UBEC 5V Switching Regulator 3A 5A 7A 15A for FPV RC Drone

Full Shielding Anti-Interference UBEC Switching Regulator for FPV & RC Drones

Power your FPV drone, RC aircraft, or receiver with confidence using this Full Shielding Anti-Interference UBEC Switching Voltage Regulator. Available in 3A, 5A, 7A, and 15A variants, this compact module delivers clean, stable 5V power from your LiPo battery pack — protecting sensitive electronics from voltage spikes and RF interference. The full metal shielding ensures rock-solid signal integrity even in demanding flight environments.

Made in Mainland China.

Why Choose This UBEC?

• Full EMI Shielding: Metal-wrapped housing blocks electromagnetic interference, keeping your receiver and flight controller running cleanly.
• Multiple Current Ratings: Choose 3A, 5A, 7A, or 15A to match your build's exact power requirements.
• Wide Input Voltage Range: Compatible with 2S–8S LiPo (5.5V–35V) on most variants; 15A model supports 6S–12S (23V–45V).
• Stable 5.25V Output: ±0.5V output voltage keeps receivers and servos within safe operating range.
• High Instantaneous Current: Handles burst loads without voltage sag — ideal for high-draw moments during flight.
• Compact & Lightweight: Designed for easy integration into any FPV or RC build with minimal added weight.
• Plastic + Metal Construction: Durable yet lightweight housing built to withstand vibration and impacts.

Technical Specifications

UBEC-3A

• Input Voltage: 5.5V–26V (LiPo 2S–6S)
• Continuous Current: 3A
• Instantaneous Current: 4A (20 sec)
• Output Voltage: 5.25V ±0.5V
• Dimensions: 26 × 12 × 11 mm (board section)

UBEC-5A

• Input Voltage: 5.5V–35V (LiPo 2S–8S)
• Continuous Current: 5A
• Instantaneous Current: 6A (20 sec)
• Output Voltage: 5.25V ±0.5V
• Dimensions: 43 × 21 × 1 mm

UBEC-7A

• Input Voltage: 5.5V–35V (LiPo 2S–8S)
• Continuous Current: 6A
• Instantaneous Current: Min 7.5A (20 sec)
• Output Voltage: 5.25V ±0.5V

UBEC-15A

• Input Voltage: 6S–12S (23V–45V)
• Continuous Current: 15A
• Instantaneous Current: 30A (10 sec)
• Dimensions: 55 × 28 × 5 mm

Package Contents

• 1× UBEC (your choice of 3A / 5A / 7A / 15A)

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is a UBEC and why do I need one for my FPV drone?

A: A UBEC (Universal Battery Elimination Circuit) is a switching voltage regulator that converts your LiPo battery's higher voltage down to a stable 5V output for powering your receiver, flight controller, and servos. Unlike linear regulators, a switching UBEC is highly efficient and generates very little heat, making it ideal for FPV drones and RC aircraft where weight, space, and reliable power are critical.

Q: Which UBEC current rating should I choose for my build?

A: The right rating depends on your power demands. The 3A model suits lightweight receivers and small builds (2S–6S). The 5A and 7A models handle mid-size FPV builds with multiple servos or peripherals (2S–8S). The 15A model is designed for large, high-current setups on 6S–12S packs with many high-draw components. When in doubt, choose a slightly higher rating for headroom.

Q: Does the full shielding really make a difference in FPV performance?

A: Yes — the full metal EMI shielding is one of the key features of this UBEC. Switching regulators can emit electromagnetic interference that disrupts RC receivers and video transmitters. The shielded enclosure significantly reduces this noise, resulting in cleaner video signal, more reliable RC link, and stable flight controller readings, especially on high-powered or long-range FPV builds.

Q: Is this UBEC compatible with my LiPo battery?

A: The 3A model supports 2S–6S LiPo packs (5.5V–26V). The 5A and 7A models support 2S–8S (5.5V–35V). The 15A model supports 6S–12S packs (23V–45V). Always verify your pack's fully-charged voltage falls within the supported input range before connecting.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.