Features: Efficient DC2.7-5.5V boosting Converter Module with fast charging, delivering up to 18W output for rapid power delivery in compact devices. Features balanced charging management and 95%conversion efficiency, ensuring safe multi cell charging while minimizing energy loss during voltages boosting. Designed for drones enthusiasts, remote model builders, and electronics DIYers requiring reliability highly power solution for portable equipment. Optimizes performances in FPV drones, handheld gaming devices, and smart home gadgets where space efficient voltages boosting is critical. Compact PCB design integrates thermal protections and overcharge prevention, making it essential for lithium batteries powered projects demanding safety and portability. Specifications: Component: Plastic Size:Approx.17x10mm/0.66x0.39inch Supply Voltages: DC2.7V to 5.5V Communication Interfaces: I2C Maximums charging power: 18W 1.5A Operating temperature: -40°C~85°C Option Type:1pc,3pcs; Applicable scenario:UAV,Remote model,intelligent devices, Package Includes: Package A 1pc boosting Charging Module Package B 3pc boosting Charging Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.