The KitchenAid Max 12V Lithium Ion Battery (KRB12) provides power to all devices in the KitchenAid Go Cordless system (sold separately). It is removable and rechargeable, offering maximum flexibility. It frees you from the constraints of cords and allows freedom of movement without needing to be near an outlet. Key features: - Faster charging: Lithium-ion batteries charge quicker and have a longer lifespan. - Increased performance: Ensure higher energy density for longer operating times in a lighter package. - Operating duration: Provides up to 20 minutes of continuous operation. - LED indicator: Includes a LED battery indicator that lights steady green when fully charged. - Lifespan: The average battery lifespan is estimated at 7 years, based on approximately 400 charge cycles. The battery fully charges in about 3 hours. Does not include a USB adapter.