After the upgrade, it can support the two-way fast charging function of charging and discharging, such as charging the power bank with the charger of the notebook, and then charging The power bank can be connected to the computer with a cable, and the power bank and the notebook can be at the same time. At the same time, it can also be sent to the hand through the usb port phone or other device charging If you don't need to charge and discharge at the same time, you can also output to two fast charging devices at the same time Note: After the upgrade, the power is very large, and the battery performance must be very good (high discharge rate, consistent internal resistance of capacity) However, the power cannot be reached, and the battery may heat up badly. It is recommended not to reach the maximum power at the same time Quick charge:Yes Type:USB Model Number:100w fast charging module Output Interface:USB Output color: Material:plastic Package Contents: 2 x IP2368 Bidirectional 100w Fast Charging Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.