Waaree WS-350 vs Waaree WSM-395
VS
The verdict
WSM-395 leads on the differences that matter
The largest is module efficiency: 2.26 pp more efficient. 8 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 10 differencesHow alike are they
8
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
10 of 18 parameters
What actually differs
Parameter
WS-350
WSM-395
Difference
Module efficiency
17.57 %
19.83 %
2.26 pp more efficient
Rated power
350 Wp
395 Wp
45 W more power
Power density
175.8 Wp/m²
198.4 Wp/m²
22.6 Wp/m² higher
Weight per kWp
61.4 kg/kWp
54.4 kg/kWp
7.0 kg/kWp lighter
Temperature coefficient
-0.386 %/°C
-0.370 %/°C
0.016 %/°C better in heat
Open-circuit voltage
47.10 V
49.05 V
1.95 V apart
Short-circuit current
9.45 A
10.12 A
0.67 A apart
Cell type
Polycrystalline
Monocrystalline
Polycrystalline vs Monocrystalline
Current at max power
9.00 A
9.81 A
0.81 A apart
Voltage at max power
38.90 V
40.28 V
1.38 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
WS-350
11,006 kWh
WSM-395
12,350 kWh
Lifetime gap
1,344 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
WS-350
WSM-395
Standard test conditions
25 °C
100.0% of rated power
350 W
395 W
Cool, bright day
40 °C
94.2% of rated power
330 W
373 W
Typical summer roof
55 °C
88.4% of rated power
309 W
351 W
Hot roof
70 °C
82.6% of rated power
289 W
329 W
03
Full specification
Parameter
WS-350
WSM-395
Difference
Power and efficiency
Rated power
350 Wp
395 Wp
+45 W for WSM-395
Module efficiency
17.57 %
19.83 %
+2.26 pp for WSM-395
Power density
175.8 Wp/m²
198.4 Wp/m²
+22.6 Wp/m² for WSM-395
Open-circuit voltage
47.10 V
49.05 V
1.95 V apart
Voltage at max power
38.90 V
40.28 V
1.38 V apart
Short-circuit current
9.45 A
10.12 A
0.67 A apart
Current at max power
9.00 A
9.81 A
0.81 A apart
Temperature
Temperature coefficient
-0.386 %/°C
-0.370 %/°C
+0.016 %/°C for WSM-395
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
61.4 kg/kWp
54.4 kg/kWp
-7.0 kg/kWp for WSM-395
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
Not published by Waaree
Cell type
Polycrystalline
Monocrystalline
Polycrystalline vs Monocrystalline
Cell count
72
72
Same
Bifacial
No
No
Same
04
14,129 panels
Against the whole database
Efficiency
#13,435
vs
#12,497
WSM-395 leads by 938 places
Power density
#13,416
vs
#12,472
WSM-395 leads by 944 places
Heat behaviour
#13,565
vs
#13,161
WSM-395 leads by 404 places
Weight
#12,739
vs
#8,811
WSM-395 leads by 3,928 places
Warranty
#9,912
vs
#9,912
Tied - the same position in the database
Overall
#13,359
vs
#12,611
WSM-395 leads by 748 places
05
Open the full database
More useful comparisons
Same series, other bin
Waaree WS-350 vs Waaree WSM-390
10 differences, the largest is module efficiency
Same series, other bin
Waaree WS-350 vs Waaree WSM-385
10 differences, the largest is module efficiency
Same series, other bin
Waaree WS-350 vs Waaree WSM-380
8 differences, the largest is module efficiency
Same series, other bin
Waaree WS-350 vs Waaree WS-345
One difference: module efficiency
Same series, other bin
Waaree WS-350 vs Waaree WS-340
3 differences, the largest is module efficiency
Same series, other bin
Waaree WS-350 vs Waaree WS-335
4 differences, the largest is module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Waaree WS-350 or Waaree WSM-395?
According to our database: Waaree WSM-395 has higher module efficiency (19.83% vs 17.57%); Waaree WSM-395 tolerates heat better (temp coeff -0.370%/°C vs -0.386%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Waaree WS-350 and Waaree WSM-395?
Waaree WS-350 has a module efficiency of 17.57%, while Waaree WSM-395 is 19.83%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Waaree WS-350 use vs Waaree WSM-395?
Waaree WS-350 uses Polycrystalline cells; Waaree WSM-395 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 WS-350 and Waaree WSM-395?
Waaree WS-350 has a 25 years power warranty; Waaree WSM-395 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.