$66.99 GROWATT SPF 3500 ES 3500W 48V Solar Inverter Off-Grid 80A MPPT With WIFI Module $901.94 - PicClick
Growatt Inverter 3500W off Grid Solar Inverter SPF 3500 Es Growatt Product 3.5kw 5kw Inverter 
Growatt SPF 3500 ES Off grid solar inverter support 48V battery MPPT | eBay
