STARTRC 3in1 Intelligent Fast Charging Hub Battery Car Charger LED Screen Digital Display Housekeeper Power Supply Station for DJI Mini 4 PRO / Mini 3 PRO RC Drone Quadcopter Precise details: Specifications: Brand Name: STARTRC Item Name: Screen Charger Item NO.: ST1124255 Material: ABS Color: Grey Input: 5V / 9V / 12V / 20V 3A, Support PD Fast Charging(Max) Output: 8.5V 4.0A (Max) Recommended Charger: DJI 30W USBC charger or chargers supporting USB PD fast charging protocol Operating Temperature Range: 7°C40°C Size: 151 x 56 x 33mm Net Weight: 109g Package Size: 125 x 40 x 175mm Package Weight: 195g Usage: for DJI Mini 4 PRO / Mini 3 PRO / Mini 3 Drone Batteries Features: Compatible with the Mini 3 series battery, including intelligent flight batteries. Compact size for easy storage and transportation. Charges three batteries sequentially with automatic detection, prioritizing higher battery capacity. Onscreen charging manager displays voltage, current, battery level, and temperature during charge. Easy battery level check via function button - no wiring required. How to Use: Install the battery into the charging hub, and it works after connecting it (Prioritize charging batteries with high remaining power) . 1. Charging time: single battery with capacity of 2453mAh 45 minutes. 2. Charging time: single battery with capacity of 3850mAh 65 minutes. 3. Simultaneously insert 3 batteries with a capacity of 2453mAh3X45=135 minutes. 4. Simultaneously insert 3 batteries with a capacity of 3850mAh3X65=195 minutes. 5. Insert the battery into the charging manager and press the function button to check the battery level, without the need for wiring. Cautions: 1: When charging, please place the charging hub smoothly and do not cover it with other items to ensure the normal heat dissipation of the charging manager; 2: It is prohibited to charge batteries with surface damage to avoid battery short circuits and fire hazards: 3:This product is only for indoor use and should not be exposed to rain or snow; 4: Do not disassemble or assemble the charging manager without permission; Note: Package Only the Charger. NOT Included the Batteries Package Included: 1 x Charging Hub with Monitor 1 x Charging Cable (USBA to USBC) 1 x Charging Cable (USBC to USBC) 1 x User Manual