1. Three for Tello flight batteries can be connected. When in use, the Battery Manager will charge the batteries in descending order according to the flight battery voltage
2. The battery manager is only suitable for use with the extended charging port, no charger is included, please use the designated charger to power the Battery Manager
3. Applicable battery type: GB1-1100mAh-3.8V
4. Operating ambient temperature: 5~45 degrees celsius
5. Input voltage: 5 V
6. Input current: 3 A
7. Charging time (three flight batteries): approx. 2 hours
8. Compatible products: for Tello flight batteries
9. Weight: about 29 g