715 vs 705 16 of 19 identical Swap Change panels

BYD HSBK-33-715 vs BYD HSBK-33-705

Q: Which panel is better: BYD HSBK-33-715 or BYD HSBK-33-705?

According to our database: BYD HSBK-33-715 has higher module efficiency (23.02% vs 22.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of BYD HSBK-33-715 and BYD HSBK-33-705?

BYD HSBK-33-715 has a module efficiency of 23.02%, while BYD HSBK-33-705 is 22.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does BYD HSBK-33-715 use vs BYD HSBK-33-705?

BYD HSBK-33-715 uses HJT cells; BYD HSBK-33-705 uses HJT. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on BYD HSBK-33-715 and BYD HSBK-33-705?

BYD HSBK-33-715 has a 30 years power warranty; BYD HSBK-33-705 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.

Q: Are BYD HSBK-33-715 and BYD HSBK-33-705 bifacial panels?

Both BYD HSBK-33-715 and BYD HSBK-33-705 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.

BYD

HSBK-33-715

715 Wp 23.02 % HJT Bifacial

Open panel page Datasheet PDF

BYD

HSBK-33-705

705 Wp 22.70 % HJT Bifacial

Open panel page Datasheet PDF

The verdict

715 leads on the differences that matter

The largest is module efficiency: 0.32 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences

How alike are they

16 of 19 comparable
parameters are identical

identical differs

What actually differs

3 of 19 parameters

Parameter 715 705 Difference

Module efficiency 23.02 % 22.70 % 0.32 pp more efficient

Power density 230.2 Wp/m² 227.0 Wp/m² 3.2 Wp/m² higher

Rated power 715 Wp 705 Wp 10 W more power

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

Same temp coeff. for both panels (-0.240 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.

715

23,990 kWh

705

23,654 kWh

Lifetime gap

336 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario 715 705

Standard test conditions 25 °C 100.0% of rated power 715 W 705 W

Cool, bright day 40 °C 96.4% of rated power 689 W 680 W

Typical summer roof 55 °C 92.8% of rated power 664 W 654 W

Hot roof 70 °C 89.2% of rated power 638 W 629 W

Full specification

Parameter 715 705 Difference

Power and efficiency

Rated power 715 Wp 705 Wp +10 W for 715

Module efficiency 23.02 % 22.70 % +0.32 pp for 715

Power density 230.2 Wp/m² 227.0 Wp/m² +3.2 Wp/m² for 715

Open-circuit voltage 50.07 V 49.87 V Effectively the same

Voltage at max power 42.05 V 41.87 V Effectively the same

Short-circuit current 18.08 A 17.90 A Effectively the same

Current at max power 17.02 A 16.84 A Effectively the same

Temperature

Temperature coefficient -0.240 %/°C -0.240 %/°C Same

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 53.6 kg/kWp 54.3 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 HJT HJT Same

Cell type Monocrystalline Monocrystalline Same

Cell count 132 132 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#1,797 vs #3,307

715 leads by 1,510 places

Power density

#2,018 vs #3,361

715 leads by 1,343 places

Heat behaviour

#13 vs #13

Tied - the same position in the database

Weight

#7,566 vs #8,604

715 leads by 1,038 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#678 vs #1,007

715 leads by 329 places

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Written summary

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Questions about this pairing

Which panel is better: BYD HSBK-33-715 or BYD HSBK-33-705?

According to our database: BYD HSBK-33-715 has higher module efficiency (23.02% vs 22.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of BYD HSBK-33-715 and BYD HSBK-33-705?

BYD HSBK-33-715 has a module efficiency of 23.02%, while BYD HSBK-33-705 is 22.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does BYD HSBK-33-715 use vs BYD HSBK-33-705?

BYD HSBK-33-715 uses HJT cells; BYD HSBK-33-705 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 HSBK-33-715 and BYD HSBK-33-705?

BYD HSBK-33-715 has a 30 years power warranty; BYD HSBK-33-705 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 HSBK-33-715 and BYD HSBK-33-705 bifacial panels?

Both BYD HSBK-33-715 and BYD HSBK-33-705 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.