Isuna U20K-POH 20kW Off-Grid Split-Phase Solar Inverter

What it does: A fully off-grid version of the U20K-PH — manages solar, battery, and generator power for homes, farms, and commercial properties with no utility grid connection.

Key specs:

• Output: 20,000W continuous | 120V/240V split-phase
• Efficiency: up to 98% | Solar input: up to 30kW (200% oversizing supported)
• 4 MPPT trackers | Battery voltage range: 80V–480V
• Transfer time: <8ms | Peak surge: 32kVA for 10 sec

Battery compatibility: Lithium-ion, LiFePO4, lead-acid, and sodium-ion — dual battery ports allow combining old and new battery banks

Built for: Large off-grid homes, farms, agricultural operations, workshops, commercial buildings, remote facilities

Standout features:

• 98% efficiency = more usable power per watt of solar
• <8ms transfer = UPS-level backup performance
• 200–300% overload capacity = handles hard-starting motors, pumps, HVAC
• Operating range -25°C to 60°C = suited for extreme/Canadian climates
• Parallel up to 6 units = scales to 120kW total output
• Smart generator integration with dedicated port

Connectivity: Wi-Fi, LAN, 4G, Bluetooth, CAN, RS485

Environmental rating: IP66/NEMA 4X — safe for outdoor installation

Warranty: 10 years

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.