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48HW475 vs 48HW470 18 of 19 identical Swap Change panels

Tongwei TWMNH-48HW475 vs Tongwei TWMNH-48HW470

Tongwei TWMNH-48HW475
TWMNH-48HW475
475 Wp 23.80 % N-type
Open panel page Datasheet PDF
VS
Tongwei TWMNH-48HW470
TWMNH-48HW470
470 Wp 23.50 % N-type
Open panel page Datasheet PDF
The verdict

48HW475 leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 48HW475 48HW470 Difference
Module efficiency 23.80 % 23.50 % 0.30 pp more efficient
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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
48HW475
15,937 kWh
48HW470
15,769 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 48HW475 48HW470
Standard test conditions 25 °C 100.0% of rated power 475 W 470 W
Cool, bright day 40 °C 95.8% of rated power 455 W 450 W
Typical summer roof 55 °C 91.6% of rated power 435 W 431 W
Hot roof 70 °C 87.4% of rated power 415 W 411 W
03

Full specification

Parameter 48HW475 48HW470 Difference
Power and efficiency
Rated power 475 Wp 470 Wp Effectively the same
Module efficiency 23.80 % 23.50 % +0.30 pp for 48HW475
Power density 237.7 Wp/m² 235.2 Wp/m² Effectively the same
Open-circuit voltage 36.70 V 36.55 V Effectively the same
Voltage at max power 31.05 V 30.80 V Effectively the same
Short-circuit current 15.97 A 15.95 A Effectively the same
Current at max power 15.30 A 15.26 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.280 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 23.7 kg 23.7 kg Same
Weight per kWp 49.9 kg/kWp 50.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 96 96 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#433 vs #716
48HW475 leads by 283 places
Power density
#467 vs #674
48HW475 leads by 207 places
Heat behaviour
#1,309 vs #1,309
Tied - the same position in the database
Weight
#3,274 vs #3,804
48HW475 leads by 530 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,862 vs #6,415
48HW475 leads by 553 places
05

More useful comparisons

Open the full database
Same series, other bin
Tongwei TWMNH-48HW475 vs Tongwei TWMNH-48HW465
3 differences, the largest is module efficiency
Same series, other bin
Tongwei TWMNH-48HW475 vs Tongwei TWMNH-48HW460
3 differences, the largest is module efficiency
Same series, other bin
Tongwei TWMNH-48HW475 vs Tongwei TWMNH-48HW455
4 differences, the largest is module efficiency
Same manufacturer
Tongwei TWMNH-48HW475 vs Tongwei TWMNF-66HD750
14 differences, the largest is rated power
Same manufacturer
Tongwei TWMNH-48HW475 vs Tongwei TWMNF-66HD745
13 differences, the largest is rated power
Same manufacturer
Tongwei TWMNH-48HW475 vs Tongwei TWMNF-66HD740
12 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Tongwei TWMNH-48HW475 or Tongwei TWMNH-48HW470?
According to our database: Tongwei TWMNH-48HW475 has higher module efficiency (23.80% vs 23.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Tongwei TWMNH-48HW475 and Tongwei TWMNH-48HW470?
Tongwei TWMNH-48HW475 has a module efficiency of 23.80%, while Tongwei TWMNH-48HW470 is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Tongwei TWMNH-48HW475 use vs Tongwei TWMNH-48HW470?
Tongwei TWMNH-48HW475 uses N-type cells; Tongwei TWMNH-48HW470 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 Tongwei TWMNH-48HW475 and Tongwei TWMNH-48HW470?
Tongwei TWMNH-48HW475 has a 30 years power warranty; Tongwei TWMNH-48HW470 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 72 Tongwei 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.