Features: Only Pwr+ Chargers Have Extra Long 10 Ft Power cords / Output Max: 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 4.5A (30W 45W 61W 65W 85W 90W) / Input Volt: 12V-24V UL Listed: Tested, Approved and Certified by UL. UL number is unique. UL testing is authorized by OSHA - US Federal Agency. Support: 30 Days Refund - 24 Months Exchange. PWR+ is WA, USA based company. Compatibility: Dell Latitude Precision XPS, Lenovo GX20M33579 4X20M26268 IdeaPad 720 720s (13 ONLY!), Yoga 370 910 920, ThinkPad X1 Carbon; MacBook Pro 13 13.3 A1706 A1708; Razer Blade Stealth RZ09-0196; Microsoft Surface Go; Huawei MateBook X Pro; Google Pixelbook; Samsung Notebook 7 Spin 9 Chromebook Plus; Dell XPS, Latitude 11 12 13; Asus Zenbook 3; Acer Chromebook, Swift Spin 7; Lenovo L380 X380 A275 A475 E480 E580 L580 P51S T470 T470s T480 T480s T570 T580 X270 X280 Acer Chromebook CP5 CP5-471, CB515 CB515-1HT, R13 CB5-312T, Swift Spin 7 SF713 SF713-51 SP714 SP714-51; Dell XPS 12 9250, 13 9350 9360 9365 9370, Latitu