GEPRC O4 Series Step-Down BEC
- Exact Model GEPRC O4 Series Step-Down BEC
- Compatibility Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation.
- Input Voltage DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only.
- Output Voltage Default 9V output, switchable to fixed 5V by bridging the 5V pad.
- Control & Wiring Includes EN pad electronic switch control and plug-in cable support.
- Size & Weight Approx. 17 × 8.3mm and 1g.
| Brand | Geprc |
|---|---|
| Compatibility | Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation. |
| Input Voltage | DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only. |
| Output Voltage | Default 9V output, switchable to fixed 5V by bridging the 5V pad. |
| Control & Wiring | Includes EN pad electronic switch control and plug-in cable support. |
| Size & Weight | Approx. 17 × 8.3mm and 1g. |
GEPRC • PRODUCT FOCUS
GEPRC O4 Series Step-Down BEC
Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation.. DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only.
Product overview
GEPRC O4 Series Step-Down BEC is a electronic component from GEPRC. Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation.. DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only.
The following specifications apply to the exact listed model. Confirm compatibility rather than relying on the appearance of another product in the same family.
Features that matter
Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation.
DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only.
Default 9V output, switchable to fixed 5V by bridging the 5V pad.
Includes EN pad electronic switch control and plug-in cable support.
Approx. 17 × 8.3mm and 1g.
Technical specifications
| Compatibility | Designed for DJI O4 Air Unit and DJI O4 Air Unit Pro power regulation. |
|---|---|
| Input Voltage | DC 10.5–25.2V input, compatible with 3–6S batteries; step-down only. |
| Output Voltage | Default 9V output, switchable to fixed 5V by bridging the 5V pad. |
| Control & Wiring | Includes EN pad electronic switch control and plug-in cable support. |
| Size & Weight | Approx. 17 × 8.3mm and 1g. |
Compatibility and setup
Match exact host hardware, pinout, operating voltage, length and connector. Similar plugs may use a different internal wiring order.
Select the GEPRC O4 Series Step-Down BEC only after checking the exact revision, connectors and any related installation or safety requirements.
Before you choose
- Confirm the listed exact model and version.
- Match the required electrical ratings and mechanical dimensions.
- Check the included pack quantity and any separately sold accessories.
- Use the manufacturer's setup instructions before operation.

GEPRC
Explore the technology behind your next build.
Discover GEPRC
GEPRC focuses on the FPV ecosystem, from ready-to-fly quadcopters and cinewhoops to airframes, electronics, motors and navigation accessories. Its product families serve pilots looking for cinematic flying, freestyle performance, long-range exploration or carefully selected parts for custom aircraft.
GEPRC equipment rewards attention to the complete build rather than any single component. A GPS module must match the flight controller's available connections, a battery must suit the voltage and dimensions of an airframe, and a video or radio configuration must align with the pilot's existing control and viewing system.
Explore the brand by starting with your flying style and aircraft size. Check receiver protocols, video transmission, mounting, operating voltage and firmware before choosing related parts. That compatibility-first approach makes it easier to build a dependable and purposeful FPV setup.
Shipping Information
- Dubai Deliveries: Free one-day delivery within Dubai on business days, with an option for cash on delivery.
- UAE Deliveries: Delivery to other Emirates outside Dubai is available for a flat fee of AED 35, with an estimated delivery time of 2–3 business days. Please contact our team to check availability.
- International Deliveries: Shipping to GCC countries, the Middle East, and Africa is available upon prior arrangement with our support team due to varying import regulations. Customs, clearance fees, and taxes are the buyer's responsibility. For international shipping of additional accessories, all shipping costs, customs duties, and related fees will also be borne by the buyer.
Related products
GEPRC DJI O4 Coaxial Cable
- Exact Model GEPRC DJI O4 Coaxial Cable
- Cable Length 6 cm, 9 cm, 17.5 cm, 20 cm
- Compatibility DJI O4 Air Unit camera-to-air-unit installations
- Connector Type Miniature DJI O4 coaxial connectors at both ends
- Installation Direct replacement; route without twists, crushing or sharp bends
- Package 1 × GEPRC DJI O4 coaxial cable in selected length

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