Calculation Your Laptop Power Watt and Voltage Before USEUsually, there will be a specification paper pasted on the back of your laptop that include required input voltage and amps.Laptop Power Watt = Required Input Voltage x Current Amps (eg, 19v x 3.42a = 65w)When DC tip and Voltage are the same, higher watt power adapter compatible lower one. But lower watt power adapter is not compatible the higher one. That means you could not use 100w power adapter to power device that required power more than 100w Ultrathin Design - Portable size for easy carry aroundSlim and light, almost just half thickness of general power adapter, easy to carrying. Multi-Tip Design and Automatic IdentificationYou can power your different brand laptops with just one adapter. And this power adapter automatically recognizes the best charge input for your device. More convenient and high efficiency. Plug and play, make it easy to power your device. 24-Month Warranty OAONAN provides 24 Month Warranty for all products, whether it is your first purchase or you are back for more. If you have any issues, please contact our at station letter or our support team for assistance. CompatibleHP DV2000/6000/8000,Dv4 Dv6 Dv7 Stream 11 13 14,Mini 5103,EliteBook Folio 1040 G1, Split 13 x2, Touch Smart 15-n210us, HP x360; Toshiba Satellite C55-C5241; ASUS X551MA, F555LA-AB31, X550ZA-WH11, Zen-book UX305LA, Chromebook C300MA, VivoBook E402MA F102BA F200CA, Taichi31, C201; Samsung GS6/GT6/7/8; Sony VAIO VGP; Dell Inspiron 11 13 14 15, I5558, 3000 3147 3148; Lenovo Thinkpad T410 SL510; Acer Aspire E5-573G, E1-572, E1-470P; Lenovo Yoga 2 11 11s 13, Idea-pad 500, Edge E431, E531, etc
