BYD NSBK-33-715 vs BYD NLBK-36-590
VS
The verdict
NSBK-33-715 leads on the differences that matter
The largest is rated power: 125 W more power. 9 of 19 comparable parameters are identical.
See all 10 differencesHow alike are they
9
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
10 of 19 parameters
What actually differs
Parameter
NSBK-33-715
NLBK-36-590
Difference
Rated power
715 Wp
590 Wp
125 W more power
Weight
38.3 kg
32.0 kg
6.3 kg lighter
Temperature coefficient
-0.278 %/°C
-0.300 %/°C
0.022 %/°C better in heat
Short-circuit current
18.23 A
14.63 A
3.60 A apart
Module area
3.106 m²
2.583 m²
0.523 m² apart
Open-circuit voltage
49.22 V
51.28 V
2.06 V apart
Current at max power
17.28 A
13.84 A
3.44 A apart
Cell count
132
144
12 cells apart
Dimensions
2384x1303x33 mm
2278x1134x30 mm
2384x1303x33 mm vs 2278x1134x30 mm
Voltage at max power
41.38 V
42.66 V
1.28 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
NSBK-33-715
23,990 kWh
NLBK-36-590
19,796 kWh
Lifetime gap
4,194 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
NSBK-33-715
NLBK-36-590
Standard test conditions
25 °C
100.0% of rated power
715 W
590 W
Cool, bright day
40 °C
95.5% of rated power
685 W
563 W
Typical summer roof
55 °C
91.0% of rated power
655 W
537 W
Hot roof
70 °C
86.5% of rated power
626 W
510 W
03
Full specification
Parameter
NSBK-33-715
NLBK-36-590
Difference
Power and efficiency
Rated power
715 Wp
590 Wp
+125 W for NSBK-33-715
Module efficiency
23.03 %
22.84 %
Effectively the same
Power density
230.2 Wp/m²
228.4 Wp/m²
Effectively the same
Open-circuit voltage
49.22 V
51.28 V
2.06 V apart
Voltage at max power
41.38 V
42.66 V
1.28 V apart
Short-circuit current
18.23 A
14.63 A
3.60 A apart
Current at max power
17.28 A
13.84 A
3.44 A apart
Temperature
Temperature coefficient
-0.278 %/°C
-0.300 %/°C
+0.022 %/°C for NSBK-33-715
Mechanical
Dimensions
2384x1303x33 mm
2278x1134x30 mm
2384x1303x33 mm vs 2278x1134x30 mm
Module area
3.106 m²
2.583 m²
0.523 m² apart
Weight
38.3 kg
32.0 kg
-6.3 kg for NLBK-36-590
Weight per kWp
53.6 kg/kWp
54.2 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
12 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
144
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#1,744
vs
#2,617
NSBK-33-715 leads by 873 places
Power density
#2,018
vs
#2,598
NSBK-33-715 leads by 580 places
Heat behaviour
#1,295
vs
#6,093
NSBK-33-715 leads by 4,798 places
Weight
#7,566
vs
#8,477
NSBK-33-715 leads by 911 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#664
vs
#3,762
NSBK-33-715 leads by 3,098 places
05
Open the full database
More useful comparisons
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-720
The same specification on paper
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-710
The same specification on paper
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-705
3 differences, the largest is module efficiency
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-700
3 differences, the largest is module efficiency
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-695
3 differences, the largest is module efficiency
Same series, other bin
BYD
BYD NSBK-33-715 vs BYD NSBK-33-690
5 differences, the largest is module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: BYD NSBK-33-715 or BYD NLBK-36-590?
According to our database: BYD NSBK-33-715 has higher module efficiency (23.03% vs 22.84%); BYD NSBK-33-715 tolerates heat better (temp coeff -0.278%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of BYD NSBK-33-715 and BYD NLBK-36-590?
BYD NSBK-33-715 has a module efficiency of 23.03%, while BYD NLBK-36-590 is 22.84%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does BYD NSBK-33-715 use vs BYD NLBK-36-590?
BYD NSBK-33-715 uses TOPCon cells; BYD NLBK-36-590 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 BYD NSBK-33-715 and BYD NLBK-36-590?
BYD NSBK-33-715 has a 30 years power warranty; BYD NLBK-36-590 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 BYD NSBK-33-715 and BYD NLBK-36-590 bifacial panels?
Both BYD NSBK-33-715 and BYD NLBK-36-590 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.
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.