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515 vs 510 18 of 19 identical Swap Change panels

Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM54RN(DG)/F-BH-510

Astronergy CHSM54RN(DG)/F-BH-515
CHSM54RN(DG)/F-BH-515
515 Wp 23.20 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Astronergy CHSM54RN(DG)/F-BH-510
CHSM54RN(DG)/F-BH-510
510 Wp 22.90 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

515 leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 515 510 Difference
Module efficiency 23.20 % 22.90 % 0.30 pp more efficient
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.
515
17,279 kWh
510
17,112 kWh
Lifetime gap
167 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 515 510
Standard test conditions 25 °C 100.0% of rated power 515 W 510 W
Cool, bright day 40 °C 95.7% of rated power 493 W 488 W
Typical summer roof 55 °C 91.3% of rated power 470 W 466 W
Hot roof 70 °C 87.0% of rated power 448 W 443 W
03

Full specification

Parameter 515 510 Difference
Power and efficiency
Rated power 515 Wp 510 Wp Effectively the same
Module efficiency 23.20 % 22.90 % +0.30 pp for 515
Power density 231.6 Wp/m² 229.3 Wp/m² Effectively the same
Open-circuit voltage 41.37 V 41.21 V Effectively the same
Voltage at max power 34.42 V 34.29 V Effectively the same
Short-circuit current 15.79 A 15.70 A Effectively the same
Current at max power 14.96 A 14.87 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1961x1134x30 mm 1961x1134x30 mm Same
Module area 2.224 m² 2.224 m² Same
Weight 26.9 kg 26.9 kg Same
Weight per kWp 52.2 kg/kWp 52.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,306 vs #2,359
515 leads by 1,053 places
Power density
#1,473 vs #2,343
515 leads by 870 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,704 vs #6,400
515 leads by 696 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,194 vs #3,700
515 leads by 506 places
05

More useful comparisons

Open the full database
Same series, other bin
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM54RN(DG)/F-BH-530
3 differences, the largest is module efficiency
Same series, other bin
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM54RN(DG)/F-BH-525
3 differences, the largest is module efficiency
Same series, other bin
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM54RN(DG)/F-BH-520
One difference: module efficiency
Same manufacturer
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM66N(DG)/F-BH-735
12 differences, the largest is rated power
Same manufacturer
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM66N(DG)/F-BH-730
12 differences, the largest is rated power
Same manufacturer
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM66N(DG)/F-BH-725
10 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Astronergy CHSM54RN(DG)/F-BH-515 or Astronergy CHSM54RN(DG)/F-BH-510?
According to our database: Astronergy CHSM54RN(DG)/F-BH-515 has higher module efficiency (23.20% vs 22.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Astronergy CHSM54RN(DG)/F-BH-515 and Astronergy CHSM54RN(DG)/F-BH-510?
Astronergy CHSM54RN(DG)/F-BH-515 has a module efficiency of 23.20%, while Astronergy CHSM54RN(DG)/F-BH-510 is 22.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Astronergy CHSM54RN(DG)/F-BH-515 use vs Astronergy CHSM54RN(DG)/F-BH-510?
Astronergy CHSM54RN(DG)/F-BH-515 uses TOPCon cells; Astronergy CHSM54RN(DG)/F-BH-510 uses TOPCon. 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 Astronergy CHSM54RN(DG)/F-BH-515 and Astronergy CHSM54RN(DG)/F-BH-510?
Astronergy CHSM54RN(DG)/F-BH-515 has a 30 years power warranty; Astronergy CHSM54RN(DG)/F-BH-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.
Are Astronergy CHSM54RN(DG)/F-BH-515 and Astronergy CHSM54RN(DG)/F-BH-510 bifacial panels?
Both Astronergy CHSM54RN(DG)/F-BH-515 and Astronergy CHSM54RN(DG)/F-BH-510 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.

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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.