Fangrui Product Details Dc 5v1a Power Supply, The Input Interface Is A Standard Type-c Port, And It Is Also Equipped With A Usb To Type-c Cable And A Ni- Battery Pack + Two Battery Covers, Which Is Very Convenient To Use. The Built-in Circuit Has Overcurrent Protection For Input Current, Short Circuit Protection For Output, And Overvoltage And Reverse Polarity Protection For Battery Charging. This Product Uses A Dedicated Ni- Battery Charging Management Ic Design. When Charging, When The Ni- Battery Voltage Reaches 2.85v, It Automatically Stop Charging, Which Can Effectively Protect The For Handle And The Ni- Battery Pack. It Also Has Over-voltage Protection, Over-current Protection, Output Short-circuit Protection And Reverse Polarity Protection. When Charging, You Can Directly Know The Charging Status Of The Battery Pack On The Handle From The Light-emitting Color Of The Two Handle Patterns On The Front Display Panel, Which Is Very Intuitive. When The Input Power Is Sufficient 5v 1a, The Maximum Charging Current Of A Single H