1. This 3-in-1 Battery Hub & Charger is designed for DJI Mini 4 Pro, Mini 3, and Mini 3 Pro drones, compatible with both standard and long-flight batteries. It efficiently charges and manages up to 3 batteries sequentially while offering smart power preservation features.
2. Smart Sequential Charging: Charges up to 3 batteries automatically in order of highest to lowest charge level, prioritizing fully depleted batteries last.
3. Dual charging modes to extend battery life:
-- Full charge mode: Quickly charges the battery to full.
-- Storage mode: Charges batteries with less than 60% power to 60%-65%, suitable for long-term storage (batteries with more than 60% power are not charged).
4. Fast Charging Support: Compatible with PD and QC 3.0 protocols. When paired with a 35W+ PD adapter:
--Charges 3x 2453mAh batteries in ~150 mins (50 mins per battery).
--Charges 3x 3850mAh batteries in ~225 mins (75 mins per battery).
5. Real-Time Battery Check: Insert the battery into the charger to view its remaining power for 5 seconds, eliminating the need to place it back into the drone.

Technical Specifications:
1. Input: 5V/9V/12V 3A (Max)
2. Output: 8.5V/8.6V 3.8A (Max)
3. Dimensions: 9.6 x 5.4 x 2.8 cm