Fit: Hubsan X4 H107C+ plus quadcopter.
Backup power on hand ensures longer flying time.
Capacity: 520mah Voltage: 3.7v.
Built-in protection mechanism ensures safe charging and use.
You don't need the drone to charge - Fly while your batteries are charging.
You can charger two batteries at the same time.
2x 520mAh Battery
1x External Charger
XCSOURCE 520mAh 3.7V Original Hubsan X4 Cam Plus H107C+ LiPo Battery 2.0Wh + USB Charger for RC Quadcopter Drone BC559 - B01HNNYT6C