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Technical Specifications
Last Updated: 2026-07-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS845BLHV |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
845.00 oz-in
60.85 kg-cm
6.0 N-m
7.4V
740.00 oz-in
53.29 kg-cm
5.2 N-m
6.6V
655.00 oz-in
47.17 kg-cm
4.6 N-m
6.0V
625.00 oz-in
45.00 kg-cm
4.4 N-m
4.8V
485.00 oz-in
34.92 kg-cm
3.4 N-m
Above Average
|
| Speed |
8.4V
0.06 sec/60°
1,034.5 deg/s
172.4 RPM
7.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
6.6V
0.08 sec/60°
769.2 deg/s
128.2 RPM
6.0V
0.09 sec/60°
659.3 deg/s
109.9 RPM
4.8V
0.11 sec/60°
540.5 deg/s
90.1 RPM
Above Average
|
| Stall Current | 6.6–10.1 A6600–10100 mABottom 10% |
| Physical | |
| Weight | 3.21 oz91.0 gBottom 10% |
| Dimensions |
L 1.58 in W 0.79 in H 1.54 in L 40.1 mm W 20.1 mm H 39.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 15 T |
| Rotation Mode | Standard |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 125° |
| Mechanical Limit | 360° |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1520 µs |
| Dead Band | 3 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Water Resistant |
| Connectivity | |
| Connector | JR (Universal) |
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 90% of 845 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 66% of 833 Digital Standard servos at 4.8V |
| Weight | Bottom 10% Lighter than 1% of 1819 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 10% of 403 Digital Standard servos |
Performance Analysis
| Torque Density | 5.3297 oz-in/g Stronger than 81% of 834 Digital Standard servos |
| Torque-to-Volume Ratio | 252.31 oz-in/in³ Denser torque than 90% of 845 Digital Standard servos |
| Speed-to-Weight | 0.09900 (1/sec·g) Faster than 32% of 823 Digital Standard servos |
| Speed-Torque Trade-off | 53.84 Better balanced than 80% of 828 Digital Standard servos |
| Current-per-Torque Ratio | 0.0208 A/oz-in More efficient than 32% of 232 Digital Standard servos |
| Torque Gain per Volt | 20.62%/V More voltage-responsive (torque) than 79% of 674 Digital Standard servos |
| Speed Gain per Volt | 25.39%/V More voltage-responsive (speed) than 96% of 688 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 75% of 1272 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0021 Finer dead band than 12% of 329 Digital Standard servos |
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