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JT710SLkB vs JT700SLkB 15 of 18 identical Swap Change panels

Haitai Solar JT710SLkB vs Haitai Solar JT700SLkB

Haitai Solar JT710SLkB
Haitai Solar
JT710SLkB
710 Wp 22.90 % HJT Bifacial Incomplete
Open panel page Datasheet PDF
VS
Haitai Solar JT700SLkB
Haitai Solar
JT700SLkB
700 Wp 22.50 % HJT Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

JT710SLkB leads on the differences that matter

The largest is module efficiency: 0.40 pp more efficient. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 3 differences
How alike are they
15 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

3 of 18 parameters
Parameter JT710SLkB JT700SLkB Difference
Module efficiency 22.90 % 22.50 % 0.40 pp more efficient
Power density 228.6 Wp/m² 225.3 Wp/m² 3.2 Wp/m² higher
Rated power 710 Wp 700 Wp 10 W more power
02

What it means on a roof

Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.240 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
JT710SLkB
23,822 kWh
JT700SLkB
23,486 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JT710SLkB JT700SLkB
Standard test conditions 25 °C 100.0% of rated power 710 W 700 W
Cool, bright day 40 °C 96.4% of rated power 684 W 675 W
Typical summer roof 55 °C 92.8% of rated power 659 W 650 W
Hot roof 70 °C 89.2% of rated power 633 W 624 W
03

Full specification

Parameter JT710SLkB JT700SLkB Difference
Power and efficiency
Rated power 710 Wp 700 Wp +10 W for JT710SLkB
Module efficiency 22.90 % 22.50 % +0.40 pp for JT710SLkB
Power density 228.6 Wp/m² 225.3 Wp/m² +3.2 Wp/m² for JT710SLkB
Open-circuit voltage 50.30 V 50.00 V Effectively the same
Voltage at max power 42.40 V 42.10 V Effectively the same
Short-circuit current 17.55 A 17.43 A Effectively the same
Current at max power 16.75 A 16.63 A Effectively the same
Temperature
Temperature coefficient -0.240 %/°C -0.240 %/°C Same
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 37.3 kg 37.3 kg Same
Weight per kWp 52.5 kg/kWp 53.3 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology HJT HJT Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#2,412 vs #4,281
JT710SLkB leads by 1,869 places
Power density
#2,529 vs #4,048
JT710SLkB leads by 1,519 places
Heat behaviour
#13 vs #13
Tied - the same position in the database
Weight
#6,197 vs #7,235
JT710SLkB leads by 1,038 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#579 vs #950
JT710SLkB leads by 371 places
05

More useful comparisons

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12 differences, the largest is temperature coefficient
06

Written summary

07

Questions about this pairing

Which panel is better: Haitai Solar JT710SLkB or Haitai Solar JT700SLkB?
According to our database: Haitai Solar JT710SLkB has higher module efficiency (22.90% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Haitai Solar JT710SLkB and Haitai Solar JT700SLkB?
Haitai Solar JT710SLkB has a module efficiency of 22.90%, while Haitai Solar JT700SLkB is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Haitai Solar JT710SLkB use vs Haitai Solar JT700SLkB?
Haitai Solar JT710SLkB uses HJT cells; Haitai Solar JT700SLkB uses HJT. 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 Haitai Solar JT710SLkB and Haitai Solar JT700SLkB?
Haitai Solar JT710SLkB has a 30 years power warranty; Haitai Solar JT700SLkB 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 Haitai Solar JT710SLkB and Haitai Solar JT700SLkB bifacial panels?
Both Haitai Solar JT710SLkB and Haitai Solar JT700SLkB 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.