They have been used comes with no inverter card. The item “2 Grid-Tie inverters” is in sale since Saturday, April 20, 2019. This item is in the category “Home & Garden\Home Improvement\Electrical & Solar\Alternative & Solar Energy\Chargers & Inverters”. The seller is “crm_1286″ and is located in Wimberley, Texas. This item can be shipped worldwide.

• Brand: Fronius
• Model: SE3800H-US
• Type: Grid Tie Inverter