Fast charger specially developed for XGT 40 V Max Li-ion batteries. With the optional ADP10 charging adapter, the charger is also suitable for quickly charging LXT 14.4 V and 18 V batteries. Battery charging times: BL4020: 100% in 22 minutes or 80% in 15 minutes. BL4025: 100% in 28 minutes or 80% in 19 minutes. BL4040: 100% in 45 minutes or 80% in 31 minutes. BL4050F: 100% in 50 minutes or 80% in 38 minutes. BL18060B (with adapter ADP10): 100% in 50 minutes or 80% in 27 minutes. The charger is equipped with two fans: one to forcefully cool the battery and one to cool the charging circuit. By combining these techniques, high temperatures in the battery and charger are prevented, which extends the life of the battery and significantly accelerates the charging process. Result: an optimal charging system. Can be used with LXT batteries in combination with the ADP10 adapter. Melody plays when the battery is fully charged. Integrated cooling fan ensures less heat development. Can be mounted on a wall as a wall charger. Clear LED lighting in three colors for charging indication.