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CHSM48RN(DG)(BLH)/F-BH-460 vs CHSM48RN(DG)/F-BH-450 16 of 19 identical Swap Change panels

Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM48RN(DG)/F-BH-450

Astronergy CHSM48RN(DG)(BLH)/F-BH-460
CHSM48RN(DG)(BLH)/F-BH-460
460 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Astronergy CHSM48RN(DG)/F-BH-450
CHSM48RN(DG)/F-BH-450
450 Wp 22.50 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

CHSM48RN(DG)(BLH)/F-BH-460 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 CHSM48RN(DG)(BLH)/F-BH-460 CHSM48RN(DG)/F-BH-450 Difference
Module efficiency 23.00 % 22.50 % 0.50 pp more efficient
Power density 230.2 Wp/m² 225.2 Wp/m² 5.0 Wp/m² higher
Rated power 460 Wp 450 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.
CHSM48RN(DG)(BLH)/F-BH-460
15,434 kWh
CHSM48RN(DG)/F-BH-450
15,098 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario CHSM48RN(DG)(BLH)/F-BH-460 CHSM48RN(DG)/F-BH-450
Standard test conditions 25 °C 100.0% of rated power 460 W 450 W
Cool, bright day 40 °C 95.7% of rated power 440 W 430 W
Typical summer roof 55 °C 91.3% of rated power 420 W 411 W
Hot roof 70 °C 87.0% of rated power 400 W 391 W
03

Full specification

Parameter CHSM48RN(DG)(BLH)/F-BH-460 CHSM48RN(DG)/F-BH-450 Difference
Power and efficiency
Rated power 460 Wp 450 Wp +10 W for CHSM48RN(DG)(BLH)/F-BH-460
Module efficiency 23.00 % 22.50 % +0.50 pp for CHSM48RN(DG)(BLH)/F-BH-460
Power density 230.2 Wp/m² 225.2 Wp/m² +5.0 Wp/m² for CHSM48RN(DG)(BLH)/F-BH-460
Open-circuit voltage 36.91 V 36.42 V Effectively the same
Voltage at max power 30.78 V 30.33 V Effectively the same
Short-circuit current 15.81 A 15.68 A Effectively the same
Current at max power 14.94 A 14.83 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 24.5 kg 24.5 kg Same
Weight per kWp 53.3 kg/kWp 54.4 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 96 96 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #4,222
CHSM48RN(DG)(BLH)/F-BH-460 leads by 2,303 places
Power density
#1,876 vs #4,225
CHSM48RN(DG)(BLH)/F-BH-460 leads by 2,349 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#7,102 vs #8,755
CHSM48RN(DG)(BLH)/F-BH-460 leads by 1,653 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,285 vs #6,225
CHSM48RN(DG)(BLH)/F-BH-460 leads by 940 places
05

More useful comparisons

Open the full database
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM54RN(DG)/F-BH-530
10 differences, the largest is module efficiency
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM54RN(DG)/F-BH-525
10 differences, the largest is rated power
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM54RN(DG)/F-BH-520
9 differences, the largest is rated power
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM54RN(DG)/F-BH-515
8 differences, the largest is rated power
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM54RN(DG)/F-BH-510
7 differences, the largest is rated power
Same series, other bin
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 vs Astronergy CHSM48RN(DG)(BLH)/F-BH-470
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Astronergy CHSM48RN(DG)(BLH)/F-BH-460 or Astronergy CHSM48RN(DG)/F-BH-450?
According to our database: Astronergy CHSM48RN(DG)(BLH)/F-BH-460 has higher module efficiency (23.00% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Astronergy CHSM48RN(DG)(BLH)/F-BH-460 and Astronergy CHSM48RN(DG)/F-BH-450?
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 has a module efficiency of 23.00%, while Astronergy CHSM48RN(DG)/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 CHSM48RN(DG)(BLH)/F-BH-460 use vs Astronergy CHSM48RN(DG)/F-BH-450?
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 uses TOPCon cells; Astronergy CHSM48RN(DG)/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 CHSM48RN(DG)(BLH)/F-BH-460 and Astronergy CHSM48RN(DG)/F-BH-450?
Astronergy CHSM48RN(DG)(BLH)/F-BH-460 has a 30 years power warranty; Astronergy CHSM48RN(DG)/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 CHSM48RN(DG)(BLH)/F-BH-460 and Astronergy CHSM48RN(DG)/F-BH-450 bifacial panels?
Both Astronergy CHSM48RN(DG)(BLH)/F-BH-460 and Astronergy CHSM48RN(DG)/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.