Features:
Support QC 3.0 PD fast charge, input PD 40W or above.
2453mAh battery charging time is about 45 minutes
3850mAh battery charging time is about 65 minutes
Check the battery level, insert the battery into the USB charger, the battery level will be displayed for 5 seconds. 4 lights is 100%, 3 lights are always on and one flashes 87.5 %, 3 are always on 75%, 2 are always on and one is flashing 62.5%; 2 are always on 50%, one is always on and one is flashing 37.5%; one is always on 25%, and one is flashing 12.5%.

Specifications:
Material: Plastic
Input: 5V/9V/12V--3A
Output: 8.5V==4.0A(max)
Product size: 6*2.6*4CM/2.36*1.02*1.57"
Applicable For DJI Mini 3 Pro Battery and Long Battery Life

Package includes:
1 x USB Charger
1 x USB-A to USB-C Charging Cable
1 x USB-C to USB-C Charging Cable