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Polycrystalline solar is made by pouring molten silicon into a cast. However, because of this construction method, the crystal structure will form imperfectly, creating boundaries where the crystal formation breaks. This gives the polycrystalline silicon its distinctive, grainy appearance, as the gemstone type pattern highlights the boundaries in the crystal.
Because of these impurities in the crystal, polycrystalline silicon is less efficient when compared with monocrystalline. However, this manufacturing process uses less energy and materials, giving it a significant cost advantage over monocrystalline silicon. (Polycrystalline and multicrystalline are often synonyms, but multicrystalline is often meant to refer to silicon with crystallites larger than 1 mm.)
Module Wattage | Module Size | Voc (V) | Vmp (V) | Isc (A) | Imp (A) | System Voltage |
---|---|---|---|---|---|---|
10 Wp | 285 X 350 X 22 mm | 23.07 | 19.76 | 0.74 | 0.7 | 12 V |
20 Wp | 410 x 350 x 22 mm | 23.06 | 19.69 | 1.33 | 1.23 | 12 V |
25Wp | 480 x 550 x 35 mm | 23.07 | 19.74 | 1.45 | 1.38 | 12 V |
25Wp | 550 x 350 x 35 mm | 23.07 | 19.71 | 1.45 | 1.38 | 12 V |
40 Wp | 450 x 670 x 35 mm | 23.02 | 19.55 | 2.22 | 2.1 | 12 V |
50 Wp | 550 x 670 x 35 mm | 23.05 | 19.7 | 2.97 | 2.8 | 12 V |
60Wp | 590 x 670 x 35 mm | 23.08 | 19.63 | 3.34 | 3.15 | 12 V |
80 Wp | 800 x 670 x 35 mm | 23.06 | 19.69 | 4.45 | 4.21 | 12 V |
110 Wp | 1050x670 x 35 mm | 23.09 | 19.51 | 5.94 | 5.61 | 12 V |
125 Wp | 1200x670 x 35 mm | 23.08 | 19.68 | 6.68 | 6.31 | 12 V |
170 Wp | 1485x670 x 35 mm | 23.1 | 19.67 | 8.91 | 8.42 | 12 V |
275 Wp - 60 cells | 1640x992 x 40 mm | 38.39 | 32.89 | 8.9 | 8.45 | 24 V / On grid |
275 Wp-72 cells | 1640x992 x 35 mm | 46.15 | 39.49 | 7.4 | 7.01 | 24 V / On grid |
340 Wp - 72 cells | 1955x992 x 40 mm | 46.18 | 39.54 | 8.9 | 8.45 | 24 V / On grid |
Module Wattage | Module Size | Voc (V) | Vmp (V) | Isc (A) | Imp (A) | System Voltage |
250 Wp - 12 V | 1490x992 x 35 mm | 23.039 | 19.58 | 13.36 | 12.62 | 12 V |
275 Wp - 12 V | 1640x992 x 40 mm | 23.04 | 19.63 | 14.8 | 14.02 | 12 V |
340 Wp - 12 V | 1955x992 x 40 mm | 23.07 | 19.91 | 17.8 | 16.9 | 12 V |
Module Wattage | Module Size | Voc (V) | Vmp (V) | Isc (A) | Imp (A) | System Voltage |
170 Wp-72Cells Pumping | 1485X670X 35 mm | 46.19 | 39.52 | 4.45 | 4.21 | 24/ On Grid /Pumping |
250 Wp - 72 cells Pumping | 1490x992x35 mm | 46.2 | 39.52 | 6.68 | 6.31 | 24/ On Grid /Pumping |
250 Wp-60 cells Pumping | 1490x992 x 35 mm | 38.41 | 32.94 | 7.71 | 7.28 | 24/ On Grid /Pumping |