Built For Vehicle Borne Adventure. Whether sleeping in the parking lot up at Mt. Baker, surf trips in the PNW, or those cold winter nights at the cabin, the Topside provides you with the extra heat you need to stay out longer. Warmest Outdoor Heated Blanket: 48W max heat output Smart Controller: Remembers your settings with built-in safety sensors Recycled Material: 100% Post-consumer recycled polyester shell and insulation Three Ways To Charge: From The Sun: Recharge from the sun by connecting a compatible solar panel, either the foldable Nomads or mountable Boulder solar panels. The higher the watts of the panel, the faster the charging times. From The Wall: Plug it into the wall using the included 60W power supply for a full recharge in just 10 hours, or plug in with the Yeti X 120W Power Supply to halve that charge time. You can also use any USB-C power supply to charge the power station. From The Car: Plug into your vehicle's 12V outlet using the Goal Zero Yeti Lithium 12V Car Charging Cable Note: Do not attempt to charge your Yeti from a 12V source using any other cable. Doing so may cause damage to the unit. 12v Battery Required. Not Included Features: Warmest Outdoor Heated Blanket 48W max heat output Three Ways To Charge Smart Controller Recycled Material Ignik Topside Heated Blanket