Chop up to 40 onions on a full charge Based on onion size of 90 - 110 grams Rechargeable Lithium Ion Battery delivers optimal runtime and performance. Battery Indicator Light signals when it is time to charge the battery. Easy to charge with convenient charger included which works on all products across the suite. Charge from empty to full in 2 hours or less. With a quick charge of 10 minutes chop up to 11 onions Based on onion size of 90 - 110 grams when following recommended battery maintenance. 5 cup BPA-free work bowl and 2 speed settings to mix chop puree and whip a variety of dishes from a chunky pico de gallo to a hearty hummus whipped cream and more. Compact design with convenient in-bowl accessory storage. Complete Your Cordless Collection Cordless 7 Speed Hand Mixer KHMB732 and Variable Speed Hand Blender KHBBV53 available. Each sold separately.