2S 74V 84V Lithium Battery Charging Module USB Booster Charging Board 5V 2A to 84V LED Micro USB Type-c Step-up Charge Module Product selling points: 1. Use high-quality materials for durability 2. Stable product performance and long service life The 3.2S lithium battery boost charging board is a dual section series connected lithium battery synchronous boost charging module that combines high integration and reliability 4. Charging integrates various protection functions: input overvoltage, input undervoltage, output overvoltage, output short circuit, chip overheating, and a maximum charging time of 24 hours 5. Wide application range, suitable for various industrial DIY occasions Parameters: Input voltage working range 4.6V~5.5V 5V/2A input synchronous boost charging Input adaptive charging Supports two 4.2V batteries LED display of charging status, supporting dual color light display Equipped with trickle/constant current/constant voltage charging mode Charging 24-hour timeout protection Output overcurrent, overvoltage, short circuit protection Input overvoltage and undervoltage protection Input withstand voltage 13V OTP over temperature protection Package List: Boost charging module * 1 _x000D_