Description
The Holy Stone HS720 / HS720E Battery with Charging Cable is a genuine replacement power accessory designed specifically for compatible HS720 series drones. It includes a 7.4V 2800mAh modular battery and a USB charging cable, providing reliable power and convenient charging for your flights.
Important: This battery requires the original HS720/HS720E charging dock to charge properly. The included charging cable cannot charge the battery directly without the charging dock.

| Battery capacity: | 2800 mAh |
| Battery charge time: | Approx. 5–7 Hours |
| Battery chemistry: | Lithium Battery |
| Battery flight time: | Up to 26 Minutes |
| Battery voltage: | 7.4 volts |
| Compatible models: | HS720|HS720E |
FAQ
Can I charge this battery using only the included charging cable?
No. This battery requires the original HS720/HS720E charging dock. The included charging cable cannot charge the battery directly without the charging dock.
Does this product include the charging dock?
No. This product includes the battery and charging cable only.
How long does the HS720/HS720E battery last?
A fully charged battery provides up to 26 minutes of flight time under optimal conditions.
Actual flight time may vary depending on weather, wind conditions, and flying style.
Actual flight time may vary depending on weather, wind conditions, and flying style.
How long does it take to charge the battery?
The battery can be fully charged in approximately 5–7 hours using a suitable USB power adapter.
How do I know if the battery is charging?
During charging:
•The battery charging indicator flashes green.
•The power indicator remains solid red.
When charging is complete:
•Both the green battery indicator and the red power indicator remain solid.
•The battery charging indicator flashes green.
•The power indicator remains solid red.
When charging is complete:
•Both the green battery indicator and the red power indicator remain solid.
Why is my HS720 and HS720E battery not charging?
Possible causes include:
•The charger output is below 5V/2A.
•The USB Type-C cable is damaged.
•The charging port is dirty or loose.
•The battery is damaged.
If the problem remains unresolved, please contact our customer service.
•The charger output is below 5V/2A.
•The USB Type-C cable is damaged.
•The charging port is dirty or loose.
•The battery is damaged.
If the problem remains unresolved, please contact our customer service.
Why is my flight time shorter than expected?
Flight time may be reduced by:
•Aggressive flying
•Strong winds
•Low temperatures
•Battery age and condition
•Aggressive flying
•Strong winds
•Low temperatures
•Battery age and condition
How should I store the battery?
Store the battery:
• In a dry place
• Away from direct sunlight and heat sources
• Do not store the battery fully charged or at a very low charge level for extended periods
• At approximately 50%–65% charge level
• In a dry place
• Away from direct sunlight and heat sources
• Do not store the battery fully charged or at a very low charge level for extended periods
• At approximately 50%–65% charge level