Compatibility: Ensure that the charger is compatible with your specific device. Different devices may have different charging requirements. Wattage and Output: An 85W charger typically suggests high wattage, suitable for charging laptops or other devices that require substantial power. Verify the output specifications to match your device's requirements. Ports and Connectivity: Check the types and number of ports on the charger. Some chargers may have multiple ports, including USB-A, USB-C, or other proprietary ports. Fast Charging: If applicable, see if the charger supports any fast-charging technologies compatible with your device. Safety Features: Look for safety features such as overcurrent protection, overvoltage protection, and short-circuit protection to ensure the safety of your devices during charging. Cable: Confirm whether the charger comes with the necessary charging cable or if you need to use your own. Certifications: Check for relevant certifications, such as CE, FCC, or other safety and quality standards.