Ending today, Newegg offers the refurbished 2.4-lb. Apple MacBook Air Intel Haswell Core i5 1.4GHz 11.6" LED-Backlit Laptop bundled with a Krazilla Black 2600 mAh Power Bank for $449.99. Redeem this $20 mail-in rebate to cut it to $429.99. With free shipping, that's $25 under our mention from May (which didn't include the power bank) and the lowest price we could find now by $70. It features an Intel Core i5-4260U 1.4GHz Haswell dual-core processor, 11.6" 1366x768 (720p) LED-backlit LCD, 4GB RAM, 128GB SSD, 802.11ac wireless, Bluetooth 4.0, Thunderbolt, USB 3.0, and Mac OS X v10.9 Mavericks.

Update: Specs corrected.