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690-BTC-BG vs 715-BTC-BG 14 of 19 identical Swap Change panels

Seraphim SRP-690-BTC-BG vs Seraphim SRP-715-BTC-BG

SRP-690-BTC-BG
690 Wp 22.21 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Seraphim SRP-715-BTC-BG
SRP-715-BTC-BG
715 Wp 23.02 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

715-BTC-BG leads on the differences that matter

The largest is module efficiency: 0.81 pp more efficient. 14 of 19 comparable parameters are identical.

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

What actually differs

5 of 19 parameters
Parameter 690-BTC-BG 715-BTC-BG Difference
Module efficiency 22.21 % 23.02 % 0.81 pp more efficient
Power density 222.1 Wp/m² 230.2 Wp/m² 8.0 Wp/m² higher
Rated power 690 Wp 715 Wp 25 W more power
Open-circuit voltage 48.10 V 49.10 V 1.00 V apart
Voltage at max power 40.13 V 41.13 V 1.00 V apart
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
690-BTC-BG
23,151 kWh
715-BTC-BG
23,990 kWh
Lifetime gap
839 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 690-BTC-BG 715-BTC-BG
Standard test conditions 25 °C 100.0% of rated power 690 W 715 W
Cool, bright day 40 °C 95.7% of rated power 660 W 684 W
Typical summer roof 55 °C 91.3% of rated power 630 W 653 W
Hot roof 70 °C 87.0% of rated power 600 W 622 W
03

Full specification

Parameter 690-BTC-BG 715-BTC-BG Difference
Power and efficiency
Rated power 690 Wp 715 Wp +25 W for 715-BTC-BG
Module efficiency 22.21 % 23.02 % +0.81 pp for 715-BTC-BG
Power density 222.1 Wp/m² 230.2 Wp/m² +8.0 Wp/m² for 715-BTC-BG
Open-circuit voltage 48.10 V 49.10 V 1.00 V apart
Voltage at max power 40.13 V 41.13 V 1.00 V apart
Short-circuit current 18.24 A 18.44 A Effectively the same
Current at max power 17.20 A 17.39 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.5 kg 38.5 kg Same
Weight per kWp 55.8 kg/kWp 53.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,754 vs #1,797
715-BTC-BG leads by 3,957 places
Power density
#5,734 vs #2,018
715-BTC-BG leads by 3,716 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#10,180 vs #7,897
715-BTC-BG leads by 2,283 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,286 vs #471
715-BTC-BG leads by 815 places
05

More useful comparisons

Open the full database
Same series, other bin
Seraphim SRP-690-BTC-BG vs Seraphim SRP-685-BTC-BG
The same specification on paper
Same series, other bin
Seraphim SRP-715-BTC-BG vs Seraphim SRP-720-BTC-BG
The same specification on paper
Same series, other bin
Seraphim SRP-715-BTC-BG vs Seraphim SRP-710-BTC-BG
The same specification on paper
Same series, other bin
Seraphim SRP-715-BTC-BG vs Seraphim SRP-705-BTC-BG
3 differences, the largest is module efficiency
Same series, other bin
Seraphim SRP-715-BTC-BG vs Seraphim SRP-700-BTC-BG
3 differences, the largest is module efficiency
Same series, other bin
Seraphim SRP-715-BTC-BG vs Seraphim SRP-695-BTC-BG
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Seraphim SRP-690-BTC-BG or Seraphim SRP-715-BTC-BG?
According to our database: Seraphim SRP-715-BTC-BG has higher module efficiency (23.02% vs 22.21%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Seraphim SRP-690-BTC-BG and Seraphim SRP-715-BTC-BG?
Seraphim SRP-690-BTC-BG has a module efficiency of 22.21%, while Seraphim SRP-715-BTC-BG is 23.02%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Seraphim SRP-690-BTC-BG use vs Seraphim SRP-715-BTC-BG?
Seraphim SRP-690-BTC-BG uses TOPCon cells; Seraphim SRP-715-BTC-BG 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 Seraphim SRP-690-BTC-BG and Seraphim SRP-715-BTC-BG?
Seraphim SRP-690-BTC-BG has a 30 years power warranty; Seraphim SRP-715-BTC-BG 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.
Are Seraphim SRP-690-BTC-BG and Seraphim SRP-715-BTC-BG bifacial panels?
Both Seraphim SRP-690-BTC-BG and Seraphim SRP-715-BTC-BG are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

Shop prices: See 4 Seraphim 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.