E go Battery flashing red repeatedly, fan powers up on charger and then quits, tried a new charger and no different. It's clearly less then three years old, but when I spoke to the rep she asked for my proof of purchase which I don't have. Now what?
My 5AH battery did this today; charger cycled on/off quickly (clicking), with green light flashing in sync; battery light was flashing red quickly. When off the charger, the battery light would not light at all. I have 2 standard chargers, and it did this on both chargers. I couldn't find a satisfactory explanation in battery or charger manuals. I decided to leave it on the charger (still doing the weird on/off thing) for a few minutes, then swapped chargers, and it began charging normally. It took a full charge and seems fine now, so all I can think is it had become extremely discharged.