Ansmann AA 2700mAh Rechargeable Battery 4 Pack with 2-year warranty. Run time in wireless 10 hours with 1000 time recycle.

Ansmann 2700 mah AA rechargeable batteries. "Work horse" AA rechargeable NiMH battery available. High recycle rate. Ansmann rechargeable batteries are noted for long recycle life - recharge these batteries up to 1000x.. Excellent for high-drain devices such as digital cameras, wireless microphone and in-ear monitors, toys, games, and just about any portable electronic device. 2 yr warranty.