Woot offers (10 Count) Energizer Ultimate Lithium Batteries (AA) for $25.99 (orig. $33.99). Free shipping for Prime Members.

Product Description:
Energizer Ultimate Lithium batteries are the #1 longest-lasting batteries – complete with leak resistance and performance in extreme temperatures (-40ºF to 140ºF or -40ºC to 60ºC). To ensure your favorite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home.
Some Top Uses for Energizer Ultimate Lithium Batteries:

• Photography – high drain digital cameras and flash units that use a lot of power
• On the Job – stud finders, laser levels and high power LED lighting
• Home Safety – up to 10 years of battery backup power for 9V and AA smoke and carbon monoxide detectors
• Toys – remote control toys, motorized toys, project kits and your kids’ favorite toys they just can’t get enough of!
• Gaming – for high-use/high-drain game controllers such as Wii and Xbox
• Outdoors – camping gear, GPS units, flashlights, hunting scopes and lasers