Keenso Cocosity Boost Converter Module USB DC 5V to 6V 9V 12V 15V 7W Mini Adjustable Output Voltage Step-up Board DC-DC

Keenso-- 7W USB DC 5V to 6V 9V 12V 15V Adjustable Output Voltage Step-up Board DC-DC Boost Converter. As a responsible seller, we promise that 100% test before shipping to ensure product perfect. 100% Money Refund/ New Replacement, Worry-free Guarantee. If your have any product issues, please do not hesitate to contact us via email & QA. Just feel free to order the BOOST CONVERTER MODULE. If there is a defect or any quality problem of our product, lifelong friendly customer service is provided by us. Sincere thanks for your browsing and support! Specification: Input voltage 3~6V, output 6-15.5V Maximum input current: 1.4A Long-term work Current: 1A Conversion efficiency: 79-90% Input:  USB  Male  Interface, DC 3-6V Output :  2 PIN  XH2.54,  DC 6-15.5V If input dc 5v,output 6-15.5V Adjustable Power :  Maximum 7W DC-DC Boost module working frequency 1.0MHZ. Operating ambient temperature : -40~+85 Degrees Celsius . Size: 47.5*16mm / 1.9*0.6in Weight: 7g / 0.2oz (approx.) Package list: 1 * Module Note: This is a DC - DC voltage converter module, please pay attention when using: 1, The input voltage should not be higher than maximum input range; 2, The output power cannot be higher than the maximum load for a long time. 3, The input power must be higher than output power, because of the power consumption of the module itself. FAQ: Q: Why the output voltage is lower than the nominal voltage? A :Because the input power is too low.Use a multimeter to test the input voltage, the input voltage is very low at this time.