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The SunnySky X125A PRO SBEC is a lightweight, high-performance ESC engineered for demanding drone and UAV applications. The page describes a compact design for drone frames and precise throttle response for smooth acceleration and deceleration.
The specification list gives 125A continuous current, 150A peak, 3-8S LiPo cells, an adjustable BEC of 6V, 7.4V or 8.4V at up to 10A and programming through an LCD card or the G2 app. The page showed only 8 left in stock at Rs 13,926 (SKU TIFQC0185).
125A continuous, 150A peak: for demanding UAV use.
3-8S LiPo: as listed.
Adjustable SBEC: 6V, 7.4V or 8.4V up to 10A.
LCD card or G2 app programming: as listed.
Lightweight, compact design: for easy integration.
Stable under high current: as described.
An electronic speed controller (ESC) converts the throttle signal from the flight controller into the three-phase power that a brushless motor needs. It switches battery current through MOSFETs at high speed, so the motor turns at the speed that the pilot or autopilot asks for. The continuous current rating shows how much current the ESC can carry all the time, and the burst rating shows what it can survive for a few seconds.
Match the ESC to the rest of the power system. The battery cell count must fall inside the listed range, the continuous current must be higher than what your motor and propeller draw at full throttle, and the signal protocol (for example PWM, Oneshot, Multishot or DShot) must be supported by your flight controller. An ESC marked OPTO has no built-in BEC, so the receiver and flight controller need power from another source. An ESC with a BEC can supply a regulated voltage, usually 5V, to small electronics.
Install and test carefully. Solder joints must be clean and strong, the motor wires should be kept short and tidy, and the ESC needs airflow because current makes heat. Calibrate the throttle range if the ESC needs it, check the motor direction with the propellers removed, and never connect a battery with the propellers fitted while you are working on the wiring. Use a battery with a cell count and connector that suit the ESC, and check for a heat problem after a short test hover.
Heavy UAVs
Aerial robotics
FPV racing with big motors
3-8S builds
Builds needing a high-current SBEC
The SBEC is adjustable at 6V, 7.4V or 8.4V and rated up to 10A. Programming is by LCD card or the G2 app.
The page does not give dimensions or weight, so check clearance before you buy.
Item type: ESC
Continuous current: 125A
Peak current: 150A
LiPo cells: 3-8S
BEC output: 6V, 7.4V, 8.4V adjustable, up to 10A
Programming: LCD card, G2 app
1 x Sunny Sky ESC X125A PRO SBEC
UAV builders who need a 125A ESC with a strong SBEC.
125A continuous and 150A peak.
3-8S LiPo.
An adjustable SBEC, 6V/7.4V/8.4V at up to 10A.
With an LCD card or the G2 app.
| Brand | SunnySky |
|---|---|
| BEC Output | 6V/7.4V/8.4V adjustable, up to 10A |
| Continuous Current | 125.000000 A |
| Peak Current | 150.000000 A |
| Selling unit | PCS |
