Optimize your solar-powered system with this advanced Lithium Battery Solar Charge Module, specifically designed for efficient and safe charging of lithium-ion and lithium polymer batteries. Engineered to operate within a power supply voltage range of DC 4.4-6V, it delivers a stable charging output voltage of DC 4.2V, ensuring optimal battery performance and longevity. Key Features: · Adaptive Charging Current: Automatically adjusts the charging current up to a maximum of 1A based on the input power supply’s output capacity, providing efficient charging tailored to your power source. · Precharge Adjustment: Supports restoring deeply discharged batteries while minimizing heat dissipation during the initial charging stage, protecting battery health. · Constant Current/Constant Voltage Operation: Employs thermal regulation to maximize charging speed without the risk of overheating, enhancing safety and efficiency. · Automatic Low Power Sleep Mode: Enters a low power state when input power voltage is removed, conserving energy and extending module lifespan. · C/10 Charge Termination & Automatic Recharge: Ensures precise charge completion and automatically resumes charging when battery voltage drops, maintaining battery readiness. · Battery Overvoltage Protection: Safeguards batteries from damage caused by excessive voltage, enhancing safety during charging cycles. · LED Indicators: “CR” LED shows charging status, while “OK” LED indicates full charge or constant voltage mode, allowing easy monitoring of charging progress. · Compact and Lightweight Design: Measuring just 18 x 10.16 x 2.7 mm and weighing only 0.9g (with pin) or 0.6g (without pin), this module is ideal for integration into compact solar-powered devices and portable battery charging applications. · Versatile Power Input: Compatible with 5V solar panels or 5V DC power supplies, making it perfect for various solar-powered and limited-output power systems. Specifications: · Item Type: Lithium Battery Solar Charge Module · Input Voltage: DC 4.4-6V · Charging Output Voltage: DC 4.2V · Maximum Charging Current: 1A (adjustable via R1 resistor) · Dimension: 18 x 10.16 x 2.7 mm · Weight: 0.9g (with pin), 0.6g (without pin) · LED Indicators: “CR” (charging), “OK” (fully charged/constant voltage) Package Includes: · 1 x Lithium Battery Solar Charge Module This Lithium Battery Solar Charge Module offers a reliable, adaptive, and safe charging solution for your solar-powered systems and lithium battery applications. Its intelligent current adjustment and comprehensive protection features ensure maximum battery life and efficient energy use, making it an essential component for sustainable energy projects.