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470W vs 490W 11 of 19 identical Swap Change panels

Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-490W

Leapton LP182*182-M-60-NH-470W
Leapton
LP182*182-M-60-NH-470W
470 Wp 21.71 % TOPCon
Open panel page Datasheet PDF
VS
Leapton LP182*182-M-60-NH-490W
Leapton
LP182*182-M-60-NH-490W
490 Wp 22.10 % N-type
Open panel page Datasheet PDF
The verdict

490W leads on the differences that matter

The largest is module efficiency: 0.39 pp more efficient. 11 of 19 comparable parameters are identical.

See all 8 differences
How alike are they
11 of 19 comparable
parameters are identical
identical differs
01

What actually differs

8 of 19 parameters
Parameter 470W 490W Difference
Module efficiency 21.71 % 22.10 % 0.39 pp more efficient
Rated power 470 Wp 490 Wp 20 W more power
Power density 217.1 Wp/m² 221.0 Wp/m² 3.9 Wp/m² higher
Module area 2.165 m² 2.217 m² 0.052 m² apart
Cell technology TOPCon N-type TOPCon vs N-type
Open-circuit voltage 42.60 V 43.67 V 1.07 V apart
Dimensions 1909x1134x30 mm 1955x1134x30 mm 1909x1134x30 mm vs 1955x1134x30 mm
Voltage at max power 35.03 V 36.19 V 1.16 V apart
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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
470W
15,769 kWh
490W
16,440 kWh
Lifetime gap
671 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 470W 490W
Standard test conditions 25 °C 100.0% of rated power 470 W 490 W
Cool, bright day 40 °C 95.5% of rated power 449 W 468 W
Typical summer roof 55 °C 91.0% of rated power 428 W 446 W
Hot roof 70 °C 86.5% of rated power 407 W 424 W
03

Full specification

Parameter 470W 490W Difference
Power and efficiency
Rated power 470 Wp 490 Wp +20 W for 490W
Module efficiency 21.71 % 22.10 % +0.39 pp for 490W
Power density 217.1 Wp/m² 221.0 Wp/m² +3.9 Wp/m² for 490W
Open-circuit voltage 42.60 V 43.67 V 1.07 V apart
Voltage at max power 35.03 V 36.19 V 1.16 V apart
Short-circuit current 13.97 A 14.00 A Effectively the same
Current at max power 13.42 A 13.54 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1909x1134x30 mm 1955x1134x30 mm 1909x1134x30 mm vs 1955x1134x30 mm
Module area 2.165 m² 2.217 m² 0.052 m² apart
Weight 23.0 kg 23.5 kg Effectively the same
Weight per kWp 48.9 kg/kWp 48.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon N-type TOPCon vs N-type
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#7,411 vs #6,012
490W leads by 1,399 places
Power density
#7,401 vs #5,998
490W leads by 1,403 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#2,611 vs #1,984
490W leads by 627 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,383 vs #5,204
490W leads by 1,179 places
05

More useful comparisons

Open the full database
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-500W
8 differences, the largest is module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-495W
8 differences, the largest is module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-485W
5 differences, the largest is rated power
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-480W
4 differences, the largest is module area
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-475W
One difference: module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NH-470W vs Leapton LP182*182-M-60-NH-465W
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Leapton LP182*182-M-60-NH-470W or Leapton LP182*182-M-60-NH-490W?
According to our database: Leapton LP182*182-M-60-NH-490 W has higher module efficiency (22.10% vs 21.71%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Leapton LP182*182-M-60-NH-470W and Leapton LP182*182-M-60-NH-490W?
Leapton LP182*182-M-60-NH-470 W has a module efficiency of 21.71%, while Leapton LP182*182-M-60-NH-490 W is 22.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Leapton LP182*182-M-60-NH-470W use vs Leapton LP182*182-M-60-NH-490W?
Leapton LP182*182-M-60-NH-470 W uses TOPCon cells; Leapton LP182*182-M-60-NH-490 W uses N-type. 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 Leapton LP182*182-M-60-NH-470W and Leapton LP182*182-M-60-NH-490W?
Leapton LP182*182-M-60-NH-470 W has a 30 years power warranty; Leapton LP182*182-M-60-NH-490 W 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 8 Leapton 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.