BL1440 BL1430 BL1415 Serial PCB board for 14.4V Makita PCB Board – LLT POWER ELECTRONIC
Amazon.com: MOOKEENONE Lithium Ion Battery Case PCB LED Indicator for Makita 18V Battery Charge Protection Circuit Board PCB Adapter : Tools & Home Improvement
MAKITA GM00001384 - MAIN PCB ASSY - Original OEM part