Product Description

The Ugreen PB537 20000mAh power bank features a built-in 55W USB-C cable, along with an additional detachable USB-C port and a 22.5W USB-A port, allowing for simultaneous charging of multiple devices without needing separate cables. Compared to the PB536, the PB537 increases the output charging power to 55W and adds support for the Xiaomi 55W protocol — ideal for users of Xiaomi flagship phones and slim laptops who need a powerful backup power source while on the go.

The PB537 features a USB-C cable integrated directly into the battery body, with a 5-pin connector on the cable end. This cable serves as both the primary charging output with a maximum power of 55W and the preferred input for recharging the power bank itself—the system automatically detects the connection orientation via the pin CC interface, eliminating the need for additional cables. The integrated design makes it more compact for travel and eliminates the risk of forgetting the cable while on the go.

Note: The built-in cable and the detachable USB-C port cannot both function simultaneously in input mode — when charging the power bank, the built-in cable is preferred.

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