"They should be wired in series and you should charge them as a 12 volt battery"
OK, I did that but now there is a red light on mu 12V battery charger even though both individual batteries are connected in series and one checked with 6.00 Volts, while the other was 6.18 Volts.
I connected charger/red clamp to one battery to positive (+) post and black clamp to another battery to negative (-) post. However, the red "check" light is on. What am I doing wrong?
Thanks for all your help!
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Nick & Joyce
1998 Holiday Rambler Vacationer
2005 Ford Focus TOAD
I think I remember your first post. If I remember you were using the 6 Volt setting on your charger and you were charging each 6 volt batttery 1 at a time. Now that you are charging 2 6 volt batteries in series, as 1 large 12 v battery, did you change the switch on the battery charger to the 12 V position?
Othertonka
2004 Southwind 32VS
2002 CRV Toad
U. S. Gear Unified brake system
Retired Fire Captain, SFD
othertonka, I used my other 12V battery charger, although I tried with the new I just bought as well by switching to 12 Volt setting but still have the “check” red light.
Well, since I have no idea what's going on, I plugged it into a 120V AC house receptacle (which I should have done in the first place) and will have the batteries charged through the RV converter.
You should have the positive from one battery connected to the negative of the other battery with a short, I call it a jumper, wire. Nothing else should be connected to these 2 posts, including your battery charger. The other posts have the wires that go to the coach- those are the ones that you connect your charger to. Hope that is clear- a picture would be worth a thousand words in this case.
Thanks jackMS, I’ve got it this time (I think).
The first part I've done right (connected positive from one battery to the negative post of the other). But, I also connected charger to the same posts by respective polarity and this is where the problem seemingly is.
So, if I understood you correctly I should have connected charger to the other two posts with respective polarities, then it would've been OK.
Thanks a million, I'll try again just for the heck of it (after all, I might learn something even at this old age).
