Makita DC18RD/1 14.4-18v LXT Li-Ion Dual Port Twin Rapid Optimum Charger 110v The Makita DC18RD/1 110v twin 18v Li-ion charger, charges 2 batteries simultaneously and features a USB port for charging mobile devices. The rapid charge technology selects the optimum voltage and current and temperature is controlled by the forced air system that circulates air through the battery to prevent overheating. and a full charge sound alert confirms when the charge cycle is complete. MAKITA DC18RD/1 FEATURES Built-in USB port for charging portable electronic devices 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 1 year warranty on the charger A USB port that provides 1.5A output for charging smart phones, tablets, etc Full charge sound alert LED charging display Twin charging ports Forced cooling system Electronic current limiter for overload protection MAKITA DC18RD/1 CHARGE TIMES Charges 2x 18V Compact Lithium-Ion 2.0Ah batteries in only 18 mins Charges 2x 18V LXT® Lithium-Ion 3.0Ah batteries in only 22 mins Charges 2x 18V LXT® Lithium-Ion 4.0Ah batteries in only 36 mins Charges 2x 18V LXT® Lithium-Ion 5.0Ah batteries in only 45 mins Charges 2x 18V LXT® Lithium-Ion 6.0Ah batteries in only 55 mins MAKITA DC18RD/1 SPECIFICATION Battery Range: 14.4 - 18 v Battery Type: Li-ion Input Voltage: 110v