Ubec-8A 6-36V 2~8S Lipo Esc
Ubec-8A 6-36V 2~8S Lipo Esc
Ubec-8A 6-36V 2~8S Lipo Esc
The Ubec-8A is a universal Battery Eliminator Circuit (BEC) and Electronic Speed Controller designed for RC aircraft, quadcopters, and drone applications requiring stable power distribution across 2-8S LiPo battery configurations. Professional drone pilots and RC enthusiasts rely on this controller to manage motor acceleration, deceleration, and simultaneous power delivery to onboard avionics and servos without voltage sag. This product solves the critical problem of voltage instability during high-current motor operations, ensuring consistent servo response and preventing avionics malfunction in demanding flight scenarios.
Product Overview
The Ubec-8A operates as a dual-function device combining electronic speed control with integrated BEC output regulation. The ESC actively monitors input voltage from 6V to 36V (supporting 2S through 8S LiPo batteries) and delivers clean, regulated 5V output at 8A continuous current for powering receiver systems, servos, and flight controllers. The controller uses advanced PWM (Pulse Width Modulation) technology to achieve smooth throttle response with 8000+ frequency switching, minimizing electrical noise that could interfere with sensitive RC receiver signals and gyro sensors.
This model incorporates active braking functionality and programmable acceleration curves, allowing pilots to customize motor behavior for different flight profiles. The integrated thermal protection circuit monitors junction temperature and automatically throttles performance if internal temperatures exceed safe operating limits, extending component lifespan during extended flight sessions. The compact design measures approximately 40x20x12mm, making it ideal for weight-sensitive applications where every gram impacts flight duration and agility.
Key Specifications
| Specification | Details |
| Product Type | Electronic Speed Controller with Integrated BEC |
| Input Voltage Range | 6-36V DC (2-8S LiPo Compatible) |
| Continuous Current Rating | 8A Motor Control |
| BEC Output | 5V / 8A Regulated |
| PWM Frequency | 8000+ Hz |
| Braking Function | Active Regenerative Braking |
| Thermal Protection | Yes, Auto-Throttle on Overheat |
| Dimensions | 40 x 20 x 12 mm |
| Weight | Approximately 18 grams |
| Brand | Original Manufacturer |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Wide Input Voltage Support: Accepts 2S to 8S LiPo batteries (6-36V range) enabling single ESC compatibility across multiple aircraft platforms without requiring separate controllers
- High-Current BEC Output: Delivers 8A regulated 5V power to simultaneously operate multiple servos, flight controllers, and receiver systems without voltage dropout during peak current draw
- Active Braking Technology: Enables immediate motor deceleration and reverse thrust capability for precision landing maneuvers and emergency stop scenarios in autonomous flight systems
- Programmable Acceleration Curves: Customizable throttle response profiles allow optimization for aerobatic flying, smooth cinematic movements, or aggressive racing configurations
- Advanced Thermal Management: Integrated temperature monitoring with automatic performance throttling prevents component damage during extended high-performance operations in hot weather conditions
- Compact Form Factor: Lightweight 18-gram design minimizes aircraft weight penalty while maintaining robust 8A continuous current handling capability
Applications and Use Cases
- FPV Racing Drones: Provides reliable motor control and clean 5V power for racing flight controllers and video transmitters during high-acceleration maneuvers at 100+ mph speeds
- Professional Aerial Photography: Ensures stable gimbal servo operation and camera stabilization system power during extended filming missions with multi-rotor platforms
- RC Aircraft and Helicopters: Manages variable rotor speeds and simultaneous servo control for ailerons, elevators, and rudders in fixed-wing and rotorcraft applications
- Autonomous Delivery Systems: Supports programmable acceleration profiles and regenerative braking for precision landing sequences in commercial UAV delivery operations
- Educational Robotics Projects: Simplifies multi-motor drone assembly for engineering students by eliminating need for separate BEC modules and motor controllers
How to Use
Begin installation by identifying your LiPo battery configuration (count cell count to determine 2-8S rating) and verify it falls within the 6-36V input specification. Connect the battery positive and negative leads to the ESC input terminals using appropriately gauged wire (minimum 16AWG for 8A applications), ensuring polarity is correct to prevent component damage. Connect your brushless motor to the three motor output terminals (phase wires can be connected in any order; if rotation direction is reversed, swap any two phase wires). Secure the ESC to your aircraft frame using double-sided foam tape or nylon straps, positioning it away from high-temperature components and ensuring adequate airflow for thermal dissipation during flight.
Connect the servo connector from your RC receiver to the ESC signal input, matching the signal pin, ground, and voltage pins correctly. Program your transmitter to recognize the ESC by performing a throttle calibration sequence: apply full throttle on your transmitter, power on the ESC (which will emit calibration tones), then reduce throttle to minimum and wait for confirmation beeps. Connect your flight controller or servo systems to the 5V BEC output terminals, verifying total current draw does not exceed 8A continuous rating. Perform a ground test by slowly advancing throttle to confirm smooth motor acceleration without stuttering, then conduct a brief test flight at low altitude to verify braking response and servo operation before full-power maneuvers.
Frequently Asked Questions
Can I use the Ubec-8A with different battery cell counts on the same aircraft?
Yes, the 6-36V input range supports 2S through 8S LiPo batteries, allowing you to swap battery configurations without changing the ESC. However, you must recalibrate the throttle range each time you change battery cell count, as the ESC interprets throttle signals relative to input voltage. The 5V BEC output remains constant regardless of input voltage, ensuring your servos and flight controller always receive stable power.
What is the difference between this ESC and a standard motor controller without integrated BEC?
This Ubec-8A combines motor speed control and voltage regulation in one compact unit. Without integrated BEC, you would need a separate voltage regulator module to power your receiver and servos, adding weight and complexity. The integrated 8A BEC eliminates this requirement, delivering regulated 5V directly from the main battery while the ESC controls motor speed, resulting in cleaner wiring and reduced component count.
How do I know if my servo load exceeds the 8A BEC output capacity?
Each standard servo draws approximately 0.5-1.5A at full load depending on torque requirements. Sum the maximum current draw of all devices connected to the BEC output (servos, flight controller, camera gimbal) to determine total load. If total exceeds 8A, you must add an external 5V power supply or use a higher-capacity BEC module. Exceeding 8A will cause voltage sag, resulting in servo jitter and potential flight controller malfunction.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Ubec-8A 6-36V 2~8S Lipo Esc Online in India
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