Makita 18V LXT 4-Port Lithium-Ion Battery Multi-Charger
Model # DC18SF
Accepts 18V LXT 6.0Ah, 5.0Ah, 4.0Ah, 3.0Ah, 2.0Ah and 1.5Ah Batteries
Can charge two batteries at the same time. Left two ports and right two ports are pairs respectively. One pair can charge a battery at one time