Product Overview

The 20kW Off Grid Inverter is designed for medium to large-scale independent power systems, including residential backup, commercial energy storage, and remote power applications.

It converts DC power from battery banks or solar systems into stable AC power with high efficiency and strong load adaptability, supporting continuous operation under demanding conditions.

Specifications

Technical parameters
Series	HK196	HK1220
Output power (kVA)	6/8	6/10/15/20/25/30
BATTERY
Rated voltage(VDC)	96	220
Mains bypass(optional)
Input voltage allowable range(VAC)	220±15%
Input frequency(Hz)	50/60±3%
Mains charging	Optional
AC output
Output waveform	Pure sine wave
Output voltage(VAC)	220±1%
Output frequency(HZ)	50/60±1%
Output waveform distortion rate(THD)	≤2% (Liner load)
Inverter efficiency	≥85%
Current peak factor	3:1
Overload capacity	105%-110%,10min:;110%-125%,1min:＞125%,1s
Display method	LCD+LED
Protective function	Input reverse connection protection, input undervoltage protection, input overvoltage
	protection, output overload protection.
	Output short circuit protection (not automatically restored, the machine needs to be
	restarted), machine overheating protection.
Communication function	RS485/GPRS (Optional)
Environment
Protection level	IP20
Operating altitude(m)	5000(Reduce capacity for use above 2000 meters)
Allowable relative humidity(%RH)	<95(No condensation)
Environment temperature("C)	-10~40
Noise((dB)	≤50
Weight(kg)	75-85	50-155

Core Engineering Advantages

Delivers a 300% power surge (60kW) to effortlessly start heavy inductive loads like pumps and compressors.

Features a built-in isolation transformer for robust protection against DC interference and grid surges.

Integrates seamlessly with LiFePO4 and Lead-acid batteries via smart RS485/CAN communication.

Supports paralleling up to 120kW (6 units) with synchronized 3-phase output for industrial applications.

OEM / ODM Services

Customization: Localized voltage (110V-480V) and frequency (50Hz/60Hz) tuning.

Branding: Custom silk-screen logos, housing colors, and firmware UI.

Support: 2% spare PCBA parts provided for bulk orders; 24/7 remote engineering support.

Application Scenarios

Commercial & Industrial: Remote factories, telecommunication base stations, and cold storage.

Agriculture: High-power solar water pumping and irrigation systems.

Reliable Backup: Large-scale residential estates and emergency medical facilities.

Manufacturing & Quality Assurance

Tier-1 Components: Built with high-performance IGBT modules and industrial-grade capacitors for a 15-year design life.

48h Burn-in Test: 100% of units undergo full-load high-temperature aging tests before shipment.

Global Compliance: Certified to CE (LVD/EMC), IEC 62109, and RoHS standards.

Supply Strength: ISO 9001 factory with 10,000+ units monthly capacity.

FAQ

Q: Can this 20kW unit start industrial-grade motors?

A: Yes. Equipped with a heavy-duty copper transformer, it supports a 300% surge (60kW) for 10ms. It is specifically designed to handle high inrush currents from pumps and compressors that standard electronic inverters cannot.

Q: What is the maximum PV input efficiency?

A: The high-voltage MPPT (up to 800VDC) supports 25kWp PV input. The high-voltage design minimizes DC cable losses and simplifies installation by allowing longer series strings.

Q: Is the system scalable for larger power demands?

A: Yes. You can parallel up to 6 units (120kW total). It supports both single-phase and synchronized three-phase configurations for industrial micro-grids.

Q: How does it perform in high-temperature environments?

A: It features an independent cooling channel and redundant fans. The system delivers 100% continuous output at ambient temperatures up to 50°C without power de-rating.

Q: Is the BMS compatible with customized LiFePO4 batteries?

A: Yes. The integrated RS485/CAN port supports standard protocols (Pylontech, BYD, etc.) and custom protocol mapping to ensure accurate SOC management and battery longevity.

Hot Tags: 20 kw off grid inverter, China 20 kw off grid inverter manufacturers, suppliers, factory

Technical parameters
Series	HK196	HK1220
Output power (kVA)	6/8	6/10/15/20/25/30
BATTERY
Rated voltage(VDC)	96	220
Mains bypass(optional)
Input voltage allowable range(VAC)	220±15%
Input frequency(Hz)	50/60±3%
Mains charging	Optional
AC output
Output waveform	Pure sine wave
Output voltage(VAC)	220±1%
Output frequency(HZ)	50/60±1%
Output waveform distortion rate(THD)	≤2% (Liner load)
Inverter efficiency	≥85%
Current peak factor	3：1
Overload capacity	105%-110%,10min:;110%-125%,1min:＞125%,1s
Display method	LCD+LED
Protective function	Input reverse connection protection, input undervoltage protection, input overvoltage protection, output overload protection. Output short circuit protection (not automatically restored, the machine needs to be restarted), machine overheating protection.
Communication function	RS485/GPRS (Optional)
Environment
Protection level	IP20
Operating altitude(m)	5000(Reduce capacity for use above 2000 meters)
Allowable relative humidity(%RH)	<95(No condensation)
Environment temperature("C)	-10~40
Noise((dB)	≤50
Weight(kg)	75-85	50-155

20 Kw Off Grid Inverter