Why does a CTec read less V than other charges
Submitted: Sunday, Dec 07, 2014 at 14:23
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CSeaJay
Forumites.
Question (hopefully not a silly one)
1) When I charge my battery with a 240V charger, and take the V at the terminal, it usually reads 14.+ V
2) When I charge the battery from a 80W sloar using a $70 simple solar regulator from JCar, I read 14+V at the battery terminal
3)When I connect that same panel to the same battery but through a CTec D250s Dual, then I only read 13.6V at terminal
Is this to do with the smarts of the CTek, or is something wrong? Note all the correct lights are on, no error flashings etc.
I would welcome comments on whether I should have the Ctek checked out?
CJ
Reply By: Geoffr17 - Tuesday, Dec 09, 2014 at 20:37
Tuesday, Dec 09, 2014 at 20:37
I have the D250S dc-dc charger in my CT.
I have never measured the voltage out of the Ctek to the battery at more than 13.6 v. , with the car running.
It does charge up the battery to around 12.9 v when driving even after using it for a couple of days and running it down to 12.2 v.
the 240v charger does read 14.4v when I use it.
So seems to work at 13.6v , but the details of the Ctek do indicate that it will boost any supply Voltage above 11.0 v to 14.4v to charge the battery , but as I said before never seen the Voltage above 13.6 v ?.
I do not have Solar , so no figures .
Geoff.
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