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Technical Specifications
Last Updated: 2026-07-28
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-BLS5815 |
| Category | Hobby |
| Performance | |
| Torque |
7.2V
208.31 oz-in
15.00 kg-cm
1.5 N-m
6.0V
180.54 oz-in
13.00 kg-cm
1.3 N-m
|
| Speed |
7.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
|
| Running Current | (add) |
| Stall Current | 3–3 A3000–3000 mA |
| Physical | |
| Weight | 2.93 oz83.0 g |
| Dimensions |
L 1.58 in W 0.79 in H 1.55 in L 40.0 mm W 20.0 mm H 39.3 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | (add) |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 20.000 A20,000 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 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.
Performance Analysis
| Shaft Power | 4.17 W |
| Torque Density | 2.1752 oz-in/g Stronger than 29% of the 833 Digital Standard servos in the database |
| Torque-to-Volume Ratio | 94.03 oz-in/in³ Denser torque than 42% of the 844 Digital Standard servos in the database |
| Power Density | 2.173 W/in³ More power-dense than 48% of the 1645 Digital Standard servos in the database |
| Speed-to-Weight | 0.15060 (1/sec·g) Faster than 69% of the 822 Digital Standard servos in the database |
| Speed-Torque Trade-off | 14.44 Better balanced than 27% of the 827 Digital Standard servos in the database |
| Current-per-Torque Ratio | 0.0166 A/oz-in More efficient than 48% of the 232 Digital Standard servos in the database |
| Speed Gain per Volt | 10.20%/V More voltage-responsive (speed) than 17% of the 688 Digital Standard servos in the database |
| Voltage Range Width | 1.4 V Wider voltage range than 33% of the 1271 Digital Standard servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 30% of the 329 Digital Standard servos in the database |
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