Features:
Full charge mode and storage charge mode
1, Storage and charging mode: The battery is stored for a long time with 40%-60% of the battery capacity. The battery is easily swollen when stored at full power, and storage without power may lead to battery failure.
2, The storage mode is to charge the battery with a battery power of less 2 level to (about 60% of the power) for long-term storage.

Specifications:
Input voltage: AC 110-240V
Battery port output: 17.6V/2.0A(MAX)*4
USB port output: 5V/3A
Charging time: about 150 minutes when fully charged with 4 batteries
Charging temperature: 7-40 degrees Celsius
Suitable For DJI Mavic 3 Drone

Package includes:
1 x Fast Charger Hub
4 x Battery Cable
1 x Power Cable

If there is any questions, just contact us, we will alway be here for you.