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SEG-490-BTB-BG vs SRP-730-BHC-BG 5 of 19 identical Swap Change panels

Seraphim SEG-490-BTB-BG vs Seraphim SRP-730-BHC-BG

SEG-490-BTB-BG
490 Wp 22.63 % N-type Bifacial
VS
Seraphim SRP-730-BHC-BG
SRP-730-BHC-BG
730 Wp 23.50 % HJT Bifacial
The verdict

SRP-730-BHC-BG leads on the differences that matter

The largest is module efficiency: 0.87 pp more efficient. 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 SEG-490-BTB-BG SRP-730-BHC-BG Difference
Module efficiency 22.63 % 23.50 % 0.87 pp more efficient
Temperature coefficient -0.300 %/°C -0.258 %/°C 0.042 %/°C better in heat
Rated power 490 Wp 730 Wp 240 W more power
Weight 27.3 kg 38.5 kg 11.2 kg lighter
Power density 226.3 Wp/m² 235.0 Wp/m² 8.7 Wp/m² higher
Open-circuit voltage 43.60 V 51.12 V 7.52 V apart
Short-circuit current 14.14 A 17.80 A 3.66 A apart
Module area 2.165 m² 3.106 m² 0.942 m² apart
Cell technology N-type HJT N-type vs HJT
Weight per kWp 55.7 kg/kWp 52.7 kg/kWp 3.0 kg/kWp lighter
Voltage at max power 36.40 V 43.10 V 6.70 V apart
Current at max power 13.46 A 17.00 A 3.54 A apart
Cell count 120 132 12 cells apart
Dimensions 1909x1134x30 mm 2384x1303x33 mm 1909x1134x30 mm vs 2384x1303x33 mm
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
SEG-490-BTB-BG
16,475 kWh
SRP-730-BHC-BG
24,874 kWh
Lifetime gap
8,399 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario SEG-490-BTB-BG SRP-730-BHC-BG
Standard test conditions 25 °C 100.0% of rated power 490 W 730 W
Cool, bright day 40 °C 95.5% of rated power 468 W 702 W
Typical summer roof 55 °C 91.0% of rated power 446 W 673 W
Hot roof 70 °C 86.5% of rated power 424 W 645 W
03

Full specification

Parameter SEG-490-BTB-BG SRP-730-BHC-BG Difference
Power and efficiency
Rated power 490 Wp 730 Wp +240 W for SRP-730-BHC-BG
Module efficiency 22.63 % 23.50 % +0.87 pp for SRP-730-BHC-BG
Power density 226.3 Wp/m² 235.0 Wp/m² +8.7 Wp/m² for SRP-730-BHC-BG
Open-circuit voltage 43.60 V 51.12 V 7.52 V apart
Voltage at max power 36.40 V 43.10 V 6.70 V apart
Short-circuit current 14.14 A 17.80 A 3.66 A apart
Current at max power 13.46 A 17.00 A 3.54 A apart
Temperature
Temperature coefficient -0.300 %/°C -0.258 %/°C +0.042 %/°C for SRP-730-BHC-BG
Mechanical
Dimensions 1909x1134x30 mm 2384x1303x33 mm 1909x1134x30 mm vs 2384x1303x33 mm
Module area 2.165 m² 3.106 m² 0.942 m² apart
Weight 27.3 kg 38.5 kg -11.2 kg for SEG-490-BTB-BG
Weight per kWp 55.7 kg/kWp 52.7 kg/kWp -3.0 kg/kWp for SRP-730-BHC-BG
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.34 %/yr 0.30 %/yr Effectively the same
Technology
Cell technology N-type HJT N-type vs HJT
Cell type Monocrystalline Monocrystalline Same
Cell count 120 132 12 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#3,622 vs #716
SRP-730-BHC-BG leads by 2,906 places
Power density
#3,660 vs #800
SRP-730-BHC-BG leads by 2,860 places
Heat behaviour
#6,093 vs #466
SRP-730-BHC-BG leads by 5,627 places
Weight
#10,113 vs #6,396
SRP-730-BHC-BG leads by 3,717 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,850 vs #208
SRP-730-BHC-BG leads by 6,642 places
05

More useful comparisons

Open the full database
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-495-BTB-BG
One difference: module efficiency
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-485-BTB-BG
One difference: module efficiency
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-480-BTB-BG
3 differences, the largest is module efficiency
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-475-BTB-BG
5 differences, the largest is module efficiency
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-470-BTB-BG
6 differences, the largest is module efficiency
Same series, other bin
Seraphim SEG-490-BTB-BG vs Seraphim SEG-465-BTB-BG
8 differences, the largest is module efficiency
06

Written summary

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07

Questions about this pairing

Which panel is better: Seraphim SEG-490-BTB-BG or Seraphim SRP-730-BHC-BG?
According to our database: Seraphim SRP-730-BHC-BG has higher module efficiency (23.50% vs 22.63%); Seraphim SRP-730-BHC-BG tolerates heat better (temp coeff -0.258%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Seraphim SEG-490-BTB-BG and Seraphim SRP-730-BHC-BG?
Seraphim SEG-490-BTB-BG has a module efficiency of 22.63%, while Seraphim SRP-730-BHC-BG is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Seraphim SEG-490-BTB-BG use vs Seraphim SRP-730-BHC-BG?
Seraphim SEG-490-BTB-BG uses N-type cells; Seraphim SRP-730-BHC-BG uses HJT. 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 SEG-490-BTB-BG and Seraphim SRP-730-BHC-BG?
Seraphim SEG-490-BTB-BG has a 30 years power warranty; Seraphim SRP-730-BHC-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 SEG-490-BTB-BG and Seraphim SRP-730-BHC-BG bifacial panels?
Both Seraphim SEG-490-BTB-BG and Seraphim SRP-730-BHC-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.