Lithium Battery Plastic Case for 18V 20V Box Shell

It can be loaded with 10 pieces of 21700 power lithium batteries, But this is plastic shell, there is no battery inside. No-Original, New, No Battery Cell !!!!!! This battery shell is suitable for 21700 batteries, not 18650 batteries, please note. 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. This product is component without battery core. DIY (semi-manufactured goods, No battery). Very important: that the voltage of each cell is the same before welding PCB. Advance notification: (1). To use this product, you need to have some professional knowledge and experience. We do not that you can use it well. (2). It requires you to have assembly tools. If you do not have these tools, please do not place an order! (3). The label and nickel may not be exactly the same as shown in the following picture and may change with the batch. Please do not mind! Do not purchase if you mind. Please be kindly noted: (1). PCB color may be any color according to our stock, (2). PCB design may change with the same function and performance guaranteed. (3). The number and position of components on the PCB may change and be adjusted. Preparation before assembly: (1). If a new core is used, please note: a. 21700 power lithium battery core must be , It is suggested that the discharge rate should be higher than 10C. the discharge rate equal 10C 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. Color:Black Material:ABS Package Contents: 1 * Li-ion Battery Case 1 * PCB Circuit Board(The color is random, and the designation is not accepted) <br