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ZXM7-UH156-620 vs ZXM8-TP132-670W 5 of 19 identical Swap Change panels

ZNShine ZXM7-UH156-620 vs ZNShine ZXM8-TP132-670W

ZNShine ZXM7-UH156-620
ZXM7-UH156-620
620 Wp 22.18 % TOPCon
Open panel page Datasheet PDF
VS
ZNShine ZXM8-TP132-670W
ZXM8-TP132-670W
670 Wp 21.57 % PERC
Open panel page Datasheet PDF
The verdict

ZXM7-UH156-620 leads on the differences that matter

The largest is temperature coefficient: 0.040 %/°C better in heat. 5 of 19 comparable parameters are identical.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs
01

What actually differs

14 of 19 parameters
Parameter ZXM7-UH156-620 ZXM8-TP132-670W Difference
Temperature coefficient -0.300 %/°C -0.340 %/°C 0.040 %/°C better in heat
Rated power 620 Wp 670 Wp 50 W more power
Module efficiency 22.18 % 21.57 % 0.61 pp more efficient
Weight 30.0 kg 33.5 kg 3.5 kg lighter
Power density 221.8 Wp/m² 215.7 Wp/m² 6.1 Wp/m² higher
Open-circuit voltage 55.60 V 46.00 V 9.60 V apart
Short-circuit current 14.25 A 18.62 A 4.37 A apart
Module area 2.795 m² 3.106 m² 0.311 m² apart
Cell technology TOPCon PERC TOPCon vs PERC
Annual degradation 0.50 %/yr 0.55 %/yr 0.05 %/yr slower
Voltage at max power 46.00 V 38.20 V 7.80 V apart
Current at max power 13.48 A 17.54 A 4.06 A apart
Cell count 156 132 24 cells apart
Dimensions 2465x1134x35 mm 2384x1303x35 mm 2465x1134x35 mm vs 2384x1303x35 mm
02

What it means on a roof

Thirty years of production
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
ZXM7-UH156-620
20,479 kWh
ZXM8-TP132-670W
21,955 kWh
Lifetime gap
1,476 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario ZXM7-UH156-620 ZXM8-TP132-670W
Standard test conditions 25 °C 100.0% of rated power 620 W 670 W
Cool, bright day 40 °C 94.9% of rated power 592 W 636 W
Typical summer roof 55 °C 89.8% of rated power 564 W 602 W
Hot roof 70 °C 84.7% of rated power 536 W 567 W
03

Full specification

Parameter ZXM7-UH156-620 ZXM8-TP132-670W Difference
Power and efficiency
Rated power 620 Wp 670 Wp +50 W for ZXM8-TP132-670W
Module efficiency 22.18 % 21.57 % +0.61 pp for ZXM7-UH156-620
Power density 221.8 Wp/m² 215.7 Wp/m² +6.1 Wp/m² for ZXM7-UH156-620
Open-circuit voltage 55.60 V 46.00 V 9.60 V apart
Voltage at max power 46.00 V 38.20 V 7.80 V apart
Short-circuit current 14.25 A 18.62 A 4.37 A apart
Current at max power 13.48 A 17.54 A 4.06 A apart
Temperature
Temperature coefficient -0.300 %/°C -0.340 %/°C +0.040 %/°C for ZXM7-UH156-620
Mechanical
Dimensions 2465x1134x35 mm 2384x1303x35 mm 2465x1134x35 mm vs 2384x1303x35 mm
Module area 2.795 m² 3.106 m² 0.311 m² apart
Weight 30.0 kg 33.5 kg -3.5 kg for ZXM7-UH156-620
Weight per kWp 48.4 kg/kWp 50.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.50 %/yr 0.55 %/yr -0.05 %/yr for ZXM7-UH156-620
Technology
Cell technology TOPCon PERC TOPCon vs PERC
Cell type Monocrystalline Monocrystalline Same
Cell count 156 132 24 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#5,930 vs #7,734
ZXM7-UH156-620 leads by 1,804 places
Power density
#5,869 vs #7,644
ZXM7-UH156-620 leads by 1,775 places
Heat behaviour
#6,093 vs #8,778
ZXM7-UH156-620 leads by 2,685 places
Weight
#2,244 vs #3,317
ZXM7-UH156-620 leads by 1,073 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#4,404 vs #3,392
ZXM8-TP132-670W leads by 1,012 places
05

More useful comparisons

Open the full database
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-630
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-625
The same specification on paper
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-615
The same specification on paper
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-610
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-605
3 differences, the largest is module efficiency
Same series, other bin
ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-600
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: ZNShine ZXM7-UH156-620 or ZNShine ZXM8-TP132-670W?
According to our database: ZNShine ZXM7-UH156-620 has higher module efficiency (22.18% vs 21.57%); ZNShine ZXM7-UH156-620 tolerates heat better (temp coeff -0.300%/°C vs -0.340%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of ZNShine ZXM7-UH156-620 and ZNShine ZXM8-TP132-670W?
ZNShine ZXM7-UH156-620 has a module efficiency of 22.18%, while ZNShine ZXM8-TP132-670 W is 21.57%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does ZNShine ZXM7-UH156-620 use vs ZNShine ZXM8-TP132-670W?
ZNShine ZXM7-UH156-620 uses TOPCon cells; ZNShine ZXM8-TP132-670 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 ZXM7-UH156-620 and ZNShine ZXM8-TP132-670W?
ZNShine ZXM7-UH156-620 has a 25 years power warranty; ZNShine ZXM8-TP132-670 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.

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.