KONKIN BOO Compatible 170W 20V 8.5A AC Adapter Charger Replacement for Lenovo ThinkPad S431 T540p X240 X250 Power

170W 20V 8.5A AC Adapter Charger Replacement for Lenovo ThinkPad S431 T540p X240 X250 Power Manufactured with high quality material and built-in protection of over current; over voltage; short circuits . COMPACT DESIGN and LOW CONSUMPTION makes it ideal for taking around and using at home.High-quality materials and tested by the manufacturer to ensure safety and durability. Clean the charging port of the power adapter regularly. Because the plug is prone to fouling after long-term use. If it is not cleaned up in time; it will cause poor contact of the plug and even cause the adapter to fail to work. Choose Correct Voltage: Please choose correct voltage before plug it to your device. Small household appliances usually don't have circuit protection; if with the wrong voltage; may damage your device. It is important to choose the right voltage before powering your device. We recommend to use less than 80% of the full load. Note: Prevent falling from heights during use. Do not throw; knock; or shake the charger. High and low temperatures can shorten the life of electronic equipment; damage chargers; and damage circuit boards. Please use indoors.Please don’t run it overload. Otherwise; it will be damaged soon.