Woot offers (16 PACK) Rayovac AA Fusion Premium Alkaline Batteries for $4.99 (reg. $15.98) free shipping with Prime. 

Product Description:
These premium AA Alkaline Batteries excel in today's power-hungry devices including high-powered toys, video game controllers, wireless headsets and more. Plus, they're designed to prevent damaging battery leaks and tested twice prior to shipment to ensure reliability. These Double A batteries contain power rings for consistent performance and a max capacity can for safely containing and delivering maximum power. Specially formulated for power-hungry, High-Tech devices, the energy-dense Rayovac Fusion premium formula provides more power than Rayovac High Energy. No competitor's alkaline batteries outlast Rayovac Fusion Premium Alkaline AA Batteries*. *Average ANSI performance Test
 

• 16 pack of Rayovac Fusion AA Alkaline Batteries
• The most powerful alkaline AA batteries from Rayovac
• Ideal for today's high drain devices, including high-powered toys, video game controllers, wireless headsets and remote-control aircraft
• 15 Year Power Guarantee in Storage, holds power for up to 15 years
• Designed to prevent damaging leaks