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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS3848MED |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
666.72 oz-in
48.01 kg-cm
4.7 N-m
7.4V
583.38 oz-in
42.01 kg-cm
4.1 N-m
6.0V
500.04 oz-in
36.01 kg-cm
3.5 N-m
Top 10%
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Average
|
| Physical | |
| Weight | 2.82 oz80.0 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.50 in L 39.9 mm W 20.1 mm H 38.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) |
| 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 | Top 10% Stronger than 92% of 1060 Digital Standard servos at 6.0V |
| Speed | Average Faster than 55% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 10% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 7.11–13.70 W |
| Power Density | 7.362 W/in³ More power-dense than 92% of 1768 Digital Standard servos |
| Torque Density | 6.2505 oz-in/g Stronger than 90% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 268.77 oz-in/in³ Denser torque than 93% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.09615 (1/sec·g) Faster than 32% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 65.01 Better balanced than 87% of 1034 Digital Standard servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 38% of 873 Digital Standard servos |
| Speed Gain per Volt | 18.53%/V More voltage-responsive (speed) than 72% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 49% of 1560 Digital Standard servos |
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