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CHSM54RN(DG)/F-BH-515 vs CHSM48RN(DG)(BLH)/F-BH-450 9 of 19 identical Swap Change panels

Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM48RN(DG)(BLH)/F-BH-450

Astronergy CHSM54RN(DG)/F-BH-515
CHSM54RN(DG)/F-BH-515
515 Wp 23.20 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Astronergy CHSM48RN(DG)(BLH)/F-BH-450
CHSM48RN(DG)(BLH)/F-BH-450
450 Wp 22.50 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

CHSM54RN(DG)/F-BH-515 leads on the differences that matter

The largest is module efficiency: 0.70 pp more efficient. 9 of 19 comparable parameters are identical.

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

What actually differs

10 of 19 parameters
Parameter CHSM54RN(DG)/F-BH-515 CHSM48RN(DG)(BLH)/F-BH-450 Difference
Module efficiency 23.20 % 22.50 % 0.70 pp more efficient
Rated power 515 Wp 450 Wp 65 W more power
Power density 231.6 Wp/m² 225.2 Wp/m² 6.4 Wp/m² higher
Open-circuit voltage 41.37 V 36.59 V 4.78 V apart
Module area 2.224 m² 1.998 m² 0.226 m² apart
Weight 26.9 kg 24.5 kg 2.4 kg lighter
Cell count 108 96 12 cells apart
Voltage at max power 34.42 V 30.51 V 3.91 V apart
Weight per kWp 52.2 kg/kWp 54.4 kg/kWp 2.2 kg/kWp lighter
Dimensions 1961x1134x30 mm 1762x1134x30 mm 1961x1134x30 mm vs 1762x1134x30 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.
CHSM54RN(DG)/F-BH-515
17,279 kWh
CHSM48RN(DG)(BLH)/F-BH-450
15,098 kWh
Lifetime gap
2,181 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario CHSM54RN(DG)/F-BH-515 CHSM48RN(DG)(BLH)/F-BH-450
Standard test conditions 25 °C 100.0% of rated power 515 W 450 W
Cool, bright day 40 °C 95.7% of rated power 493 W 430 W
Typical summer roof 55 °C 91.3% of rated power 470 W 411 W
Hot roof 70 °C 87.0% of rated power 448 W 391 W
03

Full specification

Parameter CHSM54RN(DG)/F-BH-515 CHSM48RN(DG)(BLH)/F-BH-450 Difference
Power and efficiency
Rated power 515 Wp 450 Wp +65 W for CHSM54RN(DG)/F-BH-515
Module efficiency 23.20 % 22.50 % +0.70 pp for CHSM54RN(DG)/F-BH-515
Power density 231.6 Wp/m² 225.2 Wp/m² +6.4 Wp/m² for CHSM54RN(DG)/F-BH-515
Open-circuit voltage 41.37 V 36.59 V 4.78 V apart
Voltage at max power 34.42 V 30.51 V 3.91 V apart
Short-circuit current 15.79 A 15.61 A Effectively the same
Current at max power 14.96 A 14.75 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1961x1134x30 mm 1762x1134x30 mm 1961x1134x30 mm vs 1762x1134x30 mm
Module area 2.224 m² 1.998 m² 0.226 m² apart
Weight 26.9 kg 24.5 kg -2.4 kg for CHSM48RN(DG)(BLH)/F-BH-450
Weight per kWp 52.2 kg/kWp 54.4 kg/kWp -2.2 kg/kWp for CHSM54RN(DG)/F-BH-515
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 96 12 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,306 vs #4,222
CHSM54RN(DG)/F-BH-515 leads by 2,916 places
Power density
#1,473 vs #4,225
CHSM54RN(DG)/F-BH-515 leads by 2,752 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,704 vs #8,755
CHSM54RN(DG)/F-BH-515 leads by 3,051 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,194 vs #6,225
CHSM54RN(DG)/F-BH-515 leads by 3,031 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 series, other bin
Astronergy CHSM54RN(DG)/F-BH-515 vs Astronergy CHSM54RN(DG)/F-BH-510
One difference: module efficiency
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-450 vs Astronergy CHSM48RN(DG)(BLH)/F-BH-470
5 differences, the largest is module efficiency
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-450 vs Astronergy CHSM48RN(DG)(BLH)/F-BH-465
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Astronergy CHSM54RN(DG)/F-BH-515 or Astronergy CHSM48RN(DG)(BLH)/F-BH-450?
According to our database: Astronergy CHSM54RN(DG)/F-BH-515 has higher module efficiency (23.20% vs 22.50%). 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 CHSM48RN(DG)(BLH)/F-BH-450?
Astronergy CHSM54RN(DG)/F-BH-515 has a module efficiency of 23.20%, while Astronergy CHSM48RN(DG)(BLH)/F-BH-450 is 22.50%. 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 CHSM48RN(DG)(BLH)/F-BH-450?
Astronergy CHSM54RN(DG)/F-BH-515 uses TOPCon cells; Astronergy CHSM48RN(DG)(BLH)/F-BH-450 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 CHSM48RN(DG)(BLH)/F-BH-450?
Astronergy CHSM54RN(DG)/F-BH-515 has a 30 years power warranty; Astronergy CHSM48RN(DG)(BLH)/F-BH-450 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 CHSM48RN(DG)(BLH)/F-BH-450 bifacial panels?
Both Astronergy CHSM54RN(DG)/F-BH-515 and Astronergy CHSM48RN(DG)(BLH)/F-BH-450 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.