?Light,Small,Innovation?The innovative chip program makes the product more compact and lighter, avoiding heat generation, More safe and reliable. It is So Light Which is An Incredibly Small Footprint the Laptop AC Travel Adapter Slips into Bags, even Pockets with Ease While You Go Anywhere. ?Automatic Protection?CNAMSZOU Square Tip power adapter power cord met stringent requirements. Built-in intelligent and safe circuit protection chip, accurate control voltage. CE/FCC/RoHS Certified. Manufactured with the highest quality materials and include multiple smart features safeguarding Provide PTC/Cyclic/Over-Charging/Over-Voltage/Over-Temperature/Over- Current/Short-Circuit/Over-Discharge Protection. The use effect is the same as the original power adapter. You can rest assured to use CC/RoHS. ?Compatible with P/N?P/N: SA10R16886, ADL170SCC3A, 02DL140, ADL170NDC2A, ADL170NDC3A, ADL170NLC3A, 01FR043, 45N0369, 4X20E50574, ADL170NLC2A, ADL135NDC2A, ADL135NDC3A, ADL135NLC3A, ADL135NCC3A, ADL135NLC2A, ADL135NCC2A, ADL135SCC3A, ADL135SDC3A, SA10E75864, 5A10J75112, 00HM686, 36200314, 45N0365, 45N0554, 45N0361, 45N0362 Laptop Charger with Square Yellow Slim Tip. ?Compatible for Lenovo 170W AC Adapter?Fit for Lenovo Legion 5i; for Lenovo ThinkPad Legion E600,E700,R720,W530,W540,W540P,W541,W550,T440,T440P,T550; for Lenovo ThinkPad Legion Y700,Y720,Y7000,Y7000 2019 PG0 81T0,Y7000 2019 1050 81V4,Y7000P,Y900,Y910,Y920,Y520,Y530,Y50-70,Y70-70, Y545 PG0 81T2,Y540-17IRH-PG0 81T3, Y540-15ICH, 5P 15IMH05 82AY; for Lenovo ThinkPad Legion P70 P71 P50 P51 P53 20QN 20QQ; for Lenovo Legion 5 15IMH05 82AU 15ARH05 82B5 17IMH05 82B3; for Lenovo Ideapad Y700,700-15,720-15,Y720-15lKBZ710 Computer Laptop Charger 170W AC Adapter. ?Widely Compatible?There are 2 different DC USB Rectangular shape(pin) connector of power adapter, fit for most laptop Output DC: 20V 6.75A 135W and 20V 3.25A 65W. [Please check the specific model in ] fit for Lenovo ThinkPad P1 P15 P15g P17 T15p T15g P73 P70 P71 P50 P51 P52 P53 20QN 20QQ MT20QN MT20QQ Laptop Power Adapter Supply Cord. ?Technical Details?170W power adapter is with Yellow Rectangle USB Tip. Outlet: 3-prong. Input Volt Range: 100-240V, 50/60HZ (for worldwide use). Output DC: 20V 8.5A for 170W. [NOT COMPATIBLE with 230W and 300W Laptop].