Products

Model: CIS-3.6/5/6K-H

Single-Phase Hybrid Inverter

  • The HWOO CIS Series hybrid inverter delivers stable and efficient power for residential and small commercial solar systems. Available in 3.6KW, 5KW, and 6KW models, it features IP65 protection, supports up to three units in parallel, and switches between on-grid and off-grid modes in under 10ms. Operating below 35dB and within -25°C to 60°C, it runs quietly and reliably even in hot summer environments. Backed by a 5-year warranty, it ensures long-lasting hybrid power performance.

CIS series single phase hybrid inverter

 

Dual High-Efficiency Inputs

Stable and Powerful Energy Supply 

 

Solar——DC INPUT 

99.9% 

MPPT Tracking Efficiency — Maximizes energy conversion.  

9600W 

Supports a 1.6 DC/AC ratio, allowing connection to 9600W solar panels for increased power generation. 

Grid & Diesel Generator——AC INPUT 

9200W  

When solar generation is insufficient, the grid or a diesel generator can efficiently supplement power, ensuring stable operation. 

 

Efficient Energy Conversion

Less Loss, More Gains 

96.8% Maximum System Efficiency — Ensures every kilowatt-hour is effectively utilized. 

CIS series single phase hybrid inverter

 

<10ms Seamless Switching 

Instantly switches between off-grid and on-grid modes without interruption, ensuring critical loads like home appliances continue to operate smoothly during outages. 

 

Advanced Energy Storage Management 

Faster Charging & Discharging for Reliable Power Supply 

135A Maximum Charge/Discharge Current — Compatible with 99% of battery types, ensuring faster charging and greater energy storage in a short time for use during nighttime or power outages. 

CIS series single phase hybrid inverter

 

Weather-Resistant and Reliable 

Stable and Safe in Harsh Conditions 

 

IP65 Protection Level

Equipped with Type II surge protectors on both DC and AC sides, providing multiple safety protections suitable for diverse climate conditions. 

-25°C to 60°C Operating Temperature

The intelligent cooling system automatically adjusts fan speed, ensuring stable performance even under high temperatures while maintaining low noise levels below 35dB. 

 

Remote Monitoring & Management 

Supports WiFi/RS485 Smart Communication for real-time, remote monitoring of system status, enhancing the efficiency and convenience of solar and storage management. 

CIS series single phase hybrid inverter

 

Low Installation Cost

Lightweight 21kg Design 

Easy to handle and install, reducing installation costs and effort. 

CIS series single phase hybrid inverter

 

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Case

 

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Common Problem


Q Why is HWOO’s CIS-3.6K-H, CIS-5K-H, and CIS-6K-H considered the best single phase hybrid inverter in Pakistan? 2025-03-24 13:07:34.938
A

Our inverters rank among Pakistan’s top-tier single phase hybrid solar inverters due to their advanced MPPT technology (up to 2 MPPTs per model), 98%+ energy conversion efficiency, and robust design. They seamlessly integrate solar panels with grid power, ensuring reliable backup during outages—ideal for both residential and commercial use.

Q Are you a trusted single phase hybrid inverter supplier in Pakistan? 2025-03-24 13:12:53.050
A

Yes—we’ve been supplying premium single phase hybrid inverters nationwide for over a decade. Our products are certified for safety (e.g., LNR/FPE standards) and include 5-year warranties. Thousands of satisfied customers across Karachi, Lahore, and Islamabad rely on our 24/7 technical support.

Q How do these inverters compare to competitors? 2025-03-24 13:13:11.961
A

Key advantages:
​Higher Efficiency: Up to 98% efficiency (vs. industry average 95%).
​Intelligent Software: Real-time monitoring via our smart platform.
​Scalability: Modular design supports future upgrades (e.g., adding batteries).
​Durability: Built-in lead-acid battery charging (370V optimized) and dust-resistant components.

Q What technical specs make these single phase hybrid inverters stand out? 2025-03-24 13:13:34.099
A

MPPT Performance: 2 MPPT tracks with 20A current boosting (CIS-6K-H).
​Voltage Flexibility: Wide input range (150-450V) and stable 500V output.
​Energy Storage: Optimized for 125V-5040V battery systems.
​Rapid Response: <3km/h genset switchover speed for uninterrupted power.

Q Can I use these inverters with existing solar panels? 2025-03-24 13:13:48.005
A

Absolutely! Our single phase hybrid inverters are compatible with most PV systems. The CIS-5K-H and CIS-6K-H support up to 9,200VA AC output, making them ideal for grid-tied and off-grid setups. Contact our team for a free system assessment.

Q What about after-sales support? 2025-03-24 13:14:05.151
A

As a leading single phase hybrid inverter supplier, we offer:
Free installation guidance.
24/7 remote diagnostics.
Local service centers across Pakistan.
Warranty coverage for components like MPPT modules and control boards.

Q What makes these single phase hybrid inverters suitable for my home/business? 2025-03-24 13:12:15.286
A

The CIS series supports versatile applications:
​CIS-3.6K-H: Perfect for small homes (3.6kW output) with energy storage.
​CIS-5K-H & CIS-6K-H: Ideal for larger homes, offices, or shops (up to 6kW output).
Their dual MPPT configuration (16A-20A per track) maximizes solar harvest, while 500V-450V input voltage tolerance ensures compatibility with most panels.