For Makita Li-ion Battery PCB Protection Circuit Board 18V 3 6 9Ah Bl1830 Bl1840 Bl1850 Lithium Battery Power Tool Specification: *It is 18V, and 14.4V on the circuit board means that connecting the silver part with solder supports 14.4V, which is not connected by default. *Compatible with: For 18V bl1830 bl1840 bl1850 Power Tool Lithium Battery *:can use many times will not broken until the battery cells dead *Main Function: Overheat , overvoltage , undervoltage , overcurrent , overcharge *Easy to use *PCB design may change due to changes in the supply chain and processing technology *Material: Copper clad laminate *Color: Random *Voltage: 18V *Size: Approx. 4.6x3.3cm *Optional: PCB Circuit Board or LED Circuit Board Package Contents: 1 x Circuit Board Note: 1. The actual color of the item may be slightly different from the picture displayed on the website, which is caused by various factors such as the brightness of the monitor and the brightness of the light. 2. Please allow for slight manual measurement deviations in the data. _x000D_ _x000D_