Hanersun HN21N-66HT745W vs Hanersun HN21N-66HT750W
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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
66HT745W
24,996 kWh
66HT750W
25,164 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
66HT745W
66HT750W
Standard test conditions
25 °C
100.0% of rated power
745 W
750 W
Cool, bright day
40 °C
95.8% of rated power
714 W
719 W
Typical summer roof
55 °C
91.6% of rated power
682 W
687 W
Hot roof
70 °C
87.4% of rated power
651 W
656 W
03
Full specification
Parameter
66HT745W
66HT750W
Difference
Power and efficiency
Rated power
745 Wp
750 Wp
Effectively the same
Module efficiency
24.00 %
24.10 %
Effectively the same
Power density
239.8 Wp/m²
241.4 Wp/m²
Effectively the same
Open-circuit voltage
50.00 V
50.20 V
Effectively the same
Voltage at max power
42.08 V
42.24 V
Effectively the same
Short-circuit current
18.70 A
18.74 A
Effectively the same
Current at max power
17.71 A
17.76 A
Effectively the same
Temperature
Temperature coefficient
-0.280 %/°C
-0.280 %/°C
Same
Mechanical
Dimensions
2384x1303x33 mm
2384x1303x33 mm
Same
Module area
3.106 m²
3.106 m²
Same
Weight
37.4 kg
37.4 kg
Same
Weight per kWp
50.2 kg/kWp
49.9 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
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
132
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#303
vs
#219
66HT750W leads by 84 places
Power density
#339
vs
#219
66HT750W leads by 120 places
Heat behaviour
#1,309
vs
#1,309
Tied - the same position in the database
Weight
#3,665
vs
#3,251
66HT750W leads by 414 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#98
vs
#73
66HT750W leads by 25 places
05
Open the full database
More useful comparisons
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21N-66HT740W
One difference: module efficiency
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21N-66HT735W
3 differences, the largest is module efficiency
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21RN-66QT670W
11 differences, the largest is module efficiency
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21RN-66QT665W
11 differences, the largest is rated power
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21RN-66QT660W
11 differences, the largest is rated power
Same series, other bin
Hanersun
Hanersun HN21N-66HT745W vs Hanersun HN21RN-66QT655W
10 differences, the largest is rated power
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Hanersun HN21N-66HT745W or Hanersun HN21N-66HT750W?
According to our database: Hanersun HN21N-66HT750 W has higher module efficiency (24.10% vs 24.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Hanersun HN21N-66HT745W and Hanersun HN21N-66HT750W?
Hanersun HN21N-66HT745 W has a module efficiency of 24.00%, while Hanersun HN21N-66HT750 W is 24.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Hanersun HN21N-66HT745W use vs Hanersun HN21N-66HT750W?
Hanersun HN21N-66HT745 W uses TOPCon cells; Hanersun HN21N-66HT750 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 Hanersun HN21N-66HT745W and Hanersun HN21N-66HT750W?
Hanersun HN21N-66HT745 W has a 30 years power warranty; Hanersun HN21N-66HT750 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 Hanersun HN21N-66HT745W and Hanersun HN21N-66HT750W bifacial panels?
Both Hanersun HN21N-66HT745 W and Hanersun HN21N-66HT750 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 19 Hanersun 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.