General description This DCB609 Lithium Battery Plastic Case is designed for assembling and repairing battery packs using 15 pieces of 18650 power Li-ion batteries. Please note that this is a plastic shell and does not include any batteries. It is intended for users who are knowledgeable about battery performance and have practical experience in battery assembly. Technical specifications Compatible with 20V to 60V batteries Supports Type C input and output Automatically recognizes charging voltages: 5V/3.0A, 9V/3.0A, 12V/3.0A, 15V/3.0A, 20V/3.3A Charging and discharging protocols: AFC/FCP/SCP/Try/PD2.0/PD3.0/PD3.1 Discharge supports QC2.0/QC3.0/QC3.0+ fast charging protocol Color: Yellow & Black Material: Plastic Measurement allowed error: +/- 1-3cm Installation Before assembly, ensure that if using new cores, a group of 5/10 cores must be equipped with resistance and capacitance to equalize their voltage. If repairing old batteries, test the voltage at both ends of each cell and