<p>This product is Charging Protection Circuit Board without battery core.</p> <p>It is used to repair and assemble batteries pack, only for people who are familiar with battery performance and have practical experience in battery assembly.</p> <p>Built-in IC detects cell voltage and current. and remember the number of uses!</p> <p>Detection and protection battery:Overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, overcharge protection.</p> <p>All the new series of for achieve low voltage shutdown. Cooperate with many power tool factories!</p> <p>Stable quality and anti-vibration. It is the best partner of for torque wrench and impact drill and angle grinder, etc.</p> <p>Color: Blue, or white, or Green, or Red, etc. any color, PCB color and version number are different according to the actual latest inventory.</p> <p>PCB design may change due to changes with the supply chain and processing technology.</p> <p>Colour: green</p> <p>Material: metal + plastic</p> <p>Package Contents:</p> <p>1 set * Lithium battery charging protection circuit board assembly (not including lithium battery)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>