Sungold Inverter

Batteryless Support, UL

• IP6048 - UL - $2095 6kW - [1]
• TP6048 - Not UL - 120/240 split phase - parallelable up to 9 units - [2]
• SP6548 - UL - 6.5 kW but one unit is 120V and not 240V - [3]

UL

• LFPV8K-48-120A-SP - no batteryless [4]
• LFPV10K-48-120A-SP - doesn't appear to be batteryless [5]
• LFPV12K-48-120A-SP

More

• 6kW batteryless support, not UL - [6]
• 6.5 kW Batteryless support + UL - but need 2 for 240. [7]
• 10 and 12kW - hybrid + UL but no batteryless support? [8] and [9]

Comparison

• Outback Power Sealed FXR3048A-01 3000W 48VDC Hybrid Series Sine Wave Inverter - [10]. Does not appear to have batteryless support.
• Sol-Ark - [11]. Does not appear to have batteryless support.