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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | XQ-BLS325 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
347.20 oz-in
25.00 kg-cm
2.5 N-m
7.4V
306.00 oz-in
22.03 kg-cm
2.2 N-m
6.0V
243.00 oz-in
17.50 kg-cm
1.7 N-m
Above Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Below Average
|
| Stall Current | 3–3.5 A3000–3500 mAAverage |
| Physical | |
| Weight | 2.29 oz65.0 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.063 in L 40.0 mm W 20.0 mm H 27.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 210° |
| Mechanical Limit | 210° |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | Waterproof |
| 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.
Class Comparison
| Torque | Above Average Stronger than 86% of 136 Digital Low Profile servos at 6.0V |
| Speed | Below Average Faster than 27% of 135 Digital Low Profile servos at 6.0V |
| Weight | Bottom 10% Lighter than 6% of 251 Digital Low Profile servos |
| Stall Current | Average Lower draw than 41% of 64 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 4.08–9.17 W |
| Power Density | 6.960 W/in³ More power-dense than 84% of 215 Digital Low Profile servos |
| Torque Density | 3.7385 oz-in/g Stronger than 81% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 184.42 oz-in/in³ Denser torque than 90% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.13986 (1/sec·g) Faster than 14% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 26.73 Better balanced than 86% of 134 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0144 A/oz-in More efficient than 67% of 40 Digital Low Profile servos |
| Torque Gain per Volt | 17.87%/V More voltage-responsive (torque) than 63% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 23.80%/V More voltage-responsive (speed) than 94% of 117 Digital Low Profile servos |
| Voltage Range Width | 2.4 V Wider voltage range than 48% of 223 Digital Low Profile servos |
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