Isuna U20K-POH–20kW Off-Grid Split-Phase High Voltage Inverter
Isuna U20K-POH–20kW Off-Grid Split-Phase High Voltage Inverter
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Description
Description
The Isuna U20K-POH is a high-performance 20kW off-grid solar inverter engineered for reliable energy independence in residential, commercial, and remote power applications. Designed with advanced SiC technology, high-voltage battery compatibility, and intelligent energy management, the U20K-POH delivers exceptional efficiency, powerful backup capability, and flexible solar integration for demanding off-grid environments.
Supporting both solar + battery storage and generator integration, this inverter is ideal for cabins, farms, backup power systems, and large off-grid installations requiring stable split-phase output and high surge capacity.
Key Features
- 20kW Off Grid Solar Inverter
- Split-phase 120V/240V output
- Supports 6 units parallel connection to 120Kw
- Ultra-High Efficiency
- Up to 98% max efficiency
- Advanced SiC (Silicon Carbide) technology
- Massive Solar Input Capacity
- Supports up to 30kW PV input
- Up to 200% PV oversizing
- 4 MPPT trackers for maximum solar harvest
- High Voltage Battery Ready
- Compatible with 80V–480V batteries
- Supports lithium-ion, lead-acid, and sodium-ion batteries
- Dual battery ports for mixing old and new battery banks
- Reliable Backup Power
- <8ms UPS-level transfer time
- 200%–300% overload capability
- Peak output up to 32kVA (10 seconds)
- Generator Integration
- Dedicated smart generator port
- Supports generator input power above 200%
- Built for Harsh Environments
- IP66 / NEMA 4X protection
- Indoor & outdoor installation ready
- Smart Monitoring & Connectivity
- WiFi / LAN / 4G / Bluetooth communication
- CAN & RS485 battery communication ports
Wide Operating Temperature Range
Designed for demanding environments, the Isuna U20K-PH operates reliably in extreme weather conditions with an operating temperature range of:
- -25°C to 60°C (-13°F to 140°F)
- Intelligent power derating above 40°C (104°F) for enhanced system protection and long-term reliability
This wide temperature tolerance makes the inverter ideal for Canadian climates, off-grid installations, and outdoor solar energy systems
10 Year Manufacturer warranty
Specification
Specification
Shipping & Rerturns
Shipping & Rerturns
- 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.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.

