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Groupon.com [groupon.com] has Shark IONFlex DuoClean Cordless Ultra-Light Vacuum (Refurbished) IF203 for 107.99. Great price for the refurb.

Groupon.com [groupon.com]also has Shark IONFlex DuoClean Cordless Ultra-Light Vacuum: UF280 (Certified Refurbished) for $ 139.99. This is the model with 2 batteries.