Solar panels and panel brands

Do 650 W and 700 W Solar Panels Go on House Roofs?

Published September 23, 2026 · By the SolarPanelX editors · Updated October 23, 2026 · See individual checks and dates below

Summary

The large-format models compared here are marketed for commercial or utility use; wattage alone does not determine whether a module is suitable for a particular house. Qcells' North American site lists its residential modules at up to 440 W, with 645 W and 680 W models in the commercial and utility sections. Trina's Vertex N (TSM-NEG21C.20), which runs to 725 W, sits in Trina's utility module list and measures 2,384 × 1,303 mm at 38.3 kg.

Four panels side by side

Two residential modules next to a 650 W and a 725 W model, using the top class from each datasheet:

	Qcells Q.TRON BLK M-G2+	REC Alpha Pure-RX	JinkoSolar Tiger Neo (78HL4-BDV)	Trina Vertex N (NEG21C.20)
Max power	440 W	470 W	650 W	725 W
Size	1,722 × 1,134 mm	1,728 × 1,205 mm	2,465 × 1,134 mm	2,384 × 1,303 mm
Area	about 1.95 m²	2.08 m²	about 2.80 m²	about 3.11 m²
Weight	21.2 kg	22.7 kg	34.0 kg	38.3 kg
Efficiency	22.5%	22.6%	23.25%	23.3%
Current at max power	13.20 A	8.49 A	13.45 A	17.47 A
Max system voltage	1,000 V	1,000 V	1,500 V (IEC)	1,500 V

Efficiency differs by less than one point, and every module delivers 225 to 233 W per square meter. The 725 W panel makes 1.65 times the power of the 440 W one from about 1.6 times the area, and at 38.3 kg it weighs close to twice as much.

Current does not follow wattage. The 470 W REC runs at 8.49 A, below the 13 A of the Qcells and Jinko panels, while the Trina reaches 17.47 A. Qcells names "rooftop arrays on residential buildings" as the intended use; Trina's product page aims the Vertex N at utility-scale projects. The REC and Jinko datasheets state no intended use, and the Jinko sheet is dated 2024.

Sources

We have not tested these products. Specs, prices, stock and terms are as published on these pages on the date above and can change; check the manufacturer or retailer before you buy.

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