> For the complete documentation index, see [llms.txt](https://docs.freeflysystems.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.freeflysystems.com/alta-x-gen2/specs/tech-specs.md).
# Tech Specs
## Propellers
| Material | Carbon Fiber Reinforced Nylon |
| --------------------- | --------------------------------: |
| Propeller Orientation | (2x) CW and (2x) CCW Props |
| Propeller Type | Folding - 840 x 230 mm (33 x 9in) |
## Battery
| Cells | 12S |
| ---------------------------------------------------- | ---------------------------------------: |
| Nominal Battery Voltage | 44.4V |
| Peak Battery Voltage | 50.4V |
| Battery Connectors | AS150U Anti Spark |
| Required Minimum Battery Discharge Rating (Per Pack) | 260A per battery (assumes two batteries) |
{% hint style="warning" %}
Battery hot swaps are not recommended. Please power off the aircraft by disconnecting both batteries when swapping packs to ensure ideal performance and battery lifespan.
{% endhint %}
{% hint style="info" %}
More information about the battery, button functions, and status LED indicator codes can be found in the [user manual](https://drive.google.com/file/d/1xZQplgB4Xa2VZYNrqxjLFh52dDPq8ldu/view)
{% endhint %}
Battery Tray Dimensions
## Weight
| Maximum Gross Takeoff Weight | 34.9 kg |
| ---------------------------- | ---------- |
| Maximum Payload | 15.1 kg |
| Empty Weight | 11.2 kg \* |
\*(0.13 kg heavier than Alta X Gen1 when similarly equipped with payload mounting rails, 12v & 24v regulators, and FPV camera)
## Environmental
| Operating Temperature | -20C to +50C |
| --------------------- | ----------------------------------------- |
| Operating Ceiling | (Weight-dependent. See performance specs) |
| Ingress Protection | Tested to IP43 equivalent |
## Flight Controller
| Flight Controller Hardware | Freefly Custom Designed Skynode |
| -------------------------- | ---------------------------------------------------------------- |
| Flight Controller Software | Auterion Enterprise PX4 (custom for Alta X) |
| Mission Control Software | Auterion Mission Control |
| Online Fleet Management | Auterion Suite |
| Flight Modes | Manual, Altitude Hold, Position Hold, Return, Autonomous Mission |
| Onboard Modules | Cortex-A53 Computer, LTE |
| Connectivity | Wifi, USB C, LTE (North America) |
| Supported Radios | Herelink and Doodle |
| Supported GNSS | L1/L2 bands for GPS, GLONASS, Beidou and Galileo |
## Radio Control
For more information on the Radio, please visit our [Pilot Pro Radio Specs](https://freefly.gitbook.io/pilot-pro-public/specs/radio-technical-specs)
---
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