The 7A 27S FPV Receiver Power Supply Voltage Regulator External BEC UBEC 5V StepDown Regulator Module for RC Airplane provides a dedicated 5V power source for FPV systems and other 5V electronics from a LiPo battery pack in the 27S range. With a continuous current rating of 7A, it is suitable for powering receivers, flight controllers, cameras, and other 5V devices on RC aircraft while helping to isolate your critical electronics from the main battery. Key benefits Stable 5V output for FPV gear and 5V electronics: keeps receivers, flight controllers, cameras, and other devices powered reliably from a 27S LiPo supply. External BEC design: provides a separate power path to reduce voltage noise and heat in the main power system, improving overall stability. current capability: 7A continuous current supports multiple 5V components simultaneously without overload. Efficient operation: stepdown regulation delivers power with minimal heat generation, enhancing performance during flight. Fine workmanship and compact form: crafted for dependable operation in RC aircraft with a neat, spacesaving profile. Key attributes Input: 27S LiPo battery Output: 5V regulated Current rating: up to 7A continuous Type: External BEC (UBEC) module Application: FPV receivers, flight controllers, cameras, and other 5V devices on RC airplanes Construction: designed for reliable, longterm use with careful workmanship Use cases and applications Case 1: Powering an FPV receiver and flight controller from a LiPo battery pack while keeping the main power line separate, reducing electrical noise on critical flight components. Case 2: Supplying 5V to FPV gear such as cameras and 5Vcompatible VTX units, ensuring a stable voltage supply for consistent video and control signals. Case 3: Delivering a clean 5V supply to other 5V electronics or sensors on the airframe, aiding in dependable operation of auxiliary systems during flight. Compatibility and integration Designed for RC airplanes using LiPo batteries in the 27S range. Suitable for FPV setups and other onboard 5V electronics that require a dedicated power source. External BEC configuration helps isolate powered devices from the main battery, promoting cleaner power distribution. This description reflects the product's brand, specifications, model, and features, offering a clear overview of why the 7A 27S FPV Receiver Power Supply Regulator is a reliable choice for RC airplane power management.