Holy Stone HS175G Drone Battery Drones with Camera for Adults 4K, GPS 4K Drone, Accessory HS175G

Max Flight Time: 30 minutes
Capacity: 7.7V 2100mAh
Fastest Charging Time: About 1.5 hours（using Fast Chargers）
NOTE: Please use the original charging cable to charge the battery. DO NOT charge a battery immediately after a flight as the temperature may be too high. Please wait until it cools down to room temperature before charging again.