Goal Zero Yeti Expansion Tank

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 1.2 kWh of energy storage to your system. The Yeti Tank connects to a Yeti X or Yeti Lithium Power Station using the Yeti Link Expansion Module.

Customizable, versatile energy storage system backs up four essential circuits in your home and scales to meet your specific power needs.
Our industry-leading battery chaining technology allows you to connect cost-effective lead-acid batteries to our high-quality Yeti X and Yeti Lithium Power Stations to easily scale your energy storage capacity.

Our industry-leading battery chaining technology allows you to connect cost-effective lead-acid batteries to our high-quality Yeti X and Yeti Lithium Power Stations to easily scale your energy storage capacity.
Power everything from lights in high-use rooms and fridges to medical devices, internet modems, and more.

Integrate directly with your home's circuits for a more seamless backup power experience using the Yeti Home Integration Kit. Power everything from lights in high-use rooms and fridges to medical devices, internet modems, and more.