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BDO 460 vs BBO 510 10 of 19 identical Swap Change panels

Bisol BDO 460 vs Bisol BBO 510

Bisol BDO 460
Bisol
BDO 460
460 Wp 23.00 % TOPCon
Open panel page Datasheet PDF
VS
Bisol BBO 510
Bisol
BBO 510
510 Wp 22.80 % PERC
Open panel page Datasheet PDF
The verdict

9 differences, and they point both ways

The largest is rated power: 50 W more power. 10 of 19 comparable parameters are identical.

See all 9 differences
How alike are they
10 of 19 comparable
parameters are identical
identical differs
01

What actually differs

9 of 19 parameters
Parameter BDO 460 BBO 510 Difference
Rated power 460 Wp 510 Wp 50 W more power
Open-circuit voltage 35.90 V 40.00 V 4.10 V apart
Module area 1.998 m² 2.240 m² 0.242 m² apart
Weight 21.0 kg 23.5 kg 2.5 kg lighter
Cell technology TOPCon PERC TOPCon vs PERC
Module efficiency 23.00 % 22.80 % 0.20 pp more efficient
Cell count 96 108 12 cells apart
Voltage at max power 29.90 V 33.60 V 3.70 V apart
Dimensions 1762x1134x30 mm 1975x1134x35 mm 1762x1134x30 mm vs 1975x1134x35 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
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.
BDO 460
15,650 kWh
BBO 510
17,351 kWh
Lifetime gap
1,701 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario BDO 460 BBO 510
Standard test conditions 25 °C 100.0% of rated power 460 W 510 W
Cool, bright day 40 °C 95.7% of rated power 440 W 488 W
Typical summer roof 55 °C 91.3% of rated power 420 W 466 W
Hot roof 70 °C 87.0% of rated power 400 W 443 W
03

Full specification

Parameter BDO 460 BBO 510 Difference
Power and efficiency
Rated power 460 Wp 510 Wp +50 W for BBO 510
Module efficiency 23.00 % 22.80 % +0.20 pp for BDO 460
Power density 230.2 Wp/m² 227.7 Wp/m² Effectively the same
Open-circuit voltage 35.90 V 40.00 V 4.10 V apart
Voltage at max power 29.90 V 33.60 V 3.70 V apart
Short-circuit current 16.20 A 16.10 A Effectively the same
Current at max power 15.40 A 15.20 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1975x1134x35 mm 1762x1134x30 mm vs 1975x1134x35 mm
Module area 1.998 m² 2.240 m² 0.242 m² apart
Weight 21.0 kg 23.5 kg -2.5 kg for BDO 460
Weight per kWp 45.7 kg/kWp 46.1 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.31 %/yr 0.31 %/yr Same
Technology
Cell technology TOPCon PERC TOPCon vs PERC
Cell type Monocrystalline Monocrystalline Same
Cell count 96 108 12 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #2,714
BDO 460 leads by 795 places
Power density
#1,876 vs #3,074
BDO 460 leads by 1,198 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#805 vs #979
BDO 460 leads by 174 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,126 vs #3,687
BBO 510 leads by 1,439 places
05

More useful comparisons

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06

Written summary

07

Questions about this pairing

Which panel is better: Bisol BDO 460 or Bisol BBO 510?
According to our database: Bisol BDO 460 has higher module efficiency (23.00% vs 22.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Bisol BDO 460 and Bisol BBO 510?
Bisol BDO 460 has a module efficiency of 23.00%, while Bisol BBO 510 is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Bisol BDO 460 use vs Bisol BBO 510?
Bisol BDO 460 uses TOPCon cells; Bisol BBO 510 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 Bisol BDO 460 and Bisol BBO 510?
Bisol BDO 460 has a 30 years power warranty; Bisol BBO 510 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.

Shop prices: See 12 Bisol 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.