whatook small desk fan 2 pack: 5000mah 25 hours battery office quiet mini desktop fan portable rechargeable travel essentials(black and purple) black and purple 5000 mah is up for auction in Home & Kitchen. The current bid is $1.50, 95% below the $30.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.