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Note: After the upgrade, the is , and the battery performance must be good (high discharge rate, internal of capacity) After the upgrade, it can support the two-way fast charging of charging and discharging, such charging the bank with the charger of the notebook, and then charging If you 't need to charge and discharge at the time, you can also output to two fast charging devices at the time The bank can be connected to the computer with a cable, and the bank and the notebook can be at the time. At the time, it can also be sent to the hand through the usb port phone or other device charging However, the cannot be reached, and the battery may heat up badly. It is recommended not to reach the maximum at the time