WARRANTY & SUPPORT : 12-Months Warranty, 30 days money back guarantee. Free exchange for any quality problems. 24 x 7 email support. Great before and after sales services. Please contact us if you have any problems for our adapters. Buy with confidence!. FACTORY SALE : We have our own factory so we can control strictly on the production. Also there’re professional engineers and staff to work with the products’ quality and safety. Our mission is quality and customer first. Every one of our replacement notebook adapters are tested to meet OEM specifications. SAFETY : ECHEER AC adapters have passed strict intelligent detection, like over-current protection, over-voltage protection, short circuit protection which is very important for adapter’s use cycle and safety. Also CE, FCC, RoHS certificated. COMPATIBILITY : Fit 40y7696 42t4419 42t4423 42t5282 Pa-1650-16 Pa-1650-16i 40Y7699, 92P1104, 92P1111, 92P1154, 92P1156, 92P1158, 92P1160, 92P1161, 92P1212 92P1253, 92P1254, 92P1255, 93P5026, FRU 92P1104, FRU 92P1106, FRU 92P1108, FRU 92P1110 FRU 92P1112, FRU 92P1114, FRU 92P1153, FRU 92P1157, PA-1650-161, PA-1650-171, PA-1900-171 40Y7659, 40Y7660, 40Y7661, 40Y7662, 40Y7664, 40Y7665, 92P1105, 92P1109, 92P1110, 92P1113, 92P1114. For compatible models please refer to description or contact us. SPECIFICATION : DC Output 20V 4.5A, Input 100-240V 50-60Hz, Power 90 Watt, Connector Size:7.9*5.5mm(round tip), 3 prongs, Color Black, Condition new, Weight about 0.75lb, Package includes 1xreplacement AC adapter, 1x DC power cord. To choose the right AC charger, it is important to check your old adapter before to find out these features(output, input, connector size etc.).