BYD NLBK-36-590 vs BYD NSBK-33-715
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
NLBK-36-590
NSBK-33-715
Difference
Rated power
590 Wp
715 Wp
125 W more power
Weight
32.0 kg
38.3 kg
6.3 kg lighter
Temperature coefficient
-0.300 %/°C
-0.278 %/°C
0.022 %/°C better in heat
Short-circuit current
14.63 A
18.23 A
3.60 A apart
Module area
2.583 m²
3.106 m²
0.523 m² apart
Open-circuit voltage
51.28 V
49.22 V
2.06 V apart
Current at max power
13.84 A
17.28 A
3.44 A apart
Cell count
144
132
12 cells apart
Dimensions
2278x1134x30 mm
2384x1303x33 mm
2278x1134x30 mm vs 2384x1303x33 mm
Voltage at max power
42.66 V
41.38 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
NLBK-36-590
19,796 kWh
NSBK-33-715
23,990 kWh
Lifetime gap
4,194 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
NLBK-36-590
NSBK-33-715
Standard test conditions
25 °C
100.0% of rated power
590 W
715 W
Cool, bright day
40 °C
95.5% of rated power
563 W
685 W
Typical summer roof
55 °C
91.0% of rated power
537 W
655 W
Hot roof
70 °C
86.5% of rated power
510 W
626 W
03
Full specification
Parameter
NLBK-36-590
NSBK-33-715
Difference
Power and efficiency
Rated power
590 Wp
715 Wp
+125 W for NSBK-33-715
Module efficiency
22.84 %
23.03 %
Effectively the same
Power density
228.4 Wp/m²
230.2 Wp/m²
Effectively the same
Open-circuit voltage
51.28 V
49.22 V
2.06 V apart
Voltage at max power
42.66 V
41.38 V
1.28 V apart
Short-circuit current
14.63 A
18.23 A
3.60 A apart
Current at max power
13.84 A
17.28 A
3.44 A apart
Temperature
Temperature coefficient
-0.300 %/°C
-0.278 %/°C
+0.022 %/°C for NSBK-33-715
Mechanical
Dimensions
2278x1134x30 mm
2384x1303x33 mm
2278x1134x30 mm vs 2384x1303x33 mm
Module area
2.583 m²
3.106 m²
0.523 m² apart
Weight
32.0 kg
38.3 kg
-6.3 kg for NLBK-36-590
Weight per kWp
54.2 kg/kWp
53.6 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
144
132
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#2,617
vs
#1,744
NSBK-33-715 leads by 873 places
Power density
#2,598
vs
#2,018
NSBK-33-715 leads by 580 places
Heat behaviour
#6,093
vs
#1,295
NSBK-33-715 leads by 4,798 places
Weight
#8,477
vs
#7,566
NSBK-33-715 leads by 911 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#3,762
vs
#664
NSBK-33-715 leads by 3,098 places
05
Open the full database
More useful comparisons
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36-600
3 differences, the largest is module efficiency
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36 600
8 differences, the largest is temperature coefficient
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36-595
The same specification on paper
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36 595
5 differences, the largest is temperature coefficient
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36 590
5 differences, the largest is temperature coefficient
Same series, other bin
BYD
BYD NLBK-36-590 vs BYD NLBK-36-585
The same specification on paper
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: BYD NLBK-36-590 or BYD NSBK-33-715?
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 NLBK-36-590 and BYD NSBK-33-715?
BYD NLBK-36-590 has a module efficiency of 22.84%, while BYD NSBK-33-715 is 23.03%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does BYD NLBK-36-590 use vs BYD NSBK-33-715?
BYD NLBK-36-590 uses TOPCon cells; BYD NSBK-33-715 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 NLBK-36-590 and BYD NSBK-33-715?
BYD NLBK-36-590 has a 30 years power warranty; BYD NSBK-33-715 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 NLBK-36-590 and BYD NSBK-33-715 bifacial panels?
Both BYD NLBK-36-590 and BYD NSBK-33-715 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.