Astro SL8-Air Battery

4 on stock
€730.78 €599.00
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SuperLight Air Batteries are designed for rigors of flight and ease of use with Astro. 

Built-in battery management eliminates the need for balance connectors. The microprocessor handles: charging, discharging, and health monitoring. The OLED display indicates the state of charge, voltage, current, and more. 

We added a USB-C Power Delivery port to charge your devices (even your laptop!)


  • Astro requires two SL8-Air Batteries for each flight
  • Recharge rapidly with the SL8 Fast Charger (90 minutes per battery)
  • Airline carry-on compatible (157Wh each) 
  • The SL8-Air battery was designed for Astro, but will work with any device that uses the Freefly Open Battery Interface
  • Due to limited production volume, these are currently only available with the purchase of an Astro.


  • Gives Astro up to 37 minutes of flight time, per pair: 
  • Voltage: 21.6 V (6S)
  • Capacity: 7.3 Ah, 157 Wh
  • Weight: 2.25lbs
  • Chemistry: Lithium-Ion
  • Auxiliary output: USB-C Power Delivery (up to 60W)
  • Designed and Assembled in USA
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