--- title: "ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660W - Solar Panel Comparison | ComparePV" description: "Compare ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-660w" updated: 2026-09-11 --- # ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660W Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [ZNShine ZXM8-TP132-655](https://comparepv.com/panel/znshine-zxm8-tp132-655) | [ZNShine ZXM8-TP132-660W](https://comparepv.com/panel/znshine-zxm8-tp132-660w) | | Manufacturer | ZNShine | ZNShine | | Power | 655 Wp | 660 Wp | | Efficiency | 21.09 % | 21.25 % | | Technology | PERC | PERC | ## Every compared parameter | Parameter | 655 | 660W | | --- | --- | --- | | Rated power | 655 Wp | 660 Wp | | Module efficiency | 21.09 % | 21.25 % | | Power density | 210.9 Wp/m² | 212.5 Wp/m² | | Open-circuit voltage | 45.40 V | 45.60 V | | Voltage at max power | 37.60 V | 37.80 V | | Short-circuit current | 18.47 A | 18.52 A | | Current at max power | 17.43 A | 17.47 A | | Temperature coefficient | -0.340 %/°C | -0.340 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 33.5 kg | 33.5 kg | | Weight per kWp | 51.1 kg/kWp | 50.8 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.55 %/yr | 0.55 %/yr | | Cell technology | PERC | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | No | No | ## Thirty-year yield Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.340 %/°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, 655:** 21,464 kWh - **Cumulative output, 660W:** 21,628 kWh - **Gap:** 164 kWh ## Output when hot | Condition | Cell temperature | 655 | 660W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 655 W | 660 W | 100.0% of rated power | | Cool, bright day | 40 °C | 622 W | 626 W | 94.9% of rated power | | Typical summer roof | 55 °C | 588 W | 593 W | 89.8% of rated power | | Hot roof | 70 °C | 555 W | 559 W | 84.7% of rated power | ## Against the whole database | Measure | 655 | 660W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #9,519 | #8,904 | 14,005 | 660W leads by 615 places | | Power density | #9,459 | #8,959 | 14,005 | 660W leads by 500 places | | Heat behaviour | #8,778 | #8,778 | 14,005 | Tied - the same position in the database | | Weight | #4,503 | #4,172 | 14,005 | 660W leads by 331 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #4,439 | #4,111 | 14,005 | 660W leads by 328 places | ## Questions ### Which panel is better: ZNShine ZXM8-TP132-655 or ZNShine ZXM8-TP132-660W? According to our database: **ZNShine ZXM8-TP132-**660 W**** has higher module efficiency (**21.25%** vs **21.09%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of ZNShine ZXM8-TP132-655 and ZNShine ZXM8-TP132-660W? **ZNShine ZXM8-TP132-655** has a module efficiency of **21.09%**, while **ZNShine ZXM8-TP132-**660 W**** is **21.25%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does ZNShine ZXM8-TP132-655 use vs ZNShine ZXM8-TP132-660W? **ZNShine ZXM8-TP132-655** uses **PERC** cells; **ZNShine ZXM8-TP132-**660 W**** uses **PERC**. 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 ZXM8-TP132-655 and ZNShine ZXM8-TP132-660W? **ZNShine ZXM8-TP132-655** has a **25 years** power warranty; **ZNShine ZXM8-TP132-**660 W**** 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 ZXM8-TP132-655 vs ZNShine ZXM8-TP132-670W](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-670w) - 3 differences, the largest is module efficiency - [ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-670](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-670) - 3 differences, the largest is module efficiency - [ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-665W](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-665w) - 3 differences, the largest is module efficiency - [ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-665](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-665) - 3 differences, the largest is module efficiency - [ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-660) - The same specification on paper - [ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-655W](https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-655w) - The same specification on paper --- Source: https://comparepv.com/compare/znshine-zxm8-tp132-655/znshine-zxm8-tp132-660w 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.