
Holy Stone HS720R Intelligent Modular Battery
Score: 80/100
Craznick Drone Airdrop System
Score: 75/100Rankings

The Holy Stone HS720R Intelligent Modular Battery provides a lightweight 110.8 g power source delivering up to 26 minutes of flight time, featuring an intelligent BMS for safety. Its main drawback is the lengthy five-hour recharge cycle and reliance on the original USB cable. Ideal for HS720R and HS720G pilots seeking a portable spare.

The Craznick airdrop system provides a 750 g payload capacity, fast USB charging, and universal DJI compatibility with a simple one-button release. Its trade-offs include added weight and a short 150 m remote range that may limit precision on larger missions. Best for hobbyist creators who want a versatile drop tool for DJI Mini and Mavic drones.
| Attribute | ![]() | ![]() |
|---|---|---|
2 models | 11 modelsbest | |
26 minbest | — | |
| ↓ lower better | 110.8 g | 35 gbest |
2,950 mAhbest | 350 mAh | |
— | 750 gbest | |
| ↓ lower better | 300 min | 90 minbest |
— | 150 mbest | |
7.7 Vbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility(1) | ||
Compatible Drone Models (models) | 2 models | 11 models |
Battery & Power(2) | ||
Battery Capacity (mAh) | 2950 mAh | 350 mAh |
Charging Time (min) | 300 min | 90 min |
Build & Design(1) | ||
Total Weight (g) | 110.8 g | 35 g |
Features(1) | ||
Installation Method | snap-in | Velcro straps |

Products in the top-left offer the best value (high score, low price).

Professional editors consider the HS720R modular battery a solid, reliable power source that lives up to its advertised 26-minute flight time and adds minimal weight. The intelligent management system and safety protections are repeatedly praised, though the lengthy recharge cycle is seen as the primary downside compared with higher-capacity alternatives.
Consumers consistently praise the battery for its lightweight form factor, easy installation, and the noticeable boost to flight time, describing the experience as enabling smoother, longer aerial footage. The main frustrations revolve around the slow charging speed and the need to use the original USB cable, with occasional reminders about proper storage to avoid swelling.

“stunning aerial footage”

“seamless flying”

“Easy to install and works universally... sufficient power to carry 170g plush toy on DJI Mini 4K”


Professional reviewers, primarily YouTube creators, praise the Craznick system for its effortless installation, universal DJI compatibility, and demonstrated ability to lift a 170 g plush toy, emphasizing its seamless integration that enables precise 10-second drops without an extra remote.
Everyday users appreciate the reliability for multiple drops, the fun and creative use cases like gifting and pet play, and the convenience of universal mounting and USB charging, while noting occasional stability concerns when loading heavier items on small drones.