Feetech HLS3930M

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	HL-3930-C001
Category	Hobby
Performance
Torque	12.0V486.15 oz-in
Speed	12.0V0.22 sec/60°
Running Current	12.0V0.150 A
Stall Current	≤2.8 AAbove Average
Physical
Weight	2.49 ozBelow Average
Dimensions	L 1.78 in W 0.973 in H 1.378 in
Case Material	Aluminum
Drivetrain
Motor Type	Cored
Gears	Steel
Gear Spline/Teeth	25 T
Rotation Mode	Multi-turn
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Rotational Range	360°
Angle Sensor	Magnetic Encoder
Control System	TTL
Electrical & Environment
Operating Voltage	9–12.6 V
Temperature	-20–60 °C
Certification	ROHS
Idle Current	0.026 A
Connectivity
Wire Length	150 mm
Origin
Country of Origin	China

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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.

Compatible Hardware

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*Based on known specs.

Class Comparison

Weight	Below Average Lighter than 31% of 1902 Digital Standard servos
Stall Current	Above Average Lower draw than 65% of 539 Digital Standard servos

Performance Analysis

Shaft Power	4.05 W
Power Density	1.697 W/in³ More power-dense than 37% of 1759 Digital Standard servos
Torque Density	6.8957 oz-in/g
Torque-to-Volume Ratio	203.70 oz-in/in³
Speed-to-Weight	0.06389 (1/sec·g)
Speed-Torque Trade-off	107.91
Current-per-Torque Ratio	0.0058 A/oz-in
Idle-to-Running Current Ratio	0.173
No-Load vs Stall Current Spread	18.67
Voltage Range Width	3.6 V Wider voltage range than 85% of 1539 Digital Standard servos