Freefly Astro Max SL8-Air Battery
Freefly SL8-Air Battery delivers efficient, intelligent energy for Astro-series drones, combining safety, performance, and portability in one compact design. Each 21.6 V / 7.3 Ah (157 Wh) lithium-ion pack integrates seamlessly with Freefly's power system to ensure consistent output and accurate telemetry throughout every mission.
Designed and assembled in the USA, the SL8-Air Battery provides the reliability professionals depend on for mapping, inspection, and industrial flight operations.
Smart energy management for reliable missions
An integrated smart battery management system actively monitors voltage, current, and temperature to maximize safety and lifespan. The bright OLED display reports charge level, voltage, and health data at a glance, while the USB-C Power Delivery port supplies up to 60 watts for field charging of accessories. Each lightweight, airline-carry-compliant pack recharges in roughly 90 minutes, minimizing downtime between flights.
Portable, durable, and field-ready
At about 2.25 pounds (1.02 kg), the SL8-Air Battery balances capacity with portability. Two packs power each Astro aircraft flight, providing redundancy and extended endurance. Its rugged build withstands field conditions while maintaining dependable energy output for critical operations. Compact, smart, and travel-approved, it's engineered for professionals who require safe, efficient power anywhere missions take them.
Key Features and Benefits
- 21.6 V / 7.3 Ah (157 Wh) capacity: Delivers balanced energy for Astro platforms
- Designed and assembled in the USA: Ensures NDAA-compliant quality and sourcing
- Integrated smart battery management system: Monitors voltage and temperature data
- OLED display: Shows charge level, voltage and battery health instantly
- USB-C Power Delivery port (60 W): Charges devices directly in the field
- Airline-carry compliant (157 Wh): Simplifies global travel with Astro systems
- Rapid recharge (~90 min): Minimizes downtime between missions
- Two required per Astro flight: Dual-battery redundancy for extended endurance
- Lightweight design (~2.25 lb / 1.02 kg): Portable and balanced for field use
- Rugged construction: Resists impact and vibration during transport and deployment
Specifications:
Gives Astro up to 37 minutes of flight time, per pair (See the wiki for estimated flight time details)
Voltage: 21.6 V (6S)
Capacity: 7.3 Ah, 157 Wh
Weight: 2.25 lbs
Chemistry: Lithium-Ion
Auxiliary output: USB-C Power Delivery (up to 60W)
Includes pre-installed ESD sticker, per SB007
Designed and Assembled in USA
What's in the Box:
1 x Freefly Astro Max SL8-Air battery (157 Wh)
