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PERC, TOPCon, HJT and Lightweight Modules

Photovoltaic Module

Photovoltaic modules for distributed rooftops, commercial systems and utility-scale projects. Available configurations include PERC, TOPCon and HJT cell technologies, monofacial or bifacial designs, double-glass construction and lightweight options.

410–720 W PERC / TOPCon / HJT Monofacial / Bifacial Lightweight Options
Request Module Specifications  →

Power, dimensions, glass structure, frame, electrical data and warranty vary by module series. Final specifications are confirmed in the datasheet for the selected model.

Photovoltaic module product portfolio

The product portfolio covers PERC, TOPCon and HJT modules for distributed rooftops, commercial systems and utility-scale projects, with monofacial, bifacial, dual-glass, lightweight and customized configurations.

PERC SERIES

PERC Modules

Product formats 182 mm, 144 half-cell modules and 210 mm, 132 half-cell modules
Power range 540–555 W for 182 mm modules and 655–670 W for 210 mm modules
Configuration Monofacial or bifacial, with single-glass and dual-glass options
N-TYPE SERIES

TOPCon Modules

Product format 182 mm, 144 half-cell, 16BB dual-glass module
Power range 570–590 W
Performance Up to 80% bifaciality, 1% first-year degradation and 0.4% annual degradation
HIGH-POWER SERIES

HJT Modules

Product format 210 mm, 132 half-cell, 18BB dual-glass module
Power range 705–720 W
Performance High conversion efficiency, improved temperature response and strong low-light performance
Lightweight and application products extend the portfolio. The range also includes 410–430 W lightweight glass modules and 100 W, 200 W, 350 W and 400 W SAT flexible products.
MODULE ANATOMY

Construction for reliable power generation

Photovoltaic Module Anatomy Low-iron solar glass Half-cell circuit Encapsulant and rear layer Frame and junction box
01

Front glass

Tempered, coated low-iron solar glass is specified at 3.2 mm, 2.0 mm or 1.6 mm according to the module series.

02

Cell circuit

Half-cell layouts use PERC, TOPCon or HJT cells with 10BB, 12BB, 16BB or 18BB interconnection according to the model.

03

Encapsulation & rear layer

Single-glass modules use a rear backsheet, while dual-glass modules use rear glass to support bifacial generation and long-term reliability.

04

Frame & junction box

Aluminium and glass-fibre-reinforced polyurethane frame options support different weight, transport and low-carbon requirements.

Construction is series-specific. Confirm the glass thickness, cell format, dimensions, weight, frame and mechanical load for the selected model.

Compare the module technologies

PERC, TOPCon and HJT modules cover different power, bifaciality, degradation and project requirements. Lightweight products extend the range for rooftops and special applications.

01 / PERC
P

PERC modules

The 182 mm series delivers 540–555 W, while the 210 mm dual-glass series delivers 655–670 W.

  • 182 mm and 210 mm formats
  • Monofacial and bifacial options
  • Single-glass and dual-glass construction
02 / TOPCon
N

N-type TOPCon modules

The 182 mm, 144 half-cell series covers 570–590 W with 16BB interconnection and dual-glass construction.

  • Up to 80% bifaciality
  • 1% first-year degradation
  • 0.4% annual degradation
03 / HJT
HJT

HJT modules

The 210 mm, 132 half-cell series covers 705–720 W with 18BB interconnection and dual-glass construction.

  • Improved temperature performance
  • Strong low-light response
  • High bifacial output potential
Lightweight module options The 182 mm lightweight series covers 410–430 W with 28 mm or 30 mm frame profiles.
Application-specific products SAT flexible modules cover 100–400 W formats for balconies, rooftops, vehicles and curved surfaces.

Performance across power, yield and lifecycle

Module selection combines rated power with conversion efficiency, bifacial gain, temperature response and long-term degradation across the PERC, TOPCon and HJT product series.

STEP 01
W

Match power to module format

Power ranges cover 410–430 W lightweight modules, 540–555 W 182 PERC, 570–590 W 182 TOPCon, 655–670 W 210 PERC and 705–720 W 210 HJT.

STEP 02
EFF

Improve conversion efficiency

The 210 PERC series reaches up to 21.57% module efficiency, while TOPCon and HJT options increase power and energy-yield potential.

STEP 03
BI

Use rear-side generation

Bifaciality increases from approximately 70% for PERC to 80% for TOPCon. Rear-side gain depends on surface reflectivity and installation conditions.

STEP 04
LIFE

Reduce long-term degradation

TOPCon products are specified at 1% first-year degradation and 0.4% annual degradation, below the referenced PERC degradation rates.

Module format 108, 132 or 144 half-cell layout
System configuration Monofacial or bifacial, single-glass or dual-glass
Mechanical design 5400 Pa front load and 2400 Pa rear load
Project economics BoS, LCOE, transport and land-use impact
Specification note: performance values differ by product series. Confirm the exact power class, dimensions, efficiency, bifaciality and warranty for the selected model.

Product specifications by series

Request Model Datasheet
Cell technology PERC / N-type TOPCon / HJT
Rated power range 410–720 W
Cell size 182 mm / 210 mm
Cell layout 108 / 132 / 144 half-cell
Busbar design 10BB / 12BB / 16BB / 18BB
Module format Monofacial / bifacial
182 PERC 2278 × 1134 × 35/30 mm; 27/32 kg
210 PERC 2384 × 1303 × 33 mm; 38.5 kg
182 TOPCon 2278 × 1134 × 30 mm; 32 kg
210 HJT 2384 × 1303 × 33 mm; 32 kg
182 lightweight 1722 × 1134 × 28 mm; 21 kg
Composite frame 1722 × 1134 × 30 mm; 21 kg
182 PERC 540–555 W
210 PERC 655–670 W
182 TOPCon 570–590 W
210 HJT 705–720 W
PERC bifaciality 70% ± 10%
TOPCon bifaciality Up to 80%
Mechanical load 5400 Pa front / 2400 Pa rear
PERC first-year degradation 2%
PERC annual degradation 0.55% single-glass / 0.45% dual-glass
TOPCon first-year degradation 1%
TOPCon annual degradation 0.4%
Fire classification Class A dual-glass / Class C single-glass
210 PERC per 40-foot HQ 561 modules
210 PERC container capacity 375,870 W
28 mm lightweight frame 39 modules per pallet
28 mm frame per 40-foot HQ 1,014 modules
35 mm reference frame 31 per pallet / 806 per 40-foot HQ
Transport cost reduction 25% per 1 GW at the 410 W reference

Match the module to the project platform

01 / DISTRIBUTED ROOFTOP

Residential portfolios

Compact module formats, appearance options and manageable unit weight for repeat rooftop programs.

02 / COMMERCIAL & INDUSTRIAL

C&I rooftops

High-efficiency modules configured around roof area, load capacity, fire rules and inverter design.

03 / GROUND MOUNT

Utility arrays

High-power or bifacial options evaluated with tracker geometry, albedo, wind load and logistics.

04 / SPECIAL ENVIRONMENT

Climate-specific projects

Select tested construction for coastal exposure, high snow, desert dust, high temperature or other declared conditions.

Flexible customization. Flexible production scheduling.

PRODUCT PROGRAM Power class, format, appearance and cable option*
BRAND PACKAGE Label, carton, manual and document set*
DELIVERY PLAN Pallet plan, container loading and staged shipment*

Partner With Cassky for Reliable Clean Energy Solutions

Cassky specializes in high-performance heat pump systems and solar energy solutions, providing reliable products and customized services for global distributors, engineering companies, contractors, and brand partners.

1. Distributors & Dealers Build long-term partnerships with reliable heat pump and solar energy products, competitive supply capability, and professional support.
2. Engineering Companies & Contractors Get technical assistance, project solutions, and product recommendations for residential and commercial energy projects.
3. OEM / Brand Partners Access customized manufacturing, private label solutions, and flexible cooperation options for your market.

Request a Quote

Tell us about your product or project requirements. Our team will contact you to discuss the next step.