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Jetion Brand review

JT615SRt(B)

615 Wp TOPCon Bifacial 85%
ComparePV verdict

Middle of its segment, needs the roof space

Rank 3,909 of 14,129
Compare panels Datasheet PDF
Power (Wp)
615
Typical for its class
Efficiency (%)
22.00
Weak · bottom 7%
Density (Wp/m²)
220.0
Weak · bottom 6%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
34.0
Weak · 1.2 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The Jetion JT SRt(B) 610-640W series consists of bifacial photovoltaic modules built on N-Type TOPCon cells, combining high conversion efficiency with low power degradation over the module's operating lifetime. The half-cut cell design reduces resistive losses and improves the panel's resilience to partial shading, resulting in more stable energy output under real-world installation conditions. The defining feature of this series is its bifacial construction in a glass-glass configuration, allowing the module to also capture light reflected off the ground and generate additional energy yield without increasing the installation footprint - a solution especially attractive for ground-mounted systems, utility-scale PV farms, and sites with bright or reflective surroundings. A reinforced frame combined with dual-glass encapsulation delivers strong mechanical resistance to snow and wind loads, while the sealed IP68 construction protects against moisture and contaminants even in demanding climates. JT SRt(B) modules are well suited for industrial and commercial installations as well as larger prosumer systems, where maximizing return per square meter of roof or ground space is a priority. Compatibility with system voltages up to 1500V allows these panels to integrate easily with modern inverters and mounting structures, helping lower BoS costs and shorten project deployment time.

Ranking

1,085 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.00% 22.80% Weak · bottom 7% 6,580
Power density 220.0 227.7 Weak · bottom 6% 6,719
Temperature coefficient -0.290 -0.290 Typical 2,220
Weight per kWp 55.3 53.1 Weak · bottom 13% 9,809
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Commercial, utility-scale and shaded-installations.

Not ideal for

Roofs where every square metre has to count, tight roof space and weight-limited structures.

Watch-outs
220.0 watts per square metre

Bottom 6% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 6,719th in the whole database.

22.00% module efficiency

Bottom 7% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 6,580th in the whole database.

55.3 kg per kWp

Bottom 13% of the TOPCon 600-650 W segment, against a median of 53.1.

What owners get
N-Type TOPCon cells in bifacial design

Combining TOPCon technology with a glass-glass layout allows the module to capture light reflected from the ground surface, boosting energy yield without increasing footprint. Especially effective for ground-mount PV farms and installations with bright surroundings.

30-year linear power warranty

The manufacturer guarantees power retention over 30 years, a premium standard among modern TOPCon modules that translates into lower LCOE over the module's lifetime compared to 25-year warranties on older PERC generations.

Tier-1 bankability per BloombergNEF

Jetion Solar, operating since 2004, is listed on the BNEF Tier 1 list, which facilitates project financing by banking institutions and reduces risk for large commercial investments.

1500V system compatibility and IP68 sealing

Support for up to 1500V system voltage lowers BoS costs and speeds up integration with modern inverters, while IP68 ingress protection ensures resistance to moisture and contamination in harsh climates.

Half-cut cells and reinforced frame

Half-cut cell technology reduces resistive losses and improves partial-shading tolerance, while the reinforced frame increases mechanical resistance to snow and wind loads - key for industrial and commercial installations.

Trade-offs
Efficiency below top-tier peers

The maximum efficiency of 22.9% trails competing 640W series such as Hanersun Hitouch 6N (23.3%) and Luxen LUXPOWER N5 (23.14%). At equal panel area this translates to slightly lower power output per square meter.

Notes from the database
  • At 22.0% efficiency, this panel is 0.8pp below the TOPCon 600-650W median of 22.8%
  • At 220.0 W/m², this panel generates 7.7 W/m² less per unit area than TOPCon 600-650W median (227.7 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 600-650W median
  • At 34.0 kg, this panel is 1.2 kg heavier than the TOPCon 600-650W median (32.8 kg) - more demanding for installation crews
  • Bifaciality factor of 85% can add 4-13% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 615 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.00 % Weak Segment median 22.80%
Vmpp · Impp 45.66 V · 13.47 A Operating point at max power
Voc · Isc 55.23 V · 14.23 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2465×1134×30 mm · 2.80 m² of roof
Weight 34.0 kg Weak Weak · 1.2 kg above median
Cells 156 · TOPCon Monocrystalline
Bifaciality 85 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.240 · 0.045 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 538 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Jetion in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 615 Wp appear here. The rest cover the whole series.

CNBM Jusheng Linear Performance Warranty – Added Value CNBM Jusheng Linear Performance Warranty – Added Value Whole series JT610SRt(B) I-V Curves at Different Irradiance Levels JT610SRt(B) I-V Curves at Different Irradiance Levels Whole series JT610SRt(B) I-V Curves at Different Temperatures JT610SRt(B) I-V Curves at Different Temperatures Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Jetion JT615SRt(B) 615 W 22.00% -0.290 34.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +35 W, lighter, +3.2 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +30 W, lighter, +3.0 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +2.8 pp
LR8-66HVD-665M 665 W 24.62% -0.260 33.5 kg +50 W, cooler, +2.6 pp
JKM650-670N-66QL6-BDV (665W class) 665 W 24.62% -0.260 32.5 kg +50 W, cooler, +2.6 pp
HY665-B144DSS 665 W 24.62% -0.260 27.6 kg +50 W, lighter, +2.6 pp
SPDG665-BC132R12 665 W 24.62% -0.260 33.5 kg +50 W, cooler, +2.6 pp
JT610SRt(B) 610 W 21.80% -0.290 34.0 kg Very close match
JT620SRt(B) 620 W 22.20% -0.290 34.0 kg Very close match
JT625SRt(B) 625 W 22.40% -0.290 34.0 kg +10 W, +0.4 pp
JT630SRt(B) 630 W 22.50% -0.290 34.0 kg +15 W, +0.5 pp
JT635SRt(B) 635 W 22.70% -0.290 34.0 kg +20 W, +0.7 pp
JT640SRt(B) 640 W 22.90% -0.290 34.0 kg +25 W, +0.9 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +65 W, lighter, +3.2 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +60 W, lighter, +3.0 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +85 W, cooler, +3.0 pp

Found 616 panels of the same or similar size to this one, within ±10 mm. See them here Found 616 panels of the same or similar size to this one, within ±25 mm. See them here Found 616 panels of the same or similar size to this one, within ±50 mm. See them here Found 1838 panels of the same or similar size to this one, within ±100 mm. See them here

About the JT SRt(B) 610-640W series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

How does N-Type TOPCon technology in Jetion JT SRt(B) panels differ from classic PERC cells?
N-Type TOPCon cells offer higher conversion efficiency and lower power degradation over time compared to the previously dominant PERC cells. In practice, this means higher energy yield from the same surface area and more stable output after many years of operation, which directly affects investment payback given the 30-year power warranty.
Does the bifacial design of Jetion JT SRt(B) panels deliver a real increase in energy production?
Yes, the glass-glass construction allows the panel to also capture light reflected from the ground beneath it. The additional yield depends on the surroundings - ground-mounted installations and PV farms on bright or reflective surfaces, such as gravel or white membrane, benefit the most. This gain comes without increasing the installed footprint, only proper mounting height above ground.
What type of installations are Jetion JT SRt(B) panels with up to 640 Wp best suited for?
The high power output of up to 640 Wp combined with the bifacial design makes this series primarily suited for industrial, commercial, and larger prosumer systems as well as PV farms, where maximizing production per square meter of roof or ground is critical, rather than small residential installations on pitched roofs.
What warranty comes with Jetion JT SRt(B) 610-640W panels?
The manufacturer provides a 12-year product warranty and a 30-year power output warranty. This means that after 30 years, the panel should still generate the guaranteed percentage of its initial power as specified in the datasheet, which is a standard for modern modules using N-Type TOPCon cells.
Are Jetion JT SRt(B) panels compatible with 1500V inverter systems?
Yes, modules in this series are compatible with systems up to 1500V, allowing them to be connected in longer strings and reducing the number of inverters and cabling required. This lowers BoS (Balance of System) costs and shortens project completion time, especially in large-scale installations.
Are Jetion JT SRt(B) panels resistant to harsh weather conditions such as snow and moisture?
Yes, the reinforced frame and glass casing on both sides provide high mechanical strength against snow and wind loads. Additionally, the IP68-rated sealed construction protects the module's interior from moisture and contamination, which is important for installations in demanding climates.
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