, Texas
motor_oil_madman Offline
motor_oil_madman  Offline
Joined: Nov 2009
Posts: 4,943
Houston, Texas
If you can jump start a battery with it connected I think charging will be fine.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: Battery charging question [Re: SilverFusion2010] #4607007
12/18/17 09:49 AM
12/18/17 09:49 AM
Joined: Dec 2017
Posts: 400
Massachusetts
VeryNoisyPoet Offline
VeryNoisyPoet  Offline
Joined: Dec 2017
Posts: 400
Massachusetts
The biggest concern for charging on vehicle with an external charger is accidentally exposing vehicle systems to too much voltage. The PL2320 appears to be a multi-phase electronic charger, so there shouldn't be any issues as long as there are good connections.

Make sure battery terminals and clamps are clean and tight so the charger "sees" the true voltage at the battery and isn't tricked by resistance and voltage drop at the terminals.


1998 V70 GLT / 192k miles [10w-30 Valvoline Syn w/ Maxlife Tech + Mann W917 filter]

"Use yah blinkah!"

"Be nice. The alternative involves an air horn and 7000 lumens of high beam."
Re: Battery charging question [Re: SilverFusion2010] #4607020
12/18/17 10:19 AM
12/18/17 10:19 AM
Joined: Jun 2014
Posts: 1,776
Ca.
UncleDave Offline
UncleDave  Offline
Joined: Jun 2014
Posts: 1,776
Ca.
You can maintain and charge in the vehicle but you should not attempt a high volt desulphation/ recondition /recovery while connected.

I don't know if it has a sensing circuit to determine if its connected or not like my optimates do.


UD


Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Battery charging question [Re: SilverFusion2010] #4607074
12/18/17 11:20 AM
12/18/17 11:20 AM
Joined: Sep 2007
Posts: 969
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 969
TX, USA
You can always disconnect the cable without taking the battery out.
Then hook up the charger?
I don't think that will harm the vehicle electrical system.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Battery charging question [Re: SilverFusion2010] #4607121
12/18/17 12:04 PM
12/18/17 12:04 PM
Joined: Sep 2015
Posts: 5,868
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,868
Kalifornia Kollective
It resets the ECU, clock, some radios, maybe other stuff. A smart charger that is not "reconditioning" a battery will be fine in the vehicle smile

If doing heavy duty reconditioning, do it out of the vehicle.


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Battery charging question [Re: SilverFusion2010] #4607232
12/18/17 01:37 PM
12/18/17 01:37 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
Yeah I'll leaning toward disconnecting the cables to charge. I may also use the 2 amp charge setting because I think it will go into desulfurization mode


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Battery charging question [Re: SilverFusion2010] #4607292
12/18/17 02:36 PM
12/18/17 02:36 PM
Joined: Feb 2007
Posts: 3,647
Southeast
meep Offline
meep  Offline
Joined: Feb 2007
Posts: 3,647
Southeast
supporting above comments on desulfation - I doubt any of the consumer desulfators have enough kick to harm vehicle electronics, which are heavily filtered. If anything, the vehicle will present enough capacitance to the charger to reduce miniscule desulfation spikes to being useless.

A higher power desulfator, I would NOT run with the battery connected. I have had higher power desulfators take out parallel battery chargers.


2018 F150
2015 crv (wifey!)
Re: Battery charging question [Re: SilverFusion2010] #4607299
12/18/17 02:42 PM
12/18/17 02:42 PM
Joined: Jun 2015
Posts: 663
Arizona
Kawiguy454 Offline
Kawiguy454  Offline
Joined: Jun 2015
Posts: 663
Arizona
There is no Mode in an automotive battery charger that the vehicle will get fried from. To think any different is just ignorant. Automotive electronics are engineered electrically and are generally much higher quality than what you find in a Chinese made TV.

Re: Battery charging question [Re: SilverFusion2010] #4607363
12/18/17 03:42 PM
12/18/17 03:42 PM
Joined: Jun 2003
Posts: 5,921
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,921
Illinois
Hook the ground to the engine last too.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Battery charging question [Re: SilverFusion2010] #4607438
12/18/17 05:00 PM
12/18/17 05:00 PM
Joined: Jan 2016
Posts: 315
Cheshire, England
barryh Offline
barryh  Offline
Joined: Jan 2016
Posts: 315
Cheshire, England
The car owners manual may state the maximum safe charging voltage. Mine says 14.8 volts.


Barry

1979 BMW R45 (Triple QX 5W40)
2009 Mercedes C180K (Shell Helix Ultra 5W40)
Re: Battery charging question [Re: SilverFusion2010] #4607517
12/18/17 06:48 PM
12/18/17 06:48 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
So. 2amp desulfurization or 10amp desulfurization charge rate. It's a 45aH battery


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Battery charging question [Re: SHOZ] #4607529
12/18/17 06:58 PM
12/18/17 06:58 PM
Joined: Jun 2003
Posts: 33,111
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,111
ME
Originally Posted By: SHOZ
Hook the ground to the engine last too.


Plug in the charger's AC connection last.

If you do a hot n heavy charge that burps acid your car will appreciate you doing that somewhere else. 10 amps should not do this, though.

Re: Battery charging question [Re: SilverFusion2010] #4607592
12/18/17 07:54 PM
12/18/17 07:54 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
Which will be more effective at desulfating the battery? 10amp or two amp charge?


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Battery charging question [Re: SilverFusion2010] #4608602
12/19/17 07:45 PM
12/19/17 07:45 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
Ok so I think this battery is about to become a core charge unless a miracle happens overnight. Ran the battery down to 8.9V with headlights and stereo. Hook up the prologix 2320, started 10amp charge. It did not go into desulfurization mode. I can SEE the white crystals on the plates through the watering holes!

I might pick up a battery minder or a dedicated desulfurization charger if I can find one.

Anybody know of a 96R group size or something that will fit and has both top posts and side terminals?


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
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