Safety - Our product is fully certified and listed by UL, the leading authority on safety standards in the United States. UL's rigorous tests ensure that our product meets the highest safety requirements, providing you with reliability. By passing UL's stringent tests, our product has proven to be reliable and safe for both you and your devices. Compatible with Lenovo ThinkCentre M90q M90n M80q M75q M75n M70q M70s M60q M60e Gen 1 2 3 4 5 Tiny Desktop, Thinkcentre Chromebox E74z E63z All-in One, Neo 50q Gen 4 Desktop Laptop. Fit for Lenovo Ideacentre 200-01IBW 300-201IBR 300S-11IBR 310-15IAP 310A-I5IAP 310S-08IAP 310S-081IGM, AIO 520-22AST 520-22ICB 520-22IKL 520-22IKU 520-24ARR 520-24AST 520-24ICB 520-24IKL 520-24IKL 520-27ICB 520-27IKL, All-in-One C20-00 A340-22 24 AST IGM IWL, AIO 3-22 24 ADA05 IIL5 ADA6 A100. Only for amperage equal or less than 3.25A. Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement guarantee and a 360-Day-Quality-Guar