🏭 Verified Manufacturer & Supplier

Solar Microinverter
Manufacturer

ShineTong is a B2B-focused solar microinverter factory and supplier based in China. We deliver single, dual, and quad-channel microinverters to distributors, EPC contractors, and installers in 70+ countries — with OEM/ODM options, flexible MOQ, and 25-year product warranties.

15+
Years Manufacturing
70+
Countries Served
500K+
Units Shipped
97.5%
Peak Efficiency
CE Certified
VDE4105 Certified
IP67 Weatherproof
25-Year Warranty
OEM/ODM Factory
5,000+ B2B Partners
ShineTong solar microinverter installed on rooftop panels
97.5% Peak CEC Efficiency

Panel-Level Power Conversion — The Smarter Way

A solar microinverter is a compact power electronics device mounted directly on the back of each individual photovoltaic (PV) panel. Unlike traditional string inverters — where all panels share a single conversion path — microinverters perform DC-to-AC conversion at the panel level. This architecture, known as Module-Level Power Electronics (MLPE), eliminates the weakest-link problem in conventional solar arrays.

When one panel is shaded, soiled, or underperforming in a string inverter system, the output of the entire string drops. ShineTong microinverters solve this by giving each panel its own dedicated Maximum Power Point Tracking (MPPT) circuit, ensuring every panel operates at its individual peak potential — regardless of what the neighboring panels are doing.

For B2B buyers including distributors, EPC contractors, and solar installers, this translates into higher energy yield per installation, fewer service callbacks, faster commissioning, and more satisfied end-customers — all critical factors in building a competitive solar business.

Energy Yield Comparison vs. String Inverter (Partial Shade)
Microinverter Up to 25% more output
String Inverter Limited by worst panel

How a Microinverter System Works

Understanding the end-to-end signal path helps you specify the right ShineTong microinverter series for your project.

1

DC Generation

Each PV panel generates raw DC electricity from sunlight. Voltage and current vary constantly with irradiance, temperature, and shading.

2

MPPT Tracking

The built-in MPPT algorithm continuously samples the panel's I-V curve (>99.8% efficiency) and adjusts the operating point to extract maximum power at all times.

3

DC-to-AC Inversion

The conditioned DC is converted to grid-quality AC (230V/240V, 50/60Hz) with low THD (<3%), ready for direct use or export to the utility grid.

4

Grid Feed & Monitoring

AC output is combined via trunk cables to the main panel. ShineTong's cloud monitoring platform tracks each panel's output in real time for proactive O&M.

ShineTong Microinverter Series

Our microinverter line covers every application from residential rooftop to light commercial. All models are manufactured in our own ISO-certified factory with 100% aging tests and full traceability.

ST-500M
Single-Channel
Residential
ST-500M Series
AC Output
500 / 600W
Peak Efficiency
96.5%
MPPT Efficiency
>99.5%
Protection
IP67
ST-1200D
Dual-Channel
Residential / Commercial
ST-1200D Series
AC Output
800 – 1600W
Peak Efficiency
97.0%
MPPT Channels
2 Ind. MPPT
Temp Range
-40°C ~ 65°C
ST-2800Q
Quad-Channel
Commercial & Industrial
ST-2800Q GaN Series
AC Output
2000 – 2800W
Peak Efficiency
97.5%
Technology
GaN Power
Input Current
20A Max

Technical Advantages That Matter to B2B Buyers

These are not marketing claims — they are engineering realities that affect your project ROI, after-sales support burden, and customer retention.

Per-Panel Maximum Power Point Tracking

Each ShineTong microinverter runs its own dedicated MPPT algorithm with >99.8% tracking efficiency. In real-world installations with mixed orientations, partial shading from trees or chimneys, or inter-row shading on ground mounts, this translates to 5–25% more annual energy yield compared to string topologies.

🔒

Inherently Safe Low-Voltage DC

Microinverter systems operate at panel-level DC voltages (typically 20–60 VDC), far below the 600–1500 VDC strings found in conventional systems. This dramatically reduces shock and arc-flash risk during installation and maintenance.

🛡️

No Single Point of Failure

In a string inverter system, a single inverter fault can take down an entire array. With ShineTong microinverters, if one unit fails, only that panel goes offline — the rest continue generating revenue.

Key Technical Parameters

97.5%
Maximum CEC Efficiency (ST-2800Q GaN)

Designed for Extreme Environments

ShineTong microinverters are rated for operation from -40°C to +70°C ambient. The sealed IP67 enclosure protects against dust ingress and temporary water immersion — qualifying them for rooftop, carport, ground-mount, and marine-adjacent installations worldwide.

25yr
Product Warranty on All Series
ParameterST-500MST-1200DST-2800Q
Rated AC Output500 / 600W800–1600W2000–2800W
MPPT Efficiency>99.5%>99.8%>99.8%
Max DC Input V60V60V60V
Max Input Current14A16A20A
AC Output Voltage220–240V220–240V220–240V
THD<3%<3%<2.5%
Operating Temp-40°C ~ 65°C-40°C ~ 65°C-40°C ~ 70°C
ProtectionIP67IP67IP67
Warranty25 Years25 Years25 Years

Frequently Asked Questions

Is ShineTong a factory or a trading company?
ShineTong is a vertically integrated manufacturer with our own production facility in Guangdong Province, China. We design, manufacture, test, and ship all products from our own factory. We are not a trading company — we have no middlemen between you and the production line.
What is the minimum order quantity for microinverters?
MOQ varies by product series and destination market. As a general guideline, sample orders (10–50 units) are available for new partners. Standard stocking orders typically start at 100 units per SKU.
Can ShineTong microinverters be used with any solar panel brand?
Yes. ShineTong microinverters are compatible with any crystalline silicon or thin-film PV module that operates within the specified input voltage and current ranges.
What lead times should I plan for?
Standard catalog products in stock ship within 3–7 business days. Made-to-order quantities under 500 units typically carry a 2–4 week production lead time. Larger volumes require 4–8 weeks.

Ready to Source Microinverters Direct from the Manufacturer?

Join 5,000+ global B2B partners who trust ShineTong for solar microinverters. Get factory pricing, OEM options, and dedicated technical support.