Oooooooooohhhh Yeeeaaaahhhhhh !! — One bad battery can suck the life out of two good ones in a heartbeat . — The possibility is that the one battery just ” surface ” charged . — Sure sign of a bad battery . — Fully charge all 3 , take them off the chargers and let them sit for several hours , THEN use your meter on them . — My guess is youll have a low one . — Hoss