Add to Cart SMA SMA SI6048-US-10 Sunny Island 6048 Inverter/Charger $3,109.99 SMA SI6048-US-10 Sunny Island 6048 Inverter/Charger 120VAC 48VDC 6.0 kW. (Bidirectional battery inverter for stand-alone operation.) The new SMA Sunny Island 4548-US and 6048-US inverters are based on the proven... Compare Add to Cart Add to Wishlist