1A 4.2V 3.7V Lithium Battery Charger MPPT Solar Controller Module with Auto Recharge Battery Overvoltage Protection for Solar Powered Systems (with Pins) - WALFRONT, WALFRONT5es0qzgpd7-11

• [FAST AND EFFICIENT CHARGING] - This lithium battery charger is designed for solar powered systems, providing a reliable and efficient charging solution. [ADJUSTABLE CHARGING CURRENT] - The charging output voltage can be adjusted between DC 4.4V to 6V, with a maximum charging current of 1A. The current can be changed by modifying the R1 resistor to suit your specific needs. [PRECHARGE ADJUSTMENT] - The module features a precharge adjustment function that helps restore deep discharge batteries and minimizes heat dissipation during the initial charging stage. [CONSTANT CURRENT/VOLTAGE OPERATION WITH THERMAL REGULATION] - The charger ensures a constant current and voltage operation, maximizing the charging rate without theof overheating. It also features thermal regulation to further enhance safety. [AUTOMATIC LOW POWER SLEEP MODE] - When the input power voltage is removed, the charger automatically enters a low power sleep mode, conserving energy and providing additional safety.