Solitek Forza 650 vs Solitek SOLID Framed White 650W
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
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.
Forza 650
21,809 kWh
SOLID Framed White 650W
21,809 kWh
Lifetime gap
No difference
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
Forza 650
SOLID Framed White 650W
Standard test conditions
25 °C
100.0% of rated power
650 W
650 W
Cool, bright day
40 °C
95.5% of rated power
621 W
621 W
Typical summer roof
55 °C
91.0% of rated power
592 W
592 W
Hot roof
70 °C
86.5% of rated power
562 W
562 W
03
Full specification
Parameter
Forza 650
SOLID Framed White 650W
Difference
Power and efficiency
Rated power
650 Wp
650 Wp
Same
Module efficiency
22.97 %
22.97 %
Same
Power density
229.7 Wp/m²
229.7 Wp/m²
Same
Open-circuit voltage
44.28 V
44.28 V
Same
Voltage at max power
37.30 V
37.30 V
Same
Short-circuit current
18.48 A
18.48 A
Same
Current at max power
17.43 A
17.43 A
Same
Temperature
Temperature coefficient
-0.300 %/°C
-0.300 %/°C
Same
Mechanical
Dimensions
2172x1303x30 mm
2172x1303x30 mm
Same
Module area
2.830 m²
2.830 m²
Same
Weight
34.2 kg
34.2 kg
Same
Weight per kWp
52.6 kg/kWp
52.6 kg/kWp
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
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
120
120
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#2,237
vs
#2,237
Tied - the same position in the database
Power density
#2,160
vs
#2,160
Tied - the same position in the database
Heat behaviour
#6,093
vs
#6,093
Tied - the same position in the database
Weight
#6,240
vs
#6,240
Tied - the same position in the database
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#551
vs
#551
Tied - the same position in the database
05
Open the full database
More useful comparisons
Same series, other bin
Solitek
Solitek Forza 650 vs Solitek Forza 720
8 differences, the largest is rated power
Same series, other bin
Solitek
Solitek SOLID Framed White 650W vs Solitek SOLID Framed White 720W
8 differences, the largest is rated power
Same manufacturer
Solitek
Solitek Forza 650 vs Solitek Magnus 510
12 differences, the largest is rated power
Same manufacturer
Solitek
Solitek Forza 650 vs Solitek SOLID Framed Transparent 505
12 differences, the largest is module efficiency
Same manufacturer
Solitek
Solitek Forza 650 vs Solitek SOLRIF D Black 455
13 differences, the largest is rated power
Same manufacturer
Solitek
Solitek Forza 650 vs Solitek SOLID Semi-Clear Framed 455 W
13 differences, the largest is rated power
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Solitek Forza 650 or Solitek SOLID Framed White 650W?
According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solitek Forza 650 and Solitek SOLID Framed White 650W?
Solitek Forza 650 has a module efficiency of 22.97%, while Solitek SOLID Framed White 650 W is 22.97%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solitek Forza 650 use vs Solitek SOLID Framed White 650W?
Solitek Forza 650 uses TOPCon cells; Solitek SOLID Framed White 650 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 Solitek Forza 650 and Solitek SOLID Framed White 650W?
Solitek Forza 650 has a 30 years power warranty; Solitek SOLID Framed White 650 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 Solitek Forza 650 and Solitek SOLID Framed White 650W bifacial panels?
Both Solitek Forza 650 and Solitek SOLID Framed White 650 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 20 Solitek 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.