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Technical Specifications
Last Updated: 2026-10-25
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 | Stainless Steel |
| 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 |
| Certification | MIL-STD-810G-Part 16 |
| 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 89% of 1040 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 69% of 1024 Digital Standard servos at 4.8V |
| Weight | Bottom 10% Lighter than 1% of 1882 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 3% of 553 Digital Standard servos |
Performance Analysis
| Torque Density | 5.3297 oz-in/g Stronger than 81% of 1034 Digital Standard servos |
| Torque-to-Volume Ratio | 252.31 oz-in/in³ Denser torque than 91% of 1039 Digital Standard servos |
| Speed-to-Weight | 0.09900 (1/sec·g) Faster than 35% of 1018 Digital Standard servos |
| Speed-Torque Trade-off | 53.84 Better balanced than 80% of 1014 Digital Standard servos |
| Current-per-Torque Ratio | 0.0208 A/oz-in More efficient than 26% of 317 Digital Standard servos |
| Torque Gain per Volt | 20.62%/V More voltage-responsive (torque) than 80% of 851 Digital Standard servos |
| Speed Gain per Volt | 25.39%/V More voltage-responsive (speed) than 96% of 852 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 73% of 1545 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0021 Finer dead band than 13% of 489 Digital Standard servos |
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