Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita DCS551Z Power Tool, (Li-Ion, 14.4V, 6000 mAh) Ultra High Capacity, Replacement for Makita 194065-3 Battery : Tools & Home Improvement
Makita DCS551Z: Cordless Metal Saw, 150mm(5-7/8"), 18V, 3900rpm
Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita DCS551Z Power Tool, (Li-Ion, 14.4V, 6000 mAh) Ultra High Capacity, Replacement for Makita 194065-3 Battery : Tools & Home Improvement