Elevate your outdoor experience with the Lenz LITHIUM PACK RCB 2000 Set, the ultimate rechargeable lithium pack designed for comfort and convenience. Weighing in at just 115 grams, this small and compact power source connects effortlessly to your gear with secure snap buttons. Take control of your warmth with nine adjustable heating levels via the intuitive smartphone app, or choose from three direct settings on the lithium pack itself. With fast charging capabilities and a USB-C connection, you'll be back in action in no time. The charging cradle ensures convenient power-up, while temperature protection and a storage mode charging function enhance safety and efficiency. Compatible with the rcB 1200 and rcB 1800 chargers, the Lenz LITHIUM PACK RCB 2000 Set is your perfect companion for all your adventures, providing reliable heat when you need it most. Stay warm, stay mobile!