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 Isuna U20K-POH
Rated Output Power 20kW
Max Continuous Output Power 22kVA
Peak Output Power 32kVA (10s)
Output Voltage 120V / 240V / 208V
Rated Output Current 83.5A
Max PV Input Power 24kW / 30kW
MPPT Trackers 4
Max PV Input Current Per MPPT 36A
Battery Voltage Range 80V–480V
Battery Charge/Discharge Current 50A × 2
Max Efficiency 97.6%
CEC Efficiency 97.2%
Transfer Time <8ms
Operating Temperature -25°C to 60°C (-13°F to 140°F)
Protection Rating IP66 / NEMA 4X
Dimensions 800 × 470 × 180 mm
Weight 48 kg (105 lb)
Note: Power derating applies when operating above 40°C (104°F).

• 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.