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655 vs 660 19 of 19 identical Swap Change panels

ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660

ZNShine ZXM8-TP132-655
ZXM8-TP132-655
655 Wp 21.09 % PERC
VS
ZNShine ZXM8-TP132-660
ZXM8-TP132-660
660 Wp 21.25 % PERC
The verdict

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.

How alike are they
19 of 19 comparable
parameters are identical
identical differs
01

What actually differs

0 of 19 parameters

Every comparable parameter agrees. The full specification is below.

02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, 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.
655
21,228 kWh
660
21,390 kWh
Lifetime gap
162 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 655 660
Standard test conditions 25 °C 100.0% of rated power 655 W 660 W
Cool, bright day 40 °C 94.9% of rated power 622 W 626 W
Typical summer roof 55 °C 89.8% of rated power 588 W 593 W
Hot roof 70 °C 84.7% of rated power 555 W 559 W
03

Full specification

Parameter 655 660 Difference
Power and efficiency
Rated power 655 Wp 660 Wp Effectively the same
Module efficiency 21.09 % 21.25 % Effectively the same
Power density 210.9 Wp/m² 212.5 Wp/m² Effectively the same
Open-circuit voltage 45.40 V 45.60 V Effectively the same
Voltage at max power 37.60 V 37.80 V Effectively the same
Short-circuit current 18.47 A 18.52 A Effectively the same
Current at max power 17.43 A 17.47 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 2384x1303x35 mm 2384x1303x35 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 33.5 kg 33.5 kg Same
Weight per kWp 51.1 kg/kWp 50.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#9,519 vs #8,904
660 leads by 615 places
Power density
#9,459 vs #8,959
660 leads by 500 places
Heat behaviour
#8,778 vs #8,778
Tied - the same position in the database
Weight
#4,503 vs #4,172
660 leads by 331 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#4,439 vs #4,111
660 leads by 328 places
05

More useful comparisons

Open the full database
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-670W
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-670
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-665W
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-665
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-660W
The same specification on paper
Same series, other bin
ZNShine ZXM8-TP132-655 vs ZNShine ZXM8-TP132-655W
The same specification on paper
06

Written summary

Checking cache...
07

Questions about this pairing

Which panel is better: ZNShine ZXM8-TP132-655 or ZNShine ZXM8-TP132-660?
According to our database: ZNShine ZXM8-TP132-660 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-TP132-660?
ZNShine ZXM8-TP132-655 has a module efficiency of 21.09%, while ZNShine ZXM8-TP132-660 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-TP132-660?
ZNShine ZXM8-TP132-655 uses PERC cells; ZNShine ZXM8-TP132-660 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-TP132-660?
ZNShine ZXM8-TP132-655 has a 25 years power warranty; ZNShine ZXM8-TP132-660 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.

Shop prices: See 12 ZNShine offers

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.