Walmart offers the Kensington KeyFolio Thin X3 iPad Air Keyboard Case with Powerlift Battery for iPad Air for $29.99 with free in-store pick-up. Also available at Amazon for the same price, although it is currently out of stock but you can still lock in the discounted price. That's good for $30 off the original price, $15 less than our previous mention and the lowest price we can find.
This folio-style iPad Air case features a full QWERTY keyboard, multiple viewing angles, auto-wake/sleep and a magnetized locking system. Additionally, Kensington has included the ability to charge your iPhone or other smartphone device directly from the built-in 1,650mAh power bank. This added feature ensures that you'll always have a backup battery when you're away from a power source. Rated 3.9/5 stars.
iPad Air 2 users can currently grab an Inateck Leather and Microfiber Smart Cover in five colors for $6.99 Prime shipped (Reg. $12) at Amazon after promo code OCDAWPKO is applied. These smart covers make for a great stocking stuffer, especially if you took advantage of Best Buy's deal on iPad Air 2 this morning. It has magnetic auto sleep/wake functionality and has adjustable folding angles for viewing or typing in landscape mode. Rated 4.1/5 stars.