Item Name: QC3.0 Battery Charger Two Way USB Charging Hub For DJI Mini 3 Pro Drone. Product DescriptionProduct Description:Input: 5V/9V/12V--3A (max)Output: 8.5V==4.0A(max)USB output: 5V/2ACharging time: (input: PD 40W or higher)2453mAh battery about 90 minutes (45 minutes per battery)3850mAh long battery life about 130 minutes (65 minutes per battery)Product size: 8*6*6.2CMNet weight: 95g (excluding wire weight)Charging ambient temperature: 040CWhat's Included: 1 x Mini 3 Two-Way Butler, 1 x USB-A to USB-C Charging Cable, 1 x USB-C to USB-C Charging CableFor mini 3 Pro battery and long battery life.Features:1. You can check the battery level2. You can put up to 2 batteries, and charge them in order from high to low. Batteries with high power are charged first.3. Support PD, QC3.0 fast charging4. The MINI3 battery can be converted into a power bank to charge the remote control or other USB devices.5. It can also store batteries for easy portability.