Goal Zero 20 Kilo-Watt Power Expansion Module Solar Electric Power Kit

The Yeti link expansion module allows you to chain a Yeti expansion tank or other 12V lead acid battery to a Yeti Lithium portable power station to increase your energy storage capacity. When placed in “car mode,” Yeti link can also be used to recharge a Yeti Lithium from your vehicle. Note: link is only compatible with a Yeti 1000, 1400, or 3000 Lithium.