The Ansmann AA 2850 mAh Slimline rechargeable NiMH batteries are 0.15 mm thinner than standard batteries. They are designed for dimension-sensitive devices. Why use alkaline batteries when you can get up to 1000 recycles with this high capacity rechargeable battery? They cost a little more than consumer grade but yield up to 1000 recycles instead of a 100.
• For dimension-sensitive device including Shure wireless
• Strongest and longest rechargeable batteries on the planet
• Great for wireless mics, listening assist, and more
• Engineered for long run-time and high recycles
• Yields up to 1000 recycles
• 2-year warranty