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BEC module Flywoo O4 1S 5V The Flywoo O4 1S 5V BEC module is an ultra-compact and lightweight power supply solution designed for 1S microdrones using the DJI O4 digital image transmission system. Measuring just 11.5 x 8.2 x 2.2mm and weighing only 0.4g, it provides a continuous and stable output of 5V/3A from a 1S battery (input 2.65V-5V). This module ensures optimal performance without overheating even under full load thanks to built-in overheating protection and frequency reduction. Ideal for space-constrained FPV drones of 1.6"-2", the O4 BEC module provides a clean and reliable power supply while maintaining maximum system efficiency and thermal safety. Specifications: Model: O4 1S 5V BEC module Input voltage: 2.65V - 5V (compatible with 1S batteries) Output voltage/current: 5 V / 3 A Dimensions: 11.5mm x 8.2mm x 2.2mm Weight: 0.4 g Temperature performance: ≤45 °C at 3 A output at 25 °C ambient temperature Protection: Built-in overheating protection Compatibility: 1S powered FPV drones (Class 1.6"-2") Construction: Ultra-compact and light, suitable for installation in confined spaces The package contains: 1 x Flywoo O4 1S 5V BEC module 1 x shrink film 4 x silicone wires (red/black)