ZNShine ZXM7-UH156-620 vs ZNShine ZXM7-UH156-610
VS
The verdict
620 leads on the differences that matter
The largest is module efficiency: 0.36 pp more efficient. 16 of 19 comparable parameters are identical.
See all 3 differencesHow alike are they
16
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
3 of 19 parameters
What actually differs
Parameter
620
610
Difference
Module efficiency
22.18 %
21.82 %
0.36 pp more efficient
Power density
221.8 Wp/m²
218.2 Wp/m²
3.6 Wp/m² higher
Rated power
620 Wp
610 Wp
10 W more power
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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
620
20,479 kWh
610
20,148 kWh
Lifetime gap
331 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
620
610
Standard test conditions
25 °C
100.0% of rated power
620 W
610 W
Cool, bright day
40 °C
95.5% of rated power
592 W
583 W
Typical summer roof
55 °C
91.0% of rated power
564 W
555 W
Hot roof
70 °C
86.5% of rated power
536 W
528 W
03
Full specification
Parameter
620
610
Difference
Power and efficiency
Rated power
620 Wp
610 Wp
+10 W for 620
Module efficiency
22.18 %
21.82 %
+0.36 pp for 620
Power density
221.8 Wp/m²
218.2 Wp/m²
+3.6 Wp/m² for 620
Open-circuit voltage
55.60 V
55.20 V
Effectively the same
Voltage at max power
46.00 V
45.60 V
Effectively the same
Short-circuit current
14.25 A
14.13 A
Effectively the same
Current at max power
13.48 A
13.38 A
Effectively the same
Temperature
Temperature coefficient
-0.300 %/°C
-0.300 %/°C
Same
Mechanical
Dimensions
2465x1134x35 mm
2465x1134x35 mm
Same
Module area
2.795 m²
2.795 m²
Same
Weight
30.0 kg
30.0 kg
Same
Weight per kWp
48.4 kg/kWp
49.2 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
0.50 %/yr
Same
Technology
Cell technology
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
156
156
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#5,930
vs
#7,000
620 leads by 1,070 places
Power density
#5,869
vs
#6,971
620 leads by 1,102 places
Heat behaviour
#6,093
vs
#6,093
Tied - the same position in the database
Weight
#2,244
vs
#2,785
620 leads by 541 places
Warranty
#9,798
vs
#9,798
Tied - the same position in the database
Overall
#4,404
vs
#5,135
620 leads by 731 places
05
Open the full database
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14 differences, the largest is temperature coefficient
06
Written summary
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07
Questions about this pairing
Which panel is better: ZNShine ZXM7-UH156-620 or ZNShine ZXM7-UH156-610?
According to our database: ZNShine ZXM7-UH156-620 has higher module efficiency (22.18% vs 21.82%). 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 ZXM7-UH156-610?
ZNShine ZXM7-UH156-620 has a module efficiency of 22.18%, while ZNShine ZXM7-UH156-610 is 21.82%. 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 ZXM7-UH156-610?
ZNShine ZXM7-UH156-620 uses TOPCon cells; ZNShine ZXM7-UH156-610 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-UH156-620 and ZNShine ZXM7-UH156-610?
ZNShine ZXM7-UH156-620 has a 25 years power warranty; ZNShine ZXM7-UH156-610 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.