CYS BLS9825

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	CYS-BLS9825
Category	Hobby
Discontinued	Yes
Performance
Torque	7.2V 347.18 oz-in 6.0V 305.52 oz-in Above Average
Speed	7.4V 0.08 sec/60° 6.0V 0.10 sec/60° Above Average
Physical
Weight	2.61 ozBelow Average
Dimensions	L 1.575 in W 0.787 in H 1.549 in
Drivetrain
Motor Type	Brushless
Gears	Titanium
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	6–7.4 V
Certification	CE \| FCC \| EMC \| RoHS
Connectivity
Connector	JR (Universal) estimate

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 68% of 1060 Digital Standard servos at 6.0V
Speed	Above Average Faster than 78% of 1045 Digital Standard servos at 6.0V
Weight	Below Average Lighter than 23% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	5.65 W
Power Density	2.942 W/in³ More power-dense than 59% of 1768 Digital Standard servos
Torque Density	4.1287 oz-in/g Stronger than 64% of 1053 Digital Standard servos
Torque-to-Volume Ratio	159.12 oz-in/in³ Denser torque than 69% of 1058 Digital Standard servos
Speed-to-Weight	0.13514 (1/sec·g) Faster than 65% of 1038 Digital Standard servos
Speed-Torque Trade-off	30.55 Better balanced than 52% of 1034 Digital Standard servos
Speed Gain per Volt	17.86%/V More voltage-responsive (speed) than 66% of 874 Digital Standard servos
Voltage Range Width	1.4 V Wider voltage range than 33% of 1560 Digital Standard servos