Details leak on Lenovo ThinkPads W701 and W701ds | ZDNET
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Yustda 230W AC/DC Adapter Replacement for Lenovo ThinkPad W701 W701ds Series Laptop W701-2444, W701-2500, W701DS-2543 Power Supply Cord Cable Charger Mains PSU(Note: Not Fit 7.9mm5.0mm with Pin) - Walmart.com