Sunways Solar Inverter

Engineered for Performance, Built for Reliability

As a technology-driven solar inverter supplier, Sunways delivers a full range of smart energy solutions for residential, commercial and industrial use. This page showcases our hybrid inverters, on-grid inverters, energy storage systems, EV chargers and matching accessories.

Designed for high efficiency, reliable performance and easy integration, Sunways products support a wide range of solar energy needs — from home rooftop systems to commercial projects and advanced energy storage applications. With German engineering heritage and continuous innovation, Sunways helps global customers build cleaner, smarter and more sustainable energy systems.

Hybrid Inverters

A long-standing solar inverter manufacturer, Sunways Hybrid Inverters integrate solar generation, battery storage, grid connection and backup power into an all-in-one smart energy system to boost self-consumption and ensure stable power supply during power outages. Our comprehensive product lineup is widely recognized by inverter distributor partners worldwide.

We supply both low-voltage and high-voltage hybrid inverters suitable for residential, commercial and industrial scenarios. Our low-voltage series features single-phase hybrid inverters (3kW–8kW) and three-phase hybrid inverters (5kW–20kW), which are perfect for household applications. The high-voltage range comprises three-phase hybrid inverters with power ratings from 4kW to 80kW, an ideal solution for residential, commercial and industrial energy storage projects.

Capable of on-grid mode, off-grid mode and seamless on/off-grid switching, these hybrid inverters support diesel generator connection and come equipped with UPS backup and a full suite of intelligent protection functions. They run reliably under residential, commercial and industrial load conditions. As a trusted industrial inverter supplier, we provide robust equipment for demanding weak-grid and off-grid environments.

With low-voltage and high-voltage options covering residential, commercial and industrial PV systems, Sunways hybrid inverters streamline energy storage system design, speed up on-site installation and maximize long-term system value.

Hybrid Inverter Series

STH Series

STH-3K~8KTL-LS-LV

STH-3K~8KTL-LS

3~8kW | Low-voltage |Single Phase | 1/2 MPPTs | IP66

STH Series

STH-5~20KTL-LT

STH-5K~20KTL-LT

5~20kW |Low-voltage|Three Phase | 4 MPPTs | IP66

STH Series

STH-3K~8KTL-HS

STH-3K~8KTL-HS

3~8kW | High-voltage | Single Phase | 2 MPPTs | IP65

STH Series

STH-4K~12KTL-HT-P

STH-4K~12KTL-HT-P

4~12kW | High-voltage | Three Phase | 2 MPPTs | IP65

STH Series

STH-15K~33KTL-HT

STH-15K~33KTL-HT

15~33kW | High-voltage | Three Phase | 2 MPPTs | IP66

STH Series

STH-40K~80KTL-HT

STH-40K~80KTL-HT

40~80kW |High-voltage | Three Phase | 5 MPPTs | IP66

Grid-tied Inverters

As a solar inverter manufacturer with over 30 years of industry experience, Sunways on-grid inverters convert solar DC power into grid-compatible AC power, feeding clean power straight to the utility grid. Our range of solar inverter solutions caters to residential, commercial and industrial PV demands, making us a preferred partner for global inverter distributor businesses.

Serving as a dependable industrial inverter supplier, we integrate advanced MPPT, wide voltage working range, smart monitoring and full protection features into every grid-tied inverter, delivering high energy output, steady grid linkage, safe setup and seamless system compatibility over years of operation.

Single Phase Series

STS Series

STS-1K~3.3KTL-S-P

STS-1K~3.3KTL-S-P

1~3.3kW | Single Phase | 1 MPPT | IP65

STS Series

STS-3K~4KTL-M

STS-3K~4KTL-M

3~4kW | Single Phase | 1 MPPT | IP66

STS Series

STS-3K~6KTL-SE

STS-3K~6KTL-SE

3~6kW | Single Phase | 2 MPPT | IP66

STS Series

STS-7.5K~8KTL-SE

STS-7.5K~8KTL-SE

7.5~8kW | Single Phase | 2 MPPTs | IP66 

STS Series

STS-7K~11KTL

STS-7K~11KTL

7~11kW | Single Phase | 2 MPPTs | IP65

Three Phase Series

STT Series

STT-4K~25KTL-P

STT-4K~25KTL-P

4~25kW | Three Phase | 2 MPPTs | IP65

STT Series

STT-10K~20KTL-SE-LV

STT-10K~20KTL-SE-LV

10~20kW | Three Phase | 2/2 MPPTs | IP66 

STT Series

STT-15K~30KTL-SE(-S)

STT-15K~30KTL-SE(-S)

15~30kW | Three Phase | 1/2 MPPTs | IP66 

STT Series

STT-30K~60KTL

STT-30K~60KTL

30~60kW | Three Phase | 4 MPPTs | IP66 

STT Series

STT-15K~37.5KTL-LV

STT-15K~37.5KTL-LV

15~37.5kW | Three Phase | 4 MPPTs | IP66 

STT Series

STT-55K~80KTL-SE-LV

STT-55K~80KTL-SE-LV

55~80kW | Three Phase | 10 MPPTs | IP66 

STT Series

STT-100K~150KTL-SE

STT-100K~150KTL-SE

100~150kW | Three Phase | 10 MPPTs | IP66 

STT Series

STT-130K-170KTL-SE-HV

STT-130K-170KTL-SE-HV

130~170kW | Three Phase | 10 MPPTs | IP66 

Residential ESS

As a professional energy storage manufacturer, Sunways batteries boast multiple outstanding advantages. Meanwhile, they support connection to Sunways Cloud for intelligent scheduling and management via the platform.
 
Sunways Batteries store solar energy efficiently and deliver stable power when it matters most, helping users reduce grid dependence, cut electricity costs and keep essential loads running during outages.
 
Designed for residential and commercial energy storage systems, Sunways Batteries offer flexible capacity options, comprehensive high-safety protection and ultra-long cycle life, simplifying system expansion and enabling more reliable long-term energy consumption.
Equipped with intelligent BMS protection, wide inverter compatibility and scalable installation solutions, Sunways Batteries address core industry pain points including unstable power supply, soaring energy expenses and insufficient backup power capacity.

STE Series

STE-BS5-20kWh

STE-BS 5-20kWh

5~20kWh | High-voltage | Stackable | IP54

STE Series

STE-ES5-30kWh

STE-ES 5-30kWh(HV)

5-30kWh |High-voltage | Stackable | IP54

STE Series

STE-FS 10-60kWh

STE-FS 10-60kWh(HV)

10~60kWh | High-voltage |Stackable | IP65

STE Series

STE-MS 5/10kWh

STE-MS 5/10kWh

5/10kWh | Low-voltage |Wall Mounted | IP21

STE Series

STE-NS16

STE-NS16

16kWh| Low-voltage | Floor Standing| IP21

STE Series

STE-PS 30/32kWh

STE-PS 30/32kWh

30/32kWh | Low-voltage | Free Standing | IP21

STE Series

STE-MS-L10kWh

STE-MS-L10kWh

10kWh | Low-voltage | Floor Standing | IP 65

STE Series

SWS-STE-QS16

STE-QS 16

16.076kWh | Floor Standing | IP 65

STE Series

STE-OS 5~20kWh

STE-OS 5~20kWh

5~20kWh | Low-voltage | Stackable | IP65

C&I ESS

As a professional energy storage manufacturer, Sunways delivers all-in-one liquid-cooled C&I Energy Storage Systems tailored for factories, commercial plazas, industrial parks and EV charging stations.
 
Our high-capacity liquid-cooled energy storage cabinets integrate advanced BMS, intelligent EMS and high-density battery modules, supporting flexible modular expansion from small commercial projects to multi-MW industrial energy stations.
Engineered to resolve core business pain points including surging peak electricity fees, unstable grid power and insufficient backup capacity, Sunways liquid-cooled C&I storage maximizes on-site solar self-consumption, cuts peak demand charges significantly, and maintains continuous power supply for critical loads during grid blackouts.
 
Equipped with multi-layer full-chain safety protection from cell, pack to cabinet level, long-life LFP batteries and ultra-wide inverter compatibility, the system runs stably under harsh outdoor working conditions with minimal daily maintenance.
All Sunways C&I storage units support seamless connection to Sunways Cloud intelligent energy platform. Driven by cloud-based EMS algorithms, the system enables real-time monitoring, remote OTA upgrades, AI energy arbitrage and virtual power plant (VPP) scheduling, helping enterprises unlock extra revenue streams via grid auxiliary services.

With all-in-one design, LFP battery technology, intelligent EMS control and multi-level safety protection, it cuts deployment complexity while delivering long service life, safer operation and smarter energy dispatch.

Built for factories, commercial buildings and large energy users, Sunways C&I ESS solves the pain points of high electricity bills, unstable power supply, difficult installation and inefficient energy management.

STE Series

STE-GS

STE-GS 96kWh

High Voltage PACK

STA Series

STA-HT 125261

STA-HT 125/261

125/261kWh | LFP 314Ah Batteries

Sunways Accessories

Sunways provides a full suite of matching accessories to support seamless system operation and intelligent monitoring, including data loggers, GPS modules, LAN modules, Wi-Fi modules and smart meters.
These auxiliary devices enable stable signal transmission, real-time energy data collection, accurate power metering and remote cloud connectivity, supporting smooth linkage between PV inverters, battery storage systems and Sunways Cloud for unified monitoring, data statistics and intelligent dispatch.

Accessories

Wifi Module

Wifi Module

Accessories

GPRS Module

GPRS Module

Accessories

Lan Module

Lan Module

Accessories

Data logger

Data logger

Accessories

Smart Meter

Smart Meter

Smarter Energy Starts Here

Driven by our vision of Energy Connects All, Sunways delivers smart, reliable energy solutions for every scenario.

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