<p>Supports MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel,Multi protection circuits: over charge \/ over discharge \/ reverse protection \/ over heat \/ over current, stable and safe to use</p> <p>Supports solar panel \/ USB connection battery charging</p> <p>For 6V~24V solar panel, DC-002 jack input or screw terminal input,Onboard MPPT SET switch, select the level closed to input level to improve charging efficiency</p> <p>Two 5V output interfaces: pinheaders and USB port,Onboard high capacity aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance</p> <p>14500 battery holder and PH2.0 battery connector, for connecting multi kinds of 3.7V Li battery,Several LED indicators, for monitoring the status of solar panel and battery</p> <p>Overview</p> <p>This solar power management module is designed for 6V~24V solar panel. It can charge the 3.7V Li battery through solar panel or USB connection, and provides 5V\/1A regulated output.</p> <p>The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is to keep working with high-efficiency, stability, and safety. It is suited for solar powered, low-power IoT, and other environmental protection projects.</p> <p>Solar panel input voltage (SOLAR IN): 6V~24V</p> <p>Micro-USB input voltage (USB IN): 5V</p> <p>Pinheader \/ USB output (USB OUT): 5V 1A</p> <p>Charging cutoff voltage: 4.2V1%</p> <p>Over discharging protection voltage: 2.9V1%</p> <p>Solar panel charge efficiency:: ~78%</p> <p>USB charge efficiency:: ~82%</p> <p>3.7V battery boost output efficiency: ~86%</p> <p>Max quiescent current: less than 2mA</p> <p>Operating temperature: -40~85</p> <p>Dimension: 65.2mm x 56.2mm x 22.9mm</p> <p>Note: the 14500 battery is NOT included.</p> <p>color:Blue</p> <p>Material:PCB</p> <p>Package Contents:</p> <p>1 x Solar Power Manager</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>