TECHNOLOGY / MODEL-SPECIFIC REVIEW

The Power of Back Contact.

Back-contact cell architectures place electrical contacts on the rear of the cell. The active front can therefore avoid visible metallic collecting fingers and busbars.

BC / FRONT

BC concept: subtle cell boundaries can remain. No visible front-side metallic collecting grid is depicted.

TOPCon / EXPLANATORY KEY

Front-contact implementation
Varies by model

Not a universal product appearance

TOPCon describes a contact technology, not one universal appearance. Review the exact module construction instead of assuming all TOPCon modules look identical.

Clean Front Does Not Mean Seamless Glass.

Cell outlines, module divisions, frame edges and optical reflections can remain visible. These must not be confused with metallic front-side fingers or busbars.

Compare Specific Models.

Rear-contact designs can reduce front-side metal shading. Efficiency, output, thermal behavior and application suitability still depend on the exact model and test conditions; a technology label alone does not establish superiority.

Manufacturer references: AIKO technology ↗ and LONGi official resources ↗. Technical comparisons must be checked against the exact linked datasheets.

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