Specifications:
Power:90W
Input:AC 100~240V 50~60Hz / Output:DC 20V 4.5A / Connector:7.9 * 5.5mm / Item Includes:AC Adapter and Power Cord / Humidity:5% ~ 95%RH (non-condensing)
Fits Lenovo Models: Thinkpad E40 E50 Edge 14″ Edge 15″ SL410 SL410k SL510 T410 T420 T510 T510i T520i W520 Series.
Lenovo Thinkpad W520 AC Adapter Tips:
1) All our laptop AC adapters are brand new, CE certified for safety, 100% guaranteed to meet or exceed original equipment manufacturers (OEM) specifications and come with full 1 year replacement warranty. 2) Please check your original Lenovo Thinkpad W520 AC adapter's OEM part number which is printed on your adapter label, laptop model number with our postings before the purchase to make sure you get the right power adapter. 3) Do not use the Lenovo ThinkPad W520 AC adapter in dusty, dirty, and hot areas. Its moving parts and electronic components can be damaged. 4) Unplug laptop notebook adapter's AC power when not in use.5) Store Lenovo Thinkpad W520 charger in cool and dry place.
http://www.wholesale-laptop-batteries.com/ac-adapter/lenovo-thinkpad-w520-charger.htm;
http://www.laptop-pc-battery.co.uk/laptop-ac-adapter/lenovo-thinkpad-w520-charger.html.
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