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NSBK-33-710 vs HSBK-33-730 12 of 19 identical Swap Change panels

BYD NSBK-33-710 vs BYD HSBK-33-730

BYD NSBK-33-710
BYD
NSBK-33-710
710 Wp 22.86 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
BYD HSBK-33-730
BYD
HSBK-33-730
730 Wp 23.50 % HJT Bifacial
Open panel page Datasheet PDF
The verdict

HSBK-33-730 leads on the differences that matter

The largest is temperature coefficient: 0.038 %/°C better in heat. 12 of 19 comparable parameters are identical.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs
01

What actually differs

7 of 19 parameters
Parameter NSBK-33-710 HSBK-33-730 Difference
Temperature coefficient -0.278 %/°C -0.240 %/°C 0.038 %/°C better in heat
Module efficiency 22.86 % 23.50 % 0.64 pp more efficient
Power density 228.6 Wp/m² 235.0 Wp/m² 6.4 Wp/m² higher
Rated power 710 Wp 730 Wp 20 W more power
Cell technology TOPCon HJT TOPCon vs HJT
Open-circuit voltage 49.00 V 50.37 V 1.37 V apart
Voltage at max power 41.16 V 42.32 V 1.16 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
NSBK-33-710
23,822 kWh
HSBK-33-730
24,493 kWh
Lifetime gap
671 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario NSBK-33-710 HSBK-33-730
Standard test conditions 25 °C 100.0% of rated power 710 W 730 W
Cool, bright day 40 °C 95.8% of rated power 680 W 704 W
Typical summer roof 55 °C 91.7% of rated power 651 W 677 W
Hot roof 70 °C 87.5% of rated power 621 W 651 W
03

Full specification

Parameter NSBK-33-710 HSBK-33-730 Difference
Power and efficiency
Rated power 710 Wp 730 Wp +20 W for HSBK-33-730
Module efficiency 22.86 % 23.50 % +0.64 pp for HSBK-33-730
Power density 228.6 Wp/m² 235.0 Wp/m² +6.4 Wp/m² for HSBK-33-730
Open-circuit voltage 49.00 V 50.37 V 1.37 V apart
Voltage at max power 41.16 V 42.32 V 1.16 V apart
Short-circuit current 18.20 A 18.35 A Effectively the same
Current at max power 17.25 A 17.26 A Effectively the same
Temperature
Temperature coefficient -0.278 %/°C -0.240 %/°C +0.038 %/°C for HSBK-33-730
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.3 kg 38.3 kg Same
Weight per kWp 53.9 kg/kWp 52.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon HJT TOPCon vs HJT
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#2,591 vs #749
HSBK-33-730 leads by 1,842 places
Power density
#2,529 vs #836
HSBK-33-730 leads by 1,693 places
Heat behaviour
#1,333 vs #13
HSBK-33-730 leads by 1,320 places
Weight
#8,201 vs #6,040
HSBK-33-730 leads by 2,161 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#869 vs #316
HSBK-33-730 leads by 553 places
05

More useful comparisons

Open the full database
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BYD NSBK-33-710 vs BYD NSBK-33-720
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BYD NSBK-33-710 vs BYD NSBK-33-705
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BYD NSBK-33-710 vs BYD NSBK-33-700
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BYD NSBK-33-710 vs BYD NSBK-33-695
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BYD NSBK-33-710 vs BYD NSBK-33-690
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06

Written summary

07

Questions about this pairing

Which panel is better: BYD NSBK-33-710 or BYD HSBK-33-730?
According to our database: BYD HSBK-33-730 has higher module efficiency (23.50% vs 22.86%); BYD HSBK-33-730 tolerates heat better (temp coeff -0.240%/°C vs -0.278%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of BYD NSBK-33-710 and BYD HSBK-33-730?
BYD NSBK-33-710 has a module efficiency of 22.86%, while BYD HSBK-33-730 is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does BYD NSBK-33-710 use vs BYD HSBK-33-730?
BYD NSBK-33-710 uses TOPCon cells; BYD HSBK-33-730 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 BYD NSBK-33-710 and BYD HSBK-33-730?
BYD NSBK-33-710 has a 30 years power warranty; BYD HSBK-33-730 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 BYD NSBK-33-710 and BYD HSBK-33-730 bifacial panels?
Both BYD NSBK-33-710 and BYD HSBK-33-730 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.

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.