Tongwei's 490 W Home Solar Panel Targets Small Roofs
Chengdu – – October 13, 2026 -- Tongwei Solar has launched the TNC 2.0 FULLX G12R-48, a 48-cell residential solar module rated at up to 490 W and 24.5% efficiency, built to squeeze more power from limited roof space.
The panel measures 1,762 × 1,134 × 30 mm and comes in two versions: Full Black and Black Frame. According to Zander Yuan, Director of Product & Technology at Tongwei Solar, the 490 W rating is around 30 W more than conventional TOPCon modules of a comparable format. Homeowners can therefore install more capacity without adding modules.
Tongwei's tests show 3.3% more energy per watt than copper-plated BC modules
Under Tongwei's own test conditions, the module generated an average of 3.3% more energy per watt than copper-plated back-contact (BC) modules. The company credits lower leakage current and stronger low-light performance.