General description This Makita BL1850B/DC18RC set includes 2 x 5Ah 18V Lithium-Ion batteries and a DC18RC fast charger. The LXT Lithium-Ion battery and optimum charging system provide 280% total lifetime work with 2x more cycles, making it an excellent choice for demanding applications. Technical specifications Battery type: LXT Lithium-Ion Battery capacity: 5.0Ah Voltage: 18V Charger model: DC18RC Cooling system: Yes, with a built-in fan Self-discharge rate: 5x lower than standard batteries Compatibility and accessories Compatible with all Makita LXT 18V machines Charging adapter ADP03 for Ni-MH slide-on batteries (9.6V to 24V) Charging adapter ADP04 for Ni-Cd and Ni-MH rod and block batteries (7.2V to 18V) Installation Simply connect the DC18RC charger to a power source and insert the battery for charging. Usage Ideal for high-drain applications requiring maximum battery power. Battery's built-in Memory Chip communicates with the charger to optimize charging and extend battery