1bank blinking red , so I swap that battery to bank 2 now bank 2 is blinking red , battery is 6 months old, check volts and they are 12.55,, check other 2 batteries they are 15.30, don't think it charger because when you swap battery to different bank the red light blinking follows, could battery have short, any way to check battery
You have a serious problem. 15.3V is more than you should ever see on your batteries. Even when the charger is running wide open you shouldn’t see more than about 14.6V.
Not really any reason a battery at 12.55V should cause a charger any concern. Loose connection or reversed wires would be the most likely cause of the blinking light.
If you have integrity, nothing else matters. If you don't have integrity,
nothing else matters.
unhooked battery charger,, 2 batteries read 13.58 ,, the battery that is causing the blinking light is down to 11.80.. cant be charger be cause I swapped bank that works on other battery
If you have a manual charger hook it to that dead battery for a couple of hours, then plug in onboard charger. Maybe battery can be revived. Good luck.
Is this a trolling or cranking battery?
Wes
Bad battery.
2024 Phoenix 818, Mercury 175 (3B414035) Trick Steps, 3 Garmin 106 SV,s, LVS 34. BoatEFX dual bow mount. Ionic 12V 125AH, 2 12V 100 ah LiTime’s for the TM. Minn Kota 345 PCL charger,
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