COLEMAN Onesource Heated Sleeping Bag C002 Late-season camping trip or backyard get together coming up? Stay warmer with the Coleman OneSource Heated Sleeping Bag. The mummy-shaped bag keeps you warm in temperatures as low as 32 degrees F using 2 heating pads one at the core of the sleeping bag and one at the roomy footbox distributing heat throughout. Power your heated sleeping bag using the lithium-ion rechargeable battery, an interchangeable battery that works with all Coleman OneSourc