Fangrui Product Details Fangrui Product Details Note: This Product Has No Reverse Connection Protection, The Input Polarity Cannot Be Reversed, Otherwise The Product Is Permanently Damaged And Cannot Be Repaired. Application: Assist To Measure Micro-usb Cable Good Or Not. Assist To Measure Type-c Cable Good Or Not. Assist To Measure Output Current Capacity Of Charger Good Or Not. The Usage Of Large Batch Ageing Test At The Charger Factory. Set Button: Set To Switch Display Status, And Hold The Button To Set The Load Output Recovery Mode After Protection Removed. On/off Button: The Button To Open Or Close Output. And Hold The Button To Set The Boot Default Status Of Open Or Close. Note: Please Check The Output Current Of Power Bank Carefully. The Current Of The General Power Bank Is Generally Small, So Adjust Smaller Current When The Load Was Used. Specifications: Product Model: Ld25 Rated Operational Voltage: Dc4-25.0v Max Discharging Power: 25w / 35w Rated Operational Current: 0.25-4.00a / 5.00a (when Fan Dont Work, The Minimum Constant Current Is 0