OPEN BOX: The next generation of power is here! Introducing the all new Yeti PRO 4000 portable power station with dramatically more power and faster charging than previous generation models. Plus, its updated LiFePO4 battery tech means it can last for over 10 years—even with daily use. Use it for emergency home backup, take it on the road, or pair it with solar for renewable clean energy. Open Box items are high-quality, tested, and working products that can no longer be sold as new. Some are unused returned products, some had minor packaging defects, and others were used for demos or product photography. We ensure that all products are in functional working condition before we send them back out into the world. 6-Month Warranty. All sales are final. No returns or exchanges. Additional promos or discounts cannot be applied to the already reduced price.

OPEN BOX: With 3,032 Watt Hours, power your life at home, at work, and on the road. Seven versatile port options allow you to run everything from power tools and refrigerators to electric bikes and wood-fired grills. Open Box items are high-quality, tested, and working products that can no longer be sold as new. Some are unused returned products, some had minor packaging defects, and others were used for demos or product photography. We ensure that all products are in functional working condition before we send them back out into the world. 6-Month Warranty. All sales are final. No returns or exchanges. Additional promos or discounts cannot be applied to the already reduced price.

Increase the capacity of your Yeti (1500X or larger) and power your medium to large appliances for days on end with this home backup system. Two Yeti Tank Expansion Batteries and the Yeti Link Expansion Module extend your battery capacity to roughly 2,400 Watt Hours, providing you peace of mind during the next power outage. 

Increase the capacity of your Yeti (1500X or larger) and power your medium to large appliances for days on end with this home backup system. Four Yeti Tank Expansion Batteries and the Yeti Link Expansion Module extend your battery capacity to roughly 4,800 Watt Hours, providing you peace of mind during the next power outage.

Increase your home energy storage capacity with the Yeti Tank Expansion Battery and Yeti Link Expansion Module (sold separately). Each Yeti Tank Lead Acid battery adds 1,200 Watt Hours of energy storage to your system. NOTE: NOT COMPATIBLE WITH YETI 1000X.