Makita 18 Volt LXT Lithium-Ion Dual Port Rapid Optimum Battery Charger

Charges two batteries simultaneously. Rapid Optimum Charger communicates with the battery's built in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. Built-in fan circulates air through the battery during the charging process to cool the battery for faster charge time. Optimizes battery life by actively controlling current, voltage and temperature. Built in USB port for charging portable electronic devices.