EcoPower 625

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Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	ECP-625
Category	Hobby
Performance
Torque	8.4V 62.50 oz-in 6.0V 45.80 oz-in Above Average
Speed	8.4V 0.05 sec/60° 6.0V 0.07 sec/60° Above Average
Physical
Weight	0.81 ozBottom 10%
Dimensions	L 0.90 in W 0.393 in H 0.94 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	15 T
Shaft Size	3.80 mm
Control & Signal
Modulation	Digital
Neutral Position	1520 µs
Control System	PWM
Electrical & Environment
Operating Voltage	6–8.4 V
Temperature	-10–60 °C

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 80% of 349 Digital Micro servos at 6.0V
Speed	Above Average Faster than 89% of 347 Digital Micro servos at 6.0V
Weight	Bottom 10% Lighter than 3% of 597 Digital Micro servos

Performance Analysis

Shaft Power	1.21–2.31 W
Power Density	6.952 W/in³ More power-dense than 90% of 563 Digital Micro servos
Torque Density	1.9913 oz-in/g Stronger than 30% of 349 Digital Micro servos
Torque-to-Volume Ratio	137.75 oz-in/in³ Denser torque than 83% of 345 Digital Micro servos
Speed-to-Weight	0.62112 (1/sec·g) Faster than 37% of 347 Digital Micro servos
Speed-Torque Trade-off	3.21 Better balanced than 46% of 345 Digital Micro servos
Torque Gain per Volt	15.19%/V More voltage-responsive (torque) than 37% of 290 Digital Micro servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 48% of 295 Digital Micro servos
Voltage Range Width	2.4 V Wider voltage range than 57% of 496 Digital Micro servos