... With this product, you can charge most of laptops,cell phones, digital cameras, MP3, MP4 etc. Key Specifications ... fashion.3. Small size, light and easy carrying.4. The diameters of the product’s input and output ... indication.6.This product has 5 output ports: 4 DC ports, 1 USB ports Product’s parameter: ... V or the similar electronics with the same voltage.4.DC19V :It mainly supplies power for pc adapter ...