Makita BDF456 DDF456 switch problem disassemble - YouTube
Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BDF456Z Power Tool, (Li-ion, 18V, 1500mAh) Ultra High Capacity, Replacement for Makita 194204-5 Battery : Tools & Home Improvement
Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BDF456Z Power Tool, (Li-Ion, 14.4V, 3000 mAh) Ultra High Capacity, Replacement for Makita 194065-3 Battery : Tools & Home Improvement