Makita 18 V batteries not only power the expanding system of 18 V cordless tools and accessories, but can also help you stay warm in cold, harsh jobsite conditions. The 18 V LXT cordless heating jacket has a power source that accepts Makita 18 V LXT and 18 V compact lithium-ion batteries for up to 35 hours of warmth (with 6.0 Ah battery, sold separately). You can also charge your portable electronic devices with the convenient built-in USB power port. The heated jacket has three heat settings to adapt to changing weather conditions and five core heat zones (left chest, right chest, back and both pockets) for optimal heat distribution. With four pockets, including a zipped chest pocket, left and right side pockets and a sleeve pocket. A battery compartment is located on the back left side so it is out of the way but within easy reach for quick and easy access. The black heated jacket has a polyester shell for increased wind and water protection, stretchy side panels for freedom of movement and a soft fleece interior for added warmth. The adjustable cuffs have a Velcro closure for convenience and added comfort offer a better fit to keep the cold weather out. It is part of Makita's expanding 18 V Lithium-Ion System, the world's largest cordless tool system powered by 18 V Lithium-Ion slide-style batteries. Makita 18 V lithium-ion batteries have the fastest charge times in their categories, so you spend more time working and less time sitting on the charger.