This Makita Lithium-Ion Battery Charger charges slide-on type batteries from 7.2V to 18V. The Charger uses an Advanced Rapid Charging Technology, which analyzes the battery condition based on current control and voltage control, then chooses the optimum rate of charge.

When in use the Charger has a fan that blows cool air on the battery, extending it's life. Complete charging takes only 30 minutes.

The charger communicates with the individual cell in battery with a built in CPU and then it controls current, voltage, and temperature for both rapid and optimum charge, therefore the battery has longer life as it can be charged in the best method and duration