BL1830 For Makita 18V 3.0Ah 6.0Ah Li-ion Battery Case Charging Protect Circuit

Plastic Case ( no battery cell ) and PCB For MAKITA BL1830 BL1840 BL1850 Li-ion Battery This product is component without battery core . 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. No Original, 100% Brand New, No Battery Cell !!!!!! it can fill 10 pieces of 18650 li-ion batteries with LED battery status indicator. But this is only a shell, there is no battery inside. Preparation before assembly: (1). If a new core is used, please note: a. 18650 power lithium battery core must be selected, b. A group of 5/10 cores must be equipped with resistance and capacitance to make their voltage the same. (2). If the old battery is repaired, please test the voltage at both ends of each cell. If the voltage is different, please charge each cell to the same voltage value. Very important: Ensure that the voltage of each cell is the same before welding PCB. 1. " BOXPCB-3Ah-Label " Package include: As the following picture: ( no battery cell inside) 2. " BOXPCB-4Ah-Label " Package include: As the following picture: ( no battery cell inside) 3. " BOXPCB-5Ah-Label " Package include: As the following picture: ( no battery cell inside) 4. " BOXPCB-6Ah-Label " Package include: As the following picture: ( no battery cell inside) Note: 1. There are no batteries in the package !!!!!! 2.If you need batteries, please don't place orders ! 3. If you don't have the knowledge of battery assembly, please don't place an order !