What is the difference between "rated current" and "rated load current"?

Hi friend, Rated current is the current when the equipment works normally. Load current is the working current of the load of the equipment. For a power supply device, if the load current is higher than its rated current, it may cause it to overheat or even burn out, etc. Thanks!

Can you use a 2s 7.4v battery with these motors

Sorry the operating voltage range is DC 3.0-3.7V DC.

How much weight can the motors lift if fitted in a quadcopter?

These motors are very small and lightweight,the 4 motors are just about 20g.

why does it say 2s when the rated voltage is 3-3.7volts?

Dear,so sorry,it only used for 1S,and the rated voltage is 3.7volts.

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⚡ Power your micro drone with precision and speed—fly ahead of the pack!

EXTENDED REACH WIRING - 60mm cables provide flexible installation options without compromising power delivery.
BALANCED THRUST DYNAMICS - Includes matched CW and CCW motors and 55mm propellers for stable, agile flight performance.
PRECISION CORELESS POWER - Ultra-compact 8.5x20mm motors deliver rapid response and smooth acceleration for your micro drone.
OPTIMIZED FOR MICRO QUADS - Designed specifically for Hubsan X4 H107C/H107D compatibility, ensuring seamless integration and peak efficiency.
PLUG PLAY DRONE UPGRADE - Complete set with 2 CW + 2 CCW motors and propellers—perfect for DIY QX95 and QX110 builds.

The YoungRC8520 is a set of four 8.5x20mm coreless brushed motors paired with 55mm clockwise and counterclockwise propellers, engineered for micro quadcopters like the QX95 and QX110. Featuring 60mm cables for flexible installation and balanced thrust for stable flight, this kit upgrades your DIY drone with high output power and reliable performance.