5/10/15*18650 21V 100A Power Tool Accessories Li-Ion Battery Case For Mak Bms Box Charging Pcba Holder Led Power Display 4Mos

Description: 1.This product is a coreless battery assembly.It is intended for use in the repair and assembly of battery packs that it is only suitable for personnel who are familiar with battery performance and have practical experience in battery assembly. 2. This product does not have after-sales service, it is just a set of comits without batteries. You need to use your own 5/10/15 cores of 18650 power lithium batteries to assemble a batty pack. Please purchase with caution you have any objections, please do not place an order. 3. Manual measurement has errors, the size chart is for reference only, based on the physical item you received. 4.Preparation before assembly: You must have 18650 li-ion batteries and the tools such as spot welding machines, soldering irons, multimeters, and suitable chargers, etc. (1). If a new core is used, please note: a. 18650 power lithium battery core must be selected, b. A group of 5/10/15 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. Specifications: Material: Plastic , Metal Dimensions: As shown in the picture Color: As shown in the picture Package Included: 1Set x Li-ion Battery Case Note: 1. Please note that the photo does not show actual size please refer to Description for size details. 2. Please allow differences due to manual measurement thanks. 3. Due to the difference between different monitors the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.