Goal Zero Yeti Link Expansion Module - Increase your home energy storage capacity with the Yeti Link Expansion Module and Yeti Tank Expansion Battery (sold separately). Yeti Link lets you connect Yeti Tank lead-acid batteries to your Yeti X or Yeti Lithium Power Station to increase your storage capacity at 1.2 kWh intervals. The Yeti Link comes with its own 120W Power Supply for charging from the wall. Usage Note: The Yeti Link Expansion Module and Yeti Lithium MPPT Solar Charging Optimization Module use the same expansion bay therefore they are unable to be used at the same time. CHARGE TIMES Max Input from Yeti Tank to Goal Zero Yeti 1000/1000X: 454-605W Goal Zero Yeti 1400/1500X: 454-750W Goal Zero Yeti 3000/3000X: 750W Goal Zero Yeti 6000X: 750W PORTS Do not exceed 22V input 8mm Charging Port (input): 14 - 22V Do not exceed 150W (10A) per port External Battery Connector (output): 65A charge controller External Battery Connector (Input/Output): 10.7-15V. Do not exceed 15V GENERAL Product SKU: 98210 Weight: 1.5 lbs (680 g) Dimensions: 10.25 x 3.3 x 1.5 in (26 x 8.4 x 3.8 cm) Warranty 12 months