Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BSS501 Power Tool, (Li-ion, 14.4V, 1500mAh) Ultra High Capacity, Replacement for Makita 194065-3 Battery : Tools & Home Improvement
Makita 450128-8 Battery Cover for Makita BSS501
136mm x 20 x 16T Wood Cutting Saw Blade for Makita BSS501 and Panasonic 135mm | eBay