In productionFLOWSAR
FLOWSAR-44 HJT PV Module
400–410 W
- HJT
- Bifacial
- 44 cells
- up to 15.2 %
2382 × 1134 × 30 mm
View module375–385 W
Dual-glass TOPCon module from 375 to 385 W with up to 40 % light transmittance for greenhouse roofs.

Up to 50 % on request, to suit the crops.
High resistance to humidity and PID in a greenhouse climate.
−0.353 %/°C at full power.
30-year linear warranty, 88 % power after 30 years.
15-year product warranty and 30-year linear power warranty.
| Years | FLOWSAR-48 · Power output (%) |
|---|---|
| 0 | 100 |
| 1 | 99 |
| 10 | 95.6 |
| 25 | 90 |
| 30 | 88 |
| Voltage (V) | 1000 W/m² · Current (A) | 800 W/m² · Current (A) | 600 W/m² · Current (A) | 400 W/m² · Current (A) | 200 W/m² · Current (A) |
|---|---|---|---|---|---|
| 0 | 13.67 | 11 | 8.26 | 5.73 | 3.11 |
| 6 | 13.67 | 11.01 | 8.26 | 5.73 | 3.11 |
| 12 | 13.67 | 11.02 | 8.26 | 5.73 | 3.11 |
| 18 | 13.67 | 11.01 | 8.26 | 5.73 | 3.11 |
| 24 | 13.64 | 10.94 | 8.25 | 5.7 | 3.04 |
| 25.5 | 13.45 | 10.71 | 8.06 | 5.52 | 2.84 |
| 27 | 13.12 | 10.33 | 7.7 | 5.11 | 2.46 |
| 28.5 | 12.4 | 9.57 | 6.88 | 4.36 | 1.78 |
| 30 | 11.03 | 8.15 | 5.32 | 2.96 | 0.44 |
| 31 | 9.37 | 6.37 | 3.58 | 1.09 | – |
| 32 | 6.31 | 3.1 | 0.64 | – | – |
| 32.78 | 2.47 | 0 | – | – | – |
| Voltage (V) | 1000 W/m² · Power (W) | 800 W/m² · Power (W) | 600 W/m² · Power (W) | 400 W/m² · Power (W) | 200 W/m² · Power (W) |
|---|---|---|---|---|---|
| 0 | 0.76 | 0 | 0 | 1.56 | 0.6 |
| 6 | 89.39 | 73.36 | 56.26 | 36.56 | 16.49 |
| 12 | 175.55 | 144.8 | 111.16 | 73.59 | 32.9 |
| 18 | 257.15 | 211.92 | 161.81 | 108.96 | 47.89 |
| 24 | 329.2 | 268.13 | 202.14 | 139.7 | 58.32 |
| 25.5 | 342.85 | 273.01 | 205.05 | 142.79 | 56.97 |
| 27 | 352.44 | 272.14 | 202.72 | 137.73 | 51.67 |
| 28.5 | 348.19 | 259.36 | 185.3 | 120.72 | 39.9 |
| 30 | 317.88 | 220.19 | 136.4 | 77.71 | 11.47 |
| 31 | 256.43 | 162.39 | 89.46 | 27.31 | – |
| 32 | 157.91 | 77.43 | 16.09 | – | – |
| 32.78 | 74.05 | 0 | – | – | – |
| Voltage (V) | 10 °C · Current (A) | 25 °C · Current (A) | 40 °C · Current (A) | 55 °C · Current (A) | 70 °C · Current (A) |
|---|---|---|---|---|---|
| 0 | 13.67 | 13.76 | 13.88 | 13.94 | 14.01 |
| 6 | 13.67 | 13.76 | 13.88 | 13.94 | 14.01 |
| 12 | 13.67 | 13.76 | 13.88 | 13.94 | 14.01 |
| 18 | 13.67 | 13.76 | 13.88 | 13.94 | 14.01 |
| 23.25 | 13.67 | 13.72 | 13.74 | 13.59 | 13.37 |
| 24.75 | 13.62 | 13.58 | 13.5 | 13.17 | 12.62 |
| 26.25 | 13.51 | 13.32 | 12.98 | 12.31 | 11.23 |
| 27.75 | 13.18 | 12.74 | 12.02 | 10.7 | 8.38 |
| 29.25 | 12.54 | 11.67 | 10.17 | 7.2 | 1.89 |
| 31 | 11.07 | 9.1 | 4.98 | – | – |
| 33.14 | 6.13 | 0.03 | – | – | – |
CE markingDeclarationEN IEC 61730-1/-2The module meets the EU requirements for electrical safety (Directive 2014/35/EU, EN IEC 61730).
REACHComplianceThe materials comply with Regulation (EC) No 1907/2006 (REACH) on chemicals.
ISO 9001, ISO 14001, ISO 45001InformationISO 9001, ISO 14001, ISO 45001The modules are made under quality, environmental and occupational safety management systems certified to ISO 9001, ISO 14001 and ISO 45001.| Cell type | TOPCon, N-type |
|---|---|
| Cell arrangement | 96 half-cells (48 × 2) |
| Dimensions (L × W × H) | 2278 × 1134 × 30 mm |
| Weight | 31 kg |
| Front glass | 2.0 mm high-transmittance tempered glass with anti-reflective coating (or custom) |
| Rear glass | 2.0 mm heat-strengthened glass |
| Frame | Anodised aluminium alloy |
| Junction box | IP68, 3 bypass diodes |
| Cable cross-section | 4.0 mm² |
| Cable length | +300 / −300 mm or ±1400 mm, or custom |
| Wind / snow load | Wind 2400 Pa / snow 5400 Pa |
| Temperature coefficient of Pmax | -0.353 %/°C |
|---|---|
| Temperature coefficient of Voc | -0.272 %/°C |
| Temperature coefficient of Isc | +0.026 %/°C |
| Nominal module operating temperature (NMOT) | 45 ± 2 °C |
| Operating temperature | −40 … +85 °C |
|---|---|
| Maximum system voltage | 1500 V DC |
| Maximum series fuse rating | 30 A |
| Power tolerance | 0 … +3 % |
| Modules per pallet | 36 pcs |
|---|---|
| Modules per 40' HQ container | 720 pcs |
Anodised aluminium frame shared by all framed VESS modules. Grounding holes 4 × Ø4 mm.
Profile: height 30 mm, long side 28 mm, short side 15 mm. Mounting holes in the rear flange of the long sides, spacing: 1400, 990 and 400 mm.

In production400–410 W
2382 × 1134 × 30 mm
View module
Coming soon285–295 W
1762 × 1134 × 30 mm
View module
Coming soon325–335 W
1960 × 1134 × 30 mm
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