USB-C PD Adapter: Built-in with PD & E-mark intelligence chip which can adjust current automatically , this reliable conductivity and stable charging current will make the USB-C power cord strong enough to support max 5A current 20V voltage go through for 100W PD fast charger,and compatible with 100W 90W 65W 45W etc. power delivery PD rapid charge (Not for video or data transferring use) | Laptop Charging Cable: Travel friendly with lightweight & compact portable design that you can get rid of the heavy chargers / power bricks , and carry it in your backpack even in shirt pocket | Type C Cable for Laptop: Durable braided nylon wrapped shell and reinforced joint provide long-lasting lifespan and tangle-free using experience which is better than others. Please note that the power of your PD wall charger must be over than the laptop output； for e.g., the original power supply of your laptop is 19V 3.33A, and its power is 65w , then you need to use a 65W PD power supply for this cable | Troubleshooting: 1. When the LED flashing: it means that the charger is running out of voltage. Use 20V 65W or higher USB-C charger. 2. Phone and Pad Charger DOES NOT WORK: Most phone chargers will not work with this cable because there is no 20V output or less than 65W. 3. LED does not light: Accessories (cable or charger) may not meet the requirements. Try another 20V/5A 100W charger. If it still doesn't work, please contact seller | Worry-free Warranty: If the item is defective, all customers can enjoy replacement within 12 months. Although Amazon return windows will close after one month, you can click on seller store on right corner “ask a question” to get in touch with us