MusRock 5pcs 3.7V to 9V 5V/2A DC-DC Boost Module for 18650 Battery with Type-C Charge Boost Function

【Wide Input Compatibility】 4.5V–36V DC Input; Supports Solar Panel and Vehicle Battery; 5V/9V Adjustable Output (4.3V–27V via Potentiometer)

【High Efficiency Dual Function Module】 95% Discharge Efficiency; Simultaneous Charging and Discharging Supported; 2A Max Output (1.5A Recommended with Heat Sink)

【Integrated Protection System】 Overcharge, Overcurrent, and Short-Circuit Protection; Auto-Recovery Feature; Reliable Performance in Diverse Workplaces

【Easy to Use with Standard Interfaces】 Type-C Charging Port (5V/1A); Compatible with for Arduino and for Raspberry Pi; Simple Setup with Multimeter Calibration

【Robust Design for Everyday Use】 -40°C to +85°C Operating Range; Compact Black PCB (33mm × 22mm × 10mm); Suitable for Portable Electronics and DIY Projects