My battery check light goes on - att first intermittanly, now almowt on all the time. Have had it to 2 shops and battery is OK as well as the alternator output. No problem with starting or anything else.
battery light on 2004 Ford Escape
the battery light circuit has a problem. it may be a bad ground, an intermittent open, or something is leaking voltage in to the circuit. I would find a good electrical shop. I would have your instrument panel scanned as well at a good shop.