Our Professional-X charger has an impressive 210-minute rapid charge time on Professional-X battery BAX1500. A fan cooled charging system prevents the battery and charger from overheating. The LED charging / diagnostic indicator also provides constant feedback on battery status and recharge levels. It can also charge on two settings, standard and rapid – so you can choose at which speed you need your battery to be replenished. BAX1500 56V Battery 1568WH Battery: 420-minute charge time and 210-minute rapid charge time