Product Overview Brand : Lenovo Product Type: AC Power Adapter or Charger  Model/Part Number : ADL170NLC2A  42T5290 42T5291 45N0370, 45N0372, 45N0374, 45N0487, 45N0514, ADL170NLC3A, ADL170NDC3A, ADL170NCC3A Origin : Lenovo AC Input: 100-240V~ 2.25A (for worldwide use) Operating Frequency ‎:‎ 50-60Hz DC Output: 20V–8.5A Power Potput: 170W  DC Connector Type : USB type yellow with 1 pin DC Cable Length: 1.5 Meter AC Plug Type:  UK /USA (3-prong) AC Cord/Cable: Included Condition: Original & Brand New (Fully Tested ) Warranty: 06 Months/180 Days Note:  Please be sure about DC accurate output (such as : 20V — 8.5A , 170W) & DC connector type or size (such as : USB type yellow with 1 pin) before ordering.  Caution : Please don’t waste your money & time to purchase the low class or copy Adapter/Charger  for your valuable  laptop. You Should be used Original AC Adapter/Charger , Otherwise it may cause to harm battery and your valuable laptop also. Safeguard : AC Adapter is the vital device for your valuable laptop. So, please be careful to buy this device from the market before ensuring the accurate output DC capacity (mAh) which is mentioned back side of your laptop. Inaccurate voltage and current (mAh) supply may cause of laptop’s performance and unstable voltage & current (mAh) will damage your laptop’s motherboard, battery life and other integrated electronics parts. For this reason, when you choose an adapter for your laptop that meets all of the three requirements : (i) Accurate output voltage and current, (ii) Exact DC connector/tip size and (iii)Appropriate polarity. Read More