This durable rechargeable 2500mAh (2.5 amp hours) lithium-ion battery provides sufficient power for run times of 60 minutes on low "solo", 44 minutes on low with running Electrobrush, 34 minutes on medium with running Electrobrush and 17 minutes on high with running Electrobrush. Rated at 25.2 Volts, it provides the punch needed for Miele's powerful Vortex motor to supply the suction and air flow required for this vacuum's high performance. This battery is also known as part #11384710. For similar products see our list of Miele Vacuum Accessories.   View Larger Image