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490W vs 470W 15 of 19 identical Swap Change panels

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

Leapton LP182*182-M-60-NB-490W
Leapton
LP182*182-M-60-NB-490W
490 Wp 22.63 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Leapton LP182*182-M-60-NB-470W
Leapton
LP182*182-M-60-NB-470W
470 Wp 21.71 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

490W leads on the differences that matter

The largest is module efficiency: 0.92 pp more efficient. 15 of 19 comparable parameters are identical.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs
01

What actually differs

4 of 19 parameters
Parameter 490W 470W Difference
Module efficiency 22.63 % 21.71 % 0.92 pp more efficient
Power density 226.3 Wp/m² 217.1 Wp/m² 9.2 Wp/m² higher
Rated power 490 Wp 470 Wp 20 W more power
Weight per kWp 53.1 kg/kWp 56.4 kg/kWp 3.3 kg/kWp lighter
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.
490W
16,440 kWh
470W
15,769 kWh
Lifetime gap
671 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 490W 470W
Standard test conditions 25 °C 100.0% of rated power 490 W 470 W
Cool, bright day 40 °C 95.5% of rated power 468 W 449 W
Typical summer roof 55 °C 91.0% of rated power 446 W 428 W
Hot roof 70 °C 86.5% of rated power 424 W 407 W
03

Full specification

Parameter 490W 470W Difference
Power and efficiency
Rated power 490 Wp 470 Wp +20 W for 490W
Module efficiency 22.63 % 21.71 % +0.92 pp for 490W
Power density 226.3 Wp/m² 217.1 Wp/m² +9.2 Wp/m² for 490W
Open-circuit voltage 43.20 V 42.60 V Effectively the same
Voltage at max power 35.64 V 35.03 V Effectively the same
Short-circuit current 14.26 A 13.97 A Effectively the same
Current at max power 13.75 A 13.42 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1909x1134x30 mm 1909x1134x30 mm Same
Module area 2.165 m² 2.165 m² Same
Weight 26.0 kg 26.5 kg Effectively the same
Weight per kWp 53.1 kg/kWp 56.4 kg/kWp -3.3 kg/kWp for 490W
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 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#3,679 vs #7,475
490W leads by 3,796 places
Power density
#3,718 vs #7,465
490W leads by 3,747 places
Heat behaviour
#6,152 vs #6,152
Tied - the same position in the database
Weight
#6,877 vs #10,704
490W leads by 3,827 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,780 vs #6,578
490W leads by 1,798 places
05

More useful comparisons

Open the full database
Same series, other bin
Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-500W
3 differences, the largest is module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-495W
One difference: module efficiency
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Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-485W
One difference: module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-480W
3 differences, the largest is module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-475W
4 differences, the largest is module efficiency
Same series, other bin
Leapton
Leapton LP182*182-M-60-NB-490W vs Leapton LP182*182-M-60-NB-465W
4 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Leapton LP182*182-M-60-NB-490W or Leapton LP182*182-M-60-NB-470W?
According to our database: Leapton LP182*182-M-60-NB-490 W has higher module efficiency (22.63% 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-NB-490W and Leapton LP182*182-M-60-NB-470W?
Leapton LP182*182-M-60-NB-490 W has a module efficiency of 22.63%, while Leapton LP182*182-M-60-NB-470 W is 21.71%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Leapton LP182*182-M-60-NB-490W use vs Leapton LP182*182-M-60-NB-470W?
Leapton LP182*182-M-60-NB-490 W uses TOPCon cells; Leapton LP182*182-M-60-NB-470 W 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 Leapton LP182*182-M-60-NB-490W and Leapton LP182*182-M-60-NB-470W?
Leapton LP182*182-M-60-NB-490 W has a 30 years power warranty; Leapton LP182*182-M-60-NB-470 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.
Are Leapton LP182*182-M-60-NB-490W and Leapton LP182*182-M-60-NB-470W bifacial panels?
Both Leapton LP182*182-M-60-NB-490 W and Leapton LP182*182-M-60-NB-470 W 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.

Shop prices: See 9 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.