Take your 1S builds to new heights with the Fractal Engineering 5V Voltage Booster! Extend your VTX voltage range and enjoy longer flight times with improved video reliability.
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Features
• Radically extend flight time and enhance video reliability on 1S Li-ion builds with this 5V voltage booster
• Solve the power supply challenge for digital or longer-range 1S builds, ensuring consistent power for the video transmitter throughout the battery discharge curve
• Retain the remote disable pad, allowing you to switch off the VTX output from the FC for battery savings, cooling, or rebooting
Why struggle with low voltage issues when you can have a reliable power solution? Our voltage booster powers your HDZero Whoop lite or Walksnail VTX down to 2.5V and below, even at full output power. With high efficiency and low noise, it's a game-changer for your 1S builds.
Specifications
- Module Properties: non-isolated step-up module (BOOST)
- Input voltage: 1.8-5V
- Output voltage: 5V
- Output Current: Rated 2.1A
- Conversion efficiency: up to 96%
- Switching Frequency: 500KHz
- Output ripple: 60mV (p-p, input 3.6V, Output 5V 1A)
- Operating temperature: Industrial grade (-40 Celsius to +85 Celsius )
- Quiescent Current: 90uA
- Load regulation: ± 1.5%
- Voltage regulation: ± 3%
- Short circuit protection: Output only
- Input Reverse Polarity Protection: None
- Output over-voltage protection
Includes
- 1x Fractal 5V Voltage Booster




Use it for your 1S Li-ion builds, especially if you have a digital or high-power analog VTX. Ideal for those looking to extend their flight time and improve video reliability. The module properties are a non-isolated step-up module (BOOST). Input voltage ranges from 1.8 - 5V, output voltage is 5V, and rated output current is 2.1A. It has a conversion efficiency of up to 96%, switching frequency of 500KHz, and more. Comes with 1x Fractal 5V Voltage Booster.