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510 vs 500 16 of 19 identical Swap Change panels

Bisol BBO 510 vs Bisol BBO 500

Bisol BBO 510
Bisol
BBO 510
510 Wp 22.80 % PERC
Open panel page Datasheet PDF
VS
Bisol BBO 500
Bisol
BBO 500
500 Wp 22.30 % PERC
Open panel page Datasheet PDF
The verdict

510 leads on the differences that matter

The largest is module efficiency: 0.50 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
01

What actually differs

3 of 19 parameters
Parameter 510 500 Difference
Module efficiency 22.80 % 22.30 % 0.50 pp more efficient
Power density 227.7 Wp/m² 223.2 Wp/m² 4.5 Wp/m² higher
Rated power 510 Wp 500 Wp 10 W more power
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.
510
17,351 kWh
500
17,011 kWh
Lifetime gap
340 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 510 500
Standard test conditions 25 °C 100.0% of rated power 510 W 500 W
Cool, bright day 40 °C 95.7% of rated power 488 W 478 W
Typical summer roof 55 °C 91.3% of rated power 466 W 457 W
Hot roof 70 °C 87.0% of rated power 443 W 435 W
03

Full specification

Parameter 510 500 Difference
Power and efficiency
Rated power 510 Wp 500 Wp +10 W for 510
Module efficiency 22.80 % 22.30 % +0.50 pp for 510
Power density 227.7 Wp/m² 223.2 Wp/m² +4.5 Wp/m² for 510
Open-circuit voltage 40.00 V 39.60 V Effectively the same
Voltage at max power 33.60 V 33.30 V Effectively the same
Short-circuit current 16.10 A 16.00 A Effectively the same
Current at max power 15.20 A 15.00 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1975x1134x35 mm 1975x1134x35 mm Same
Module area 2.240 m² 2.240 m² Same
Weight 23.5 kg 23.5 kg Same
Weight per kWp 46.1 kg/kWp 47.0 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 PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#2,714 vs #5,100
510 leads by 2,386 places
Power density
#3,074 vs #5,048
510 leads by 1,974 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#979 vs #1,450
510 leads by 471 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,687 vs #4,669
510 leads by 982 places
05

More useful comparisons

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06

Written summary

07

Questions about this pairing

Which panel is better: Bisol BBO 510 or Bisol BBO 500?
According to our database: Bisol BBO 510 has higher module efficiency (22.80% vs 22.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Bisol BBO 510 and Bisol BBO 500?
Bisol BBO 510 has a module efficiency of 22.80%, while Bisol BBO 500 is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Bisol BBO 510 use vs Bisol BBO 500?
Bisol BBO 510 uses PERC cells; Bisol BBO 500 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 BBO 510 and Bisol BBO 500?
Bisol BBO 510 has a 30 years power warranty; Bisol BBO 500 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.