MAKITA Y-00359 - 18V Dual Port Charger with 2 5.0Ah BatteryIdeal for purchase with bulk 'Z' tools. DC18RD Li Ion Dual Port Rapid Charger charges 2 x 18V Li Ion batteries simultaneously. Charges 2 x 18V BL1850B 5. 0Ah Li Ion batteries in just 45 minutes! Optimum Charging System incorporates 3 Active Controls (current, voltage and temperature) that provide an optimal charge and ensures batteries cannot be over discharged or over heated during the charging cycle. Features Ideal for purchase with bulk 'Z' tools