The FREEFLY SL8-Air Battery, part number 910-00649, is a 21.6 V, 7.3 Ah, 157 Wh lithium-ion battery designed for Freefly Astro drones. An integrated battery management system handles charging, discharging, and battery health monitoring without requiring a separate balance connector. The onboard OLED display provides battery information including state of charge, voltage, and current, giving operators direct access to battery status during charging and flight preparation.
Designed for Astro flight operations, two SL8-Air batteries are required for each flight and can provide up to 37 minutes of flight time per pair under FREEFLY's stated conditions. The battery also includes a USB-C Power Delivery port with up to 60 W output for powering compatible external devices. The SL8-Air can be charged from 0% to 100% in approximately 90 minutes with the SL8 Fast Charger, supporting battery preparation for aerial mapping, inspection, imaging, and other Astro-based enterprise drone operations.
Key Features:
- Designed for FREEFLY Astro drones
- 21.6 V nominal voltage
- 7.3 Ah battery capacity
- 157 Wh energy capacity
- Lithium-ion battery chemistry
- Built-in battery management system
- Integrated charging, discharging, and battery health monitoring
- OLED display for state of charge, voltage, current, and other battery information
- USB-C Power Delivery output up to 60 W
- 2.25 lb battery weight
- Two SL8-Air batteries required per Astro flight
- Up to 37 minutes of Astro flight time per battery pair under FREEFLY's stated conditions
- Approximately 90-minute 0% to 100% charging with the SL8 Fast Charger
- Compatible with devices using the FREEFLY Open Battery Interface
- 157 Wh rating identified by FREEFLY as airline carry-on compatible
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Flight Time
up to 37 minutes
Voltage
21.6 V
Capacity
7.3 Ah, 157 Wh
Chemistry
Lithium-Ion
Auxiliary Output
USB-C Power Delivery (up to 60W)
Qty 1 - SL8-Air Battery (157 Wh)