Up to 80 minutes of cord-free runtime with 2 ION Power Pack batteries. 2X ION Power Pack System includes 2 removable, rechargeable lithium-ion batteries and a charging dock. Always Be Charging with included second battery. MultiFLEX Technology provides flexible reach for under furniture and freestanding, compact storage. Flexible Charging: charge your ION Power Pack inside the handvac, by itself, or in a charging dock. DuoClean Technology features a bristle brush to deep clean carpets and an additional soft brushroll to pull in larger particles and directly engage floors for a polished look. Floor-to-ceiling versatility. Easily converts to a handheld vacuum for above floor cleaning, car cleaning, and more. Cord- Free power via two ION Power Packs: removeable, rechargeable lithium-ion batteries. Limestone.