--- title: "ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-630 - Solar Panel Comparison | ComparePV" description: "Compare ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-630 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-630" updated: 2026-09-11 --- # ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-630 630 leads on the differences that matter The largest is module efficiency: 1.08 pp more efficient. 13 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [ZNShine ZXM7-UH156-600](https://comparepv.com/panel/znshine-zxm7-uh156-600) | [ZNShine ZXM7-UH156-630](https://comparepv.com/panel/znshine-zxm7-uh156-630) | | Manufacturer | ZNShine | ZNShine | | Power | 600 Wp | 630 Wp | | Efficiency | 21.46 % | 22.54 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 600 | 630 | Difference | | --- | --- | --- | --- | | Module efficiency | 21.46 % | 22.54 % | +1.08 pp for 630 | | Power density | 214.6 Wp/m² | 225.4 Wp/m² | +10.7 Wp/m² for 630 | | Rated power | 600 Wp | 630 Wp | +30 W for 630 | | Weight per kWp | 50.0 kg/kWp | 47.6 kg/kWp | -2.4 kg/kWp for 630 | | Open-circuit voltage | 54.80 V | 56.00 V | 1.20 V apart | | Voltage at max power | 45.20 V | 46.40 V | 1.20 V apart | ## Every compared parameter | Parameter | 600 | 630 | | --- | --- | --- | | Rated power | 600 Wp | 630 Wp | | Module efficiency | 21.46 % | 22.54 % | | Power density | 214.6 Wp/m² | 225.4 Wp/m² | | Open-circuit voltage | 54.80 V | 56.00 V | | Voltage at max power | 45.20 V | 46.40 V | | Short-circuit current | 14.01 A | 14.37 A | | Current at max power | 13.28 A | 13.58 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2465x1134x35 mm | 2465x1134x35 mm | | Module area | 2.795 m² | 2.795 m² | | Weight | 30.0 kg | 30.0 kg | | Weight per kWp | 50.0 kg/kWp | 47.6 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.50 %/yr | 0.50 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 156 | 156 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, 600:** 19,818 kWh - **Cumulative output, 630:** 20,809 kWh - **Gap:** 991 kWh ## Output when hot | Condition | Cell temperature | 600 | 630 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 600 W | 630 W | 100.0% of rated power | | Cool, bright day | 40 °C | 573 W | 602 W | 95.5% of rated power | | Typical summer roof | 55 °C | 546 W | 573 W | 91.0% of rated power | | Hot roof | 70 °C | 519 W | 545 W | 86.5% of rated power | ## Against the whole database | Measure | 600 | 630 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #8,250 | #3,920 | 14,005 | 630 leads by 4,330 places | | Power density | #8,200 | #3,907 | 14,005 | 630 leads by 4,293 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #3,317 | #1,771 | 14,005 | 630 leads by 1,546 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #5,899 | #3,639 | 14,005 | 630 leads by 2,260 places | ## Questions ### Which panel is better: ZNShine ZXM7-UH156-600 or ZNShine ZXM7-UH156-630? According to our database: **ZNShine ZXM7-UH156-630** has higher module efficiency (**22.54%** vs **21.46%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of ZNShine ZXM7-UH156-600 and ZNShine ZXM7-UH156-630? **ZNShine ZXM7-UH156-600** has a module efficiency of **21.46%**, while **ZNShine ZXM7-UH156-630** is **22.54%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does ZNShine ZXM7-UH156-600 use vs ZNShine ZXM7-UH156-630? **ZNShine ZXM7-UH156-600** uses **TOPCon** cells; **ZNShine ZXM7-UH156-630** uses **TOPCon**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on ZNShine ZXM7-UH156-600 and ZNShine ZXM7-UH156-630? **ZNShine ZXM7-UH156-600** has a **25 years** power warranty; **ZNShine ZXM7-UH156-630** has a **25 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ## Related comparisons - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-625](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-625) - 6 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-620](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-620) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-615](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-615) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-610](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-610) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM7-UH156-605](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-605) - The same specification on paper - [ZNShine ZXM7-UH156-600 vs ZNShine ZXM8-TP132-670W](https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm8-tp132-670w) - 12 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/znshine-zxm7-uh156-600/znshine-zxm7-uh156-630 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.