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Goal Zero

Goal Zero - Yeti Tank Expansion Battery (1200WH)

Sold in store only

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. 

  • 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.
  • 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. 



  • Wall Charger (120W): 11 hours per tank


  • Dims 15.5 x 7.5 x 10.5 in. (39.37 x 19.05 x 26.67 cm)
  • Weight 77.1 lbs (34.97 kg)
  • Warranty: 12 Months
  • Female EC8 to ring terminal: 27 in., 8 AWG
  • Male EC8 to ring terminal: 39 in., 8 AWG


  1. Expansion port male connector (input/output) 100A Max
  2. Expansion port female connector (input/output) 100A Max


  • Lead Acid (AGM)
  • 1200Wh (12V, 100Ah)