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BD60-LA510 vs BD54-LA450 10 of 19 identical Swap Change panels

TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD54-LA450

TCL Zhonghuan
HSM-BD60-LA510
510 Wp 23.00 % Back Contact
Open panel page Datasheet PDF
VS
TCL Zhonghuan
HSM-BD54-LA450
450 Wp 22.60 % Back Contact
Open panel page Datasheet PDF
The verdict

BD60-LA510 leads on the differences that matter

The largest is rated power: 60 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 BD60-LA510 BD54-LA450 Difference
Rated power 510 Wp 450 Wp 60 W more power
Module efficiency 23.00 % 22.60 % 0.40 pp more efficient
Open-circuit voltage 45.22 V 40.94 V 4.28 V apart
Module area 2.216 m² 1.992 m² 0.223 m² apart
Weight 23.5 kg 21.5 kg 2.0 kg lighter
Power density 230.2 Wp/m² 225.9 Wp/m² 4.3 Wp/m² higher
Cell count 120 108 12 cells apart
Voltage at max power 38.10 V 34.50 V 3.60 V apart
Dimensions 1954x1134x30 mm 1757x1134x30 mm 1954x1134x30 mm vs 1757x1134x30 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 (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
BD60-LA510
17,245 kWh
BD54-LA450
15,216 kWh
Lifetime gap
2,029 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario BD60-LA510 BD54-LA450
Standard test conditions 25 °C 100.0% of rated power 510 W 450 W
Cool, bright day 40 °C 96.1% of rated power 490 W 432 W
Typical summer roof 55 °C 92.2% of rated power 470 W 415 W
Hot roof 70 °C 88.3% of rated power 450 W 397 W
03

Full specification

Parameter BD60-LA510 BD54-LA450 Difference
Power and efficiency
Rated power 510 Wp 450 Wp +60 W for BD60-LA510
Module efficiency 23.00 % 22.60 % +0.40 pp for BD60-LA510
Power density 230.2 Wp/m² 225.9 Wp/m² +4.3 Wp/m² for BD60-LA510
Open-circuit voltage 45.22 V 40.94 V 4.28 V apart
Voltage at max power 38.10 V 34.50 V 3.60 V apart
Short-circuit current 14.17 A 14.12 A Effectively the same
Current at max power 13.39 A 13.05 A Effectively the same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1954x1134x30 mm 1757x1134x30 mm 1954x1134x30 mm vs 1757x1134x30 mm
Module area 2.216 m² 1.992 m² 0.223 m² apart
Weight 23.5 kg 21.5 kg -2.0 kg for BD54-LA450
Weight per kWp 46.1 kg/kWp 47.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.35 %/yr 0.35 %/yr Same
Technology
Cell technology Back Contact Back Contact Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 108 12 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #3,658
BD60-LA510 leads by 1,739 places
Power density
#2,128 vs #3,723
BD60-LA510 leads by 1,595 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#979 vs #1,891
BD60-LA510 leads by 912 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,471 vs #5,945
BD60-LA510 leads by 2,474 places
05

More useful comparisons

Open the full database
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TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA515
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TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA505
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TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA500
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TCL Zhonghuan HSM-BD54-LA450 vs TCL Zhonghuan HSM-BD54-WA475
5 differences, the largest is module efficiency
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TCL Zhonghuan HSM-BD54-LA450 vs TCL Zhonghuan HSM-BD54-LA470
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06

Written summary

07

Questions about this pairing

Which panel is better: TCL Zhonghuan HSM-BD60-LA510 or TCL Zhonghuan HSM-BD54-LA450?
According to our database: TCL Zhonghuan HSM-BD60-LA510 has higher module efficiency (23.00% vs 22.60%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of TCL Zhonghuan HSM-BD60-LA510 and TCL Zhonghuan HSM-BD54-LA450?
TCL Zhonghuan HSM-BD60-LA510 has a module efficiency of 23.00%, while TCL Zhonghuan HSM-BD54-LA450 is 22.60%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does TCL Zhonghuan HSM-BD60-LA510 use vs TCL Zhonghuan HSM-BD54-LA450?
TCL Zhonghuan HSM-BD60-LA510 uses Back Contact cells; TCL Zhonghuan HSM-BD54-LA450 uses Back Contact. 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 TCL Zhonghuan HSM-BD60-LA510 and TCL Zhonghuan HSM-BD54-LA450?
TCL Zhonghuan HSM-BD60-LA510 has a 30 years power warranty; TCL Zhonghuan HSM-BD54-LA450 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 25 TCL Zhonghuan 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.