The 1S 18650 BMS with Adjustable Step-Up Converter is a multifunctional power management module designed for building custom power banks, solar-powered systems, and portable power supplies. It supports 2 to 6 lithium-ion batteries connected in parallel and provides battery charging, protection, voltage boosting, and USB power output in a compact design. The integrated charging circuit supports up to 1A charging current, while the adjustable boost converter can generate output voltages from 4.3V to 27V. Four onboard LED indicators display the battery charge level, making it easy to monitor remaining capacity. This module is ideal for DIY electronics, battery-powered projects, solar energy systems, and portable charging applications.
