French manufacturer of off-grid solar products : photovoltaic modules, charge controllers, invertors 12V / 230V.
Reference : 1238
55W - 12V BACK CONTACT SOLAR PANEL
The UNISUN 55.12BC solar panel, with back contact technology, disposes of all the surface of the cell to absorb the light energy (electric contact at the back of the cells). At equal power, thanks to their higher efficiency (power/surface ratio), the UNISUN 55.12BC panel offers the advantage of being more compact and are therefore ideal for uses where space and weight are important.
Upgradable for more power, connecting them in series or parallel is facilitated thanks to their quick solar connectors.
| Technology | Back contact | Temperature of functioning | -40°C > +85°C |
| Maximum voltage (Pm) | 55 W | NOCT/ TUC** | 45±2°C |
| Voltage tolerance | 0/+3 % | Temperature coefficient - Pm | -0.3 %/°C |
| Operating voltage | 12 V | Temperature Coefficient - Voc | -0.28 %/°C |
| Voltage at maximum power(Vmp) | 18.6 V | Temperature Coefficient - Icc | 0.05 %/°C |
| Intensity at maximum power (Imp) | 2.96 A | Cells dimension | 125 x 62.5 mm |
| No-load voltage (Voc) | 21.8 V | Number of cells | 32 (4x8) |
| Intensity in short circuit (Icc/Isc) | 3.13 A | Module dimension | 550 x 550 x 35 mm |
| Controller minimum intensity (=Imp +25%) | 3.91 A | Cable length | <900>mm |
| Cells efficiency | 23.8 % | Module weight | 3.8 kg |
| Modules efficiency | 18.18 % |
