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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-80BL-C002 |
| Category | Hobby |
| Performance | |
| Torque |
24.0V1,180.65 oz-in85.02 kg-cm8.3 N-m |
| Speed |
24.0V0.14 sec/60°428.6 deg/s71.4 RPM |
| Running Current |
24.0V0.180 A180 mA |
| Stall Current | ≤3.9 A≤3900 mABelow Average |
| Physical | |
| Weight | 3.44 oz97.5 gAverage |
| Dimensions |
L 1.831 in W 1.122 in H 1.339 in L 46.5 mm W 28.5 mm H 34.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Backlash | 0.500° |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 360° |
| Angle Sensor | Magnetic Encoder |
| Control System | RS485 |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 16.8–25.2 V |
| Temperature | -20–60 °C-4–140 °F |
| Certification | RoHS |
| Idle Current | 0.040 A40 mA |
| Connectivity | |
| Connector | 4-pin |
| Wire Length | 400 mm15.75 in |
| Origin | |
| Country of Origin | China |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Weight | Average Lighter than 35% of 145 Digital Large servos |
| Stall Current | Below Average Lower draw than 27% of 92 Digital Large servos |
Performance Analysis
| Shaft Power | 15.59 W |
| Power Density | 5.671 W/in³ 2nd-highest power density of 112 Digital Large servos |
| Torque Density | 12.1092 oz-in/g |
| Torque-to-Volume Ratio | 429.40 oz-in/in³ |
| Speed-to-Weight | 0.07326 (1/sec·g) |
| Speed-Torque Trade-off | 165.28 |
| Current-per-Torque Ratio | 0.0033 A/oz-in |
| Idle-to-Running Current Ratio | 0.222 |
| No-Load vs Stall Current Spread | 21.67 |
| Voltage Range Width | 8.4 V Wider voltage range than 94% of 124 Digital Large servos |
| Backlash-to-Range Ratio | 0.00139 Tighter backlash than 29% of 25 Digital Large servos |
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