Solaria Solaria PowerXT-410C-BD vs Solaria Solaria PowerXT-400R-PM
VS
The verdict
400R-PM leads on the differences that matter
The largest is module efficiency: 1.30 pp more efficient. 3 of 16 comparable parameters are identical, with 3 more left out because at least one datasheet does not publish them.
See all 13 differencesHow alike are they
3
of 16 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
13 of 16 parameters
What actually differs
Parameter
410C-BD
400R-PM
Difference
Module efficiency
18.90 %
20.20 %
1.30 pp more efficient
Power density
189.5 Wp/m²
202.1 Wp/m²
12.6 Wp/m² higher
Performance warranty
25 yrs
30 yrs
5 yrs longer
Weight
29.0 kg
21.0 kg
8.0 kg lighter
Weight per kWp
70.7 kg/kWp
52.5 kg/kWp
18.2 kg/kWp lighter
Product warranty
25 yrs
30 yrs
5 yrs longer
Module area
2.164 m²
1.979 m²
0.185 m² apart
Open-circuit voltage
47.20 V
51.10 V
3.90 V apart
Short-circuit current
11.29 A
9.82 A
1.47 A apart
Rated power
410 Wp
400 Wp
10 W more power
Voltage at max power
38.50 V
42.40 V
3.90 V apart
Current at max power
10.66 A
9.41 A
1.25 A apart
Dimensions
1939x1116x40 mm
1644x1204x40 mm
1939x1116x40 mm vs 1644x1204x40 mm
02
What it means on a roof
Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.390 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
410C-BD
13,756 kWh
400R-PM
13,421 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
410C-BD
400R-PM
Standard test conditions
25 °C
100.0% of rated power
410 W
400 W
Cool, bright day
40 °C
94.2% of rated power
386 W
377 W
Typical summer roof
55 °C
88.3% of rated power
362 W
353 W
Hot roof
70 °C
82.5% of rated power
338 W
330 W
03
Full specification
Parameter
410C-BD
400R-PM
Difference
Power and efficiency
Rated power
410 Wp
400 Wp
+10 W for 410C-BD
Module efficiency
18.90 %
20.20 %
+1.30 pp for 400R-PM
Power density
189.5 Wp/m²
202.1 Wp/m²
+12.6 Wp/m² for 400R-PM
Open-circuit voltage
47.20 V
51.10 V
3.90 V apart
Voltage at max power
38.50 V
42.40 V
3.90 V apart
Short-circuit current
11.29 A
9.82 A
1.47 A apart
Current at max power
10.66 A
9.41 A
1.25 A apart
Temperature
Temperature coefficient
-0.390 %/°C
-0.390 %/°C
Same
Mechanical
Dimensions
1939x1116x40 mm
1644x1204x40 mm
1939x1116x40 mm vs 1644x1204x40 mm
Module area
2.164 m²
1.979 m²
0.185 m² apart
Weight
29.0 kg
21.0 kg
-8.0 kg for 400R-PM
Weight per kWp
70.7 kg/kWp
52.5 kg/kWp
-18.2 kg/kWp for 400R-PM
Warranty and degradation
Product warranty
25 yrs
30 yrs
+5 yrs for 400R-PM
Performance warranty
25 yrs
30 yrs
+5 yrs for 400R-PM
Annual degradation
-
0.48 %/yr
Not published by Solaria
Technology
Cell technology
-
-
Neither datasheet publishes this
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
-
-
Neither datasheet publishes this
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#12,996
vs
#11,956
400R-PM leads by 1,040 places
Power density
#12,969
vs
#11,987
400R-PM leads by 982 places
Heat behaviour
#13,579
vs
#13,579
Tied - the same position in the database
Weight
#13,437
vs
#6,043
400R-PM leads by 7,394 places
Warranty
#9,798
vs
#21
400R-PM leads by 9,777 places
Overall
#11,707
vs
#9,549
400R-PM leads by 2,158 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Solaria Solaria PowerXT-410C-BD or Solaria Solaria PowerXT-400R-PM?
According to our database: Solaria Solaria PowerXT-400R-PM has higher module efficiency (20.20% vs 18.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solaria Solaria PowerXT-410C-BD and Solaria Solaria PowerXT-400R-PM?
Solaria Solaria PowerXT-410C-BD has a module efficiency of 18.90%, while Solaria Solaria PowerXT-400R-PM is 20.20%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solaria Solaria PowerXT-410C-BD use vs Solaria Solaria PowerXT-400R-PM?
Solaria Solaria PowerXT-410C-BD uses Monocrystalline cells; Solaria Solaria PowerXT-400R-PM uses Monocrystalline. 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 Solaria Solaria PowerXT-410C-BD and Solaria Solaria PowerXT-400R-PM?
Solaria Solaria PowerXT-410C-BD has a 25 years power warranty; Solaria Solaria PowerXT-400R-PM has a 30 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 1 Solaria offer
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.