General description This Li-Ion Battery Plastic Case is designed to hold 10 pieces of 18650 power Li-ion batteries. Please note that this is a plastic shell and does not include any batteries. It serves as a component for repairing and assembling battery packs, intended for individuals who are knowledgeable about battery performance and have practical experience in battery assembly. Technical specifications Capacity: Holds 10 x 18650 Li-ion batteries Material: Plastic Color: Yellow & Black (PCB color may vary) Dimensions: Measurement allowed error is +/- 1-3cm Charging and discharging protocols Input and output support: 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 fast charging protocols: QC2.0/QC3.0/QC3.0+ Usage After assembling the battery pack with the protective board, if there is no voltage output upon initial power on, activate it with a dedicated charger. Ensure that the voltage of each