--- title: "ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-625 - Solar Panel Comparison | ComparePV" description: "Compare ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-625 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-uh156-615/znshine-zxm7-uh156-625" updated: 2026-09-11 --- # ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-625 625 leads on the differences that matter The largest is module efficiency: 0.36 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [ZNShine ZXM7-UH156-615](https://comparepv.com/panel/znshine-zxm7-uh156-615) | [ZNShine ZXM7-UH156-625](https://comparepv.com/panel/znshine-zxm7-uh156-625) | | Manufacturer | ZNShine | ZNShine | | Power | 615 Wp | 625 Wp | | Efficiency | 22.00 % | 22.36 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 615 | 625 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.00 % | 22.36 % | +0.36 pp for 625 | | Power density | 220.0 Wp/m² | 223.6 Wp/m² | +3.6 Wp/m² for 625 | | Rated power | 615 Wp | 625 Wp | +10 W for 625 | ## Every compared parameter | Parameter | 615 | 625 | | --- | --- | --- | | Rated power | 615 Wp | 625 Wp | | Module efficiency | 22.00 % | 22.36 % | | Power density | 220.0 Wp/m² | 223.6 Wp/m² | | Open-circuit voltage | 55.40 V | 55.80 V | | Voltage at max power | 45.80 V | 46.20 V | | Short-circuit current | 14.19 A | 14.31 A | | Current at max power | 13.43 A | 13.53 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 | 48.8 kg/kWp | 48.0 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, 615:** 20,313 kWh - **Cumulative output, 625:** 20,644 kWh - **Gap:** 331 kWh ## Output when hot | Condition | Cell temperature | 615 | 625 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 615 W | 625 W | 100.0% of rated power | | Cool, bright day | 40 °C | 587 W | 597 W | 95.5% of rated power | | Typical summer roof | 55 °C | 560 W | 569 W | 91.0% of rated power | | Hot roof | 70 °C | 532 W | 541 W | 86.5% of rated power | ## Against the whole database | Measure | 615 | 625 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,517 | #5,007 | 14,005 | 625 leads by 1,510 places | | Power density | #6,655 | #4,955 | 14,005 | 625 leads by 1,700 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #2,460 | #2,004 | 14,005 | 625 leads by 456 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #4,792 | #4,035 | 14,005 | 625 leads by 757 places | ## Questions ### Which panel is better: ZNShine ZXM7-UH156-615 or ZNShine ZXM7-UH156-625? According to our database: **ZNShine ZXM7-UH156-625** has higher module efficiency (**22.36%** vs **22.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of ZNShine ZXM7-UH156-615 and ZNShine ZXM7-UH156-625? **ZNShine ZXM7-UH156-615** has a module efficiency of **22.00%**, while **ZNShine ZXM7-UH156-625** is **22.36%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does ZNShine ZXM7-UH156-615 use vs ZNShine ZXM7-UH156-625? **ZNShine ZXM7-UH156-615** uses **TOPCon** cells; **ZNShine ZXM7-UH156-625** 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-UH156-615 and ZNShine ZXM7-UH156-625? **ZNShine ZXM7-UH156-615** has a **25 years** power warranty; **ZNShine ZXM7-UH156-625** 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-UH156-615 vs ZNShine ZXM7-UH156-630](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-630) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-620](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-620) - The same specification on paper - [ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-610](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-610) - The same specification on paper - [ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-605](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-605) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-615 vs ZNShine ZXM7-UH156-600](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-600) - 3 differences, the largest is module efficiency - [ZNShine ZXM7-UH156-615 vs ZNShine ZXM8-TP132-670W](https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm8-tp132-670w) - 14 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/znshine-zxm7-uh156-615/znshine-zxm7-uh156-625 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.