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Freefly Astro Max SL8-Air Battery

Freefly Astro Max SL8-Air Battery

$695.00
$695.00
Sale Sold out
SKU S-FF-SL8-AIR-BAT MPN 910-00649
  • 21.6 V / 7.3 Ah (157 Wh) capacity for Astro Max aircraft
  • Designed and assembled in the USA for reliability
  • Smart battery management system monitors performance and safety
  • OLED screen shows charge, voltage and health status
  • USB-C Power Delivery port up to 60 watts output
  • Airline-carry compliant (157 Wh each) for global mobility
  • Rapid recharge in around 90 minutes per pack
  • Two required per Astro aircraft flight configuration
  • Lightweight around 2.25 pounds (1.02 kilograms)
  • Durable housing built for field use and transport
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  • Description
  • Specifications
  • In the Box
  • FAQ

Freefly SL8-Air Battery: Smart, travel-ready power for Astro Max enterprise operations

The Freefly SL8-Air Battery provides intelligent energy management and rugged portability for Astro series drones. With a 21.6 V / 7.3 Ah (157 Wh) rating and lightweight 2.25 lb design, it delivers reliable power for mapping, inspection, and industrial missions. Designed and assembled in the USA, this smart battery ensures safety, accuracy, and efficiency in field operations worldwide.

Intelligent power for professional missions

The integrated smart battery management system (BMS) monitors charge state and temperature to protect against over-current and voltage imbalance. An OLED display provides real-time charge and health data, while the USB-C Power Delivery port supplies up to 60 watts for charging accessories on site. Fully recharged in about 90 minutes, it minimizes downtime between flights.

Portable design for field efficiency

Each Astro aircraft requires two SL8-Air Batteries for flight, providing dual redundancy and long endurance. At 157 Wh, each pack is airline-carry compliant, supporting easy transport to mission locations. Compact and durable, it is engineered for the rigors of enterprise operations and global deployment.

Key Features and Benefits

  • 21.6 V / 7.3 Ah (157 Wh) rating: Provides consistent power for Astro Max systems
  • Designed and assembled in the USA: Ensures quality and compliance
  • Smart battery management system: Monitors cell health and temperature
  • OLED display panel: Shows charge level, voltage and diagnostics
  • USB-C Power Delivery port (60 W): Powers field devices and accessories
  • Airline-carry compliant (157 Wh): Meets international travel standards
  • Rapid recharge (~90 min): Quick turnaround for continuous missions
  • Dual-battery configuration: Two required per Astro aircraft flight
  • Lightweight (~2.25 lb / 1.02 kg): Portable for field deployment
  • Rugged construction: Protects cells during transport and operation

Applications and Use Cases

  • Enterprise mapping and surveying: Stable power for extended data capture
  • Infrastructure inspection: Reliable energy for thermal and LiDAR payloads
  • Public safety missions: Travel-safe batteries for emergency operations
  • Industrial monitoring: Long runtime for critical asset review
  • Media and production: Consistent voltage for professional filming
  • Research and development: Dependable energy for field testing
  • Construction projects: Continuous operation for site documentation
  • Training programs: Rapid charging for repetitive flights

The Freefly SL8-Air Battery is the standard power source for Astro drones, offering smart management, travel compliance, and rugged durability. It keeps enterprise operators mission-ready and efficient in any environment.

Dronefly provides genuine Freefly batteries and expert support for Astro series operators. Order today to power your drone fleet with verified Freefly components.

  • 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
  • 1x SL8-Air battery (157 Wh)
What is the capacity of each SL8-Air Battery?

Each battery has a 21.6 V / 7.3 Ah (157 Wh) rating.

How many batteries does the Astro drone use?

Two SL8-Air Batteries are required per flight.

Is the SL8-Air Battery safe for air travel?

Yes. With 157 Wh capacity, it complies with international airline limits for carry-on lithium batteries.

How long does charging take?

It recharges in roughly 90 minutes when using an approved Freefly charger.

Can the SL8-Air Battery charge other devices?

Yes. The integrated USB-C Power Delivery port supplies up to 60 watts to charge field devices.

Does the battery show its charge level?

An OLED display on the pack shows charge percentage, voltage, and diagnostic status.

Where is the SL8-Air Battery built?

It is designed and assembled in the United States using NDAA-compliant components.