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385 vs 380 18 of 19 identical Swap Change panels

Waaree WSM-385 vs Waaree WSM-380

WSM-385
385 Wp 19.33 % PERC
Open panel page Datasheet PDF
VS
WSM-380
380 Wp 19.08 % PERC
Open panel page Datasheet PDF
The verdict

385 leads on the differences that matter

The largest is module efficiency: 0.25 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 385 380 Difference
Module efficiency 19.33 % 19.08 % 0.25 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 (-0.370 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
385
12,037 kWh
380
11,881 kWh
Lifetime gap
156 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 385 380
Standard test conditions 25 °C 100.0% of rated power 385 W 380 W
Cool, bright day 40 °C 94.5% of rated power 364 W 359 W
Typical summer roof 55 °C 88.9% of rated power 342 W 338 W
Hot roof 70 °C 83.3% of rated power 321 W 317 W
03

Full specification

Parameter 385 380 Difference
Power and efficiency
Rated power 385 Wp 380 Wp Effectively the same
Module efficiency 19.33 % 19.08 % +0.25 pp for 385
Power density 193.4 Wp/m² 190.9 Wp/m² Effectively the same
Open-circuit voltage 48.65 V 48.45 V Effectively the same
Voltage at max power 39.90 V 39.70 V Effectively the same
Short-circuit current 9.95 A 9.90 A Effectively the same
Current at max power 9.65 A 9.58 A Effectively the same
Temperature
Temperature coefficient -0.370 %/°C -0.370 %/°C Same
Mechanical
Dimensions 1985x1003x35 mm 1985x1003x35 mm Same
Module area 1.991 m² 1.991 m² Same
Weight 21.5 kg 21.5 kg Same
Weight per kWp 55.8 kg/kWp 56.6 kg/kWp Effectively the same
Warranty and degradation
Product warranty 10 yrs 10 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.70 %/yr 0.70 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 72 72 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#12,873 vs #13,013
385 leads by 140 places
Power density
#12,854 vs #12,990
385 leads by 136 places
Heat behaviour
#13,161 vs #13,161
Tied - the same position in the database
Weight
#10,314 vs #10,813
385 leads by 499 places
Warranty
#9,912 vs #9,912
Tied - the same position in the database
Overall
#12,857 vs #12,943
385 leads by 86 places
05

More useful comparisons

Open the full database
Same series, other bin
Waaree WSM-385 vs Waaree WSM-395
3 differences, the largest is module efficiency
Same series, other bin
Waaree WSM-385 vs Waaree WSM-390
One difference: module efficiency
Same series, other bin
Waaree WSM-385 vs Waaree WS-350
10 differences, the largest is module efficiency
Same series, other bin
Waaree WSM-385 vs Waaree WS-345
10 differences, the largest is module efficiency
Same series, other bin
Waaree WSM-385 vs Waaree WS-340
10 differences, the largest is module efficiency
Same series, other bin
Waaree WSM-385 vs Waaree WS-335
10 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Waaree WSM-385 or Waaree WSM-380?
According to our database: Waaree WSM-385 has higher module efficiency (19.33% vs 19.08%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Waaree WSM-385 and Waaree WSM-380?
Waaree WSM-385 has a module efficiency of 19.33%, while Waaree WSM-380 is 19.08%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Waaree WSM-385 use vs Waaree WSM-380?
Waaree WSM-385 uses PERC cells; Waaree WSM-380 uses PERC. 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 Waaree WSM-385 and Waaree WSM-380?
Waaree WSM-385 has a 25 years power warranty; Waaree WSM-380 has a 25 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 Waaree 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.