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DE09R.08-425 vs DE09R-415 15 of 19 identical Swap Change panels

Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R-415

Trina Solar TSM-DE09R.08-425
TSM-DE09R.08-425
425 Wp 21.30 % PERC
Open panel page Datasheet PDF
VS
Trina Solar TSM-DE09R-415
TSM-DE09R-415
415 Wp 20.80 % PERC
Open panel page Datasheet PDF
The verdict

DE09R.08-425 leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 15 of 19 comparable parameters are identical.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs
01

What actually differs

4 of 19 parameters
Parameter DE09R.08-425 DE09R-415 Difference
Module efficiency 21.30 % 20.80 % 0.50 pp more efficient
Product warranty 15 yrs 12 yrs 3 yrs longer
Power density 212.7 Wp/m² 207.7 Wp/m² 5.0 Wp/m² higher
Rated power 425 Wp 415 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 (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
DE09R.08-425
13,774 kWh
DE09R-415
13,450 kWh
Lifetime gap
324 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DE09R.08-425 DE09R-415
Standard test conditions 25 °C 100.0% of rated power 425 W 415 W
Cool, bright day 40 °C 94.9% of rated power 403 W 394 W
Typical summer roof 55 °C 89.8% of rated power 382 W 373 W
Hot roof 70 °C 84.7% of rated power 360 W 352 W
03

Full specification

Parameter DE09R.08-425 DE09R-415 Difference
Power and efficiency
Rated power 425 Wp 415 Wp +10 W for DE09R.08-425
Module efficiency 21.30 % 20.80 % +0.50 pp for DE09R.08-425
Power density 212.7 Wp/m² 207.7 Wp/m² +5.0 Wp/m² for DE09R.08-425
Open-circuit voltage 50.20 V 50.00 V Effectively the same
Voltage at max power 42.20 V 41.70 V Effectively the same
Short-circuit current 10.61 A 10.55 A Effectively the same
Current at max power 10.08 A 9.94 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 21.8 kg 21.8 kg Same
Weight per kWp 51.3 kg/kWp 52.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 12 yrs +3 yrs for DE09R.08-425
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 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#8,519 vs #10,457
DE09R.08-425 leads by 1,938 places
Power density
#8,733 vs #10,546
DE09R.08-425 leads by 1,813 places
Heat behaviour
#8,778 vs #8,778
Tied - the same position in the database
Weight
#4,677 vs #6,144
DE09R.08-425 leads by 1,467 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#10,872 vs #11,736
DE09R.08-425 leads by 864 places
05

More useful comparisons

Open the full database
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R-435
4 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R.08-435
3 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R-430
2 differences, the largest is product warranty
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R.08-430
One difference: module efficiency
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R-425
One difference: product warranty
Same series, other bin
Trina Solar TSM-DE09R.08-425 vs Trina Solar TSM-DE09R.08-420
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-DE09R.08-425 or Trina Solar TSM-DE09R-415?
According to our database: Trina Solar TSM-DE09R.08-425 has higher module efficiency (21.30% vs 20.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Trina Solar TSM-DE09R.08-425 and Trina Solar TSM-DE09R-415?
Trina Solar TSM-DE09R.08-425 has a module efficiency of 21.30%, while Trina Solar TSM-DE09R-415 is 20.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-DE09R.08-425 use vs Trina Solar TSM-DE09R-415?
Trina Solar TSM-DE09R.08-425 uses PERC cells; Trina Solar TSM-DE09R-415 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 Trina Solar TSM-DE09R.08-425 and Trina Solar TSM-DE09R-415?
Trina Solar TSM-DE09R.08-425 has a 25 years power warranty; Trina Solar TSM-DE09R-415 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 242 Trina Solar 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.