Solar panels, storage, mounting and the appliances around them — engineered in-house, certified worldwide and shipped factory-direct. 20 GW delivered to 800+ buyers in 120+ countries.
✓ TÜV · UL · IEC · CE certified ✓ 26 datasheets ready to download ✓ Sales engineers reply within one working day
Compare applications, documented specifications and installation requirements before choosing a product.
A compact dual-glass option for roof layouts where module dimensions, handling and string design matter as much as headline watts. This page documents the CSTB54 model group; larger NeoPro formats require their own datasheets.
CSTB54-430–455 · 430–455 W
View specifications & selection guide →Evaluate HJT when cell temperature and a usable rear surface are important to the project. The documented CSHJ72 group uses 144 half-cells and dual glass. Its temperature coefficient is not a guarantee of higher annual output in every installation.
CSHJ72-590–620 · 590–620 W
View specifications & selection guide →A frameless ETFE format for weight-sensitive and curved installations. The documented range separates 50–200 W 12 V-class panels from 300–500 W HV panels. Nominal battery class is not the same as the panel operating voltage; use the electrical table to select a controller.
Flexible 12 V / HV · 50–200 W / 300–500 W
View specifications & selection guide →
COTECH SOLAR, founded in Shanghai, is a vertically integrated solar leader and subsidiary of COTECH SOLAR GROUP LIMITED. We offer comprehensive solutions: cells, solar panels (modules), systems and PV projects — with quality assured through advanced production and international certifications.
Read more→Generation, storage, mounting and the solar appliances around them — engineered, documented and shipped together.
On-grid, off-grid, flexible and portable solar panels (PV modules) — TOPCon, HJT and back-contact, up to 730 W.
ExploreLiFePO4 storage from 300 W balcony kits to 5 MWh liquid-cooled containers.
ExploreRoof, ground, carport, balcony, tracker and floating structures rated to 60 m/s.
ExploreSolar light towers, surveillance trailers, generator trailers and portable stations.
ExploreFull-auto, semi-auto and trackless robots — dry cleaning that lifts yield 6-20%.
ExploreBrushless pumps for wells, irrigation, pools and livestock — MPPT, dry-run protected.
ExploreStreet, wall, garden lights and home kits — LiFePO4, 180 lm/W, PIR smart control.
ExploreNine ventilation lines — roof, wall, industrial, ceiling, ducted, tent fans and skylights.
ExploreFrom the first shipments to a Top-50 global module supplier — cumulative exports across 120+ countries.
One supplier for generation, storage, mounting and the appliances around them — with the certifications and documentation your market asks for.
About COTECH→Over 20 years in renewable energy with a complete product system — modules, storage, mounting and solar appliances from one manufacturer.
An in-house chain from cells to modules to systems keeps quality controlled and lead times reliable.
One supplier for generation, storage, mounting, lighting, pumping, ventilation and O&M robotics.
OEM/ODM customisation plus technical and documentation support tailored to your market.
This gallery illustrates application types. Locations, commissioning dates, capacities and measured results are not verified project records. Ask for a documented reference matched to your project; photographs alone do not establish these facts.
Straight answers for buyers, EPCs and distributors evaluating COTECH as a supplier.
Ask our team→COTECH Solar is a vertically integrated manufacturer founded in 2005. It produces solar modules (N-type TOPCon, HJT and back-contact up to 730 W), LiFePO4 energy storage from balcony kits to 5 MWh containers, PV mounting systems, mobile solar power, cleaning robots, solar water pumps, lighting and ventilation.
Yes. COTECH Solar ranks among the Top-50 global PV module suppliers, with 20 GW of cumulative module shipments delivered to around 800 clients in more than 120 countries since 2005.
COTECH dual-glass modules carry a 15-year product warranty and a 30-year linear power warranty, guaranteeing at least 87% of initial output at year 30. Storage systems carry up to 10 years, mounting up to 25 years.
Yes. COTECH offers OEM/ODM services covering custom power classes, dimensions and branding, backed by two production bases with more than 1.2 GW of annual module capacity and ISO 9001 / ISO 14001 certified management.
Company milestones, product releases and solar industry updates.
The US cell manufacturer is building a $600 million South Carolina facility expected to open in late 2027 and ramp in 2028.
SECI published a competitive-bidding request for 700 MW of interstate-transmission-connected solar PV projects on September 3.
The Yaqara project framework targets 142 MW of solar and 240 MWh of storage across two stages for Energy Fiji.
Send your application, country and target quantity — our sales engineers reply within one working day with matching products and documentation.
