ReneSola 305 Watt Poly Solar Panel

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Quick Overview

High Module Conversion Efficiencies

Easy Installation and Handling

Mechanical Load Capability of up to 5400 Pa

Conforms with IEC 61215:2005, IEC 61730: 2004, UL 1703 PV Standards

ReneSola 305 Watt Poly Solar Panel

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Electrical Characteristics STC

Maximum Power (Pmax) 305 W
Power Tolerance 0 ~ +5W
Module Efficiency 15.7%
Maximum Power Current (Imp) 8.33 A
Maximum Power Voltage (Vmp) 36.6 V
Short Circuit Current (Isc) 8.73 A
Open Circuit Voltage (Voc) 44.9 V

Values at Standard Test Conditions STC (Air Mass AM 1.5, Irradiance 1000W/m², Cell Temperature 25°C)

Electrical Characteristics NOCT

Maximum Power (Pmax) 226 W
Maximum Power Current (lmp) 6.72 A
Maximum Power Voltage (Vmp) 33.6 V
Short Circuit Current (lsc) 7.04 A
Open Circuit Voltage (Voc) 42.0 V

Values at Normal Operating Cell Temperature, Irradiance of 800 W/m², spectrum AM 1.5, ambient temperature 20°C, wind speed 1 m/s

Varied Irradiation Efficiencies

Irradiance 200W/m² 400W/m² 600W/m² 800W/m² 1000W/m²
Efficiency 15.8% 16.2% 16.2% 16.1% 16.0%


Mechanical Characteristics

Cell Type 156 x156 mm Polycrystalline, 72 (6x12) pcs in series
Glass High Transmission, Low Iron, Tempered Glass
Frame Anodized Aluminum Alloy
Junction Box IP65/IP67 rated, with bypass diodes
Dimensions 1956 x 992 x 50 mm (77 x 39.06 x 1.97 inches)
Output Cable 4mm² (EU)/12 AWG (US), 1000mm

29kg (63.93 lbs)



Temperature Coefficient of Voc -0.30%/°C
Temperature Coefficient of Isc 0.04%/°C
Temperature Coefficient of Pmax -0.40%/°C
Nominal Operating Cell Temperature (NOCT) 45°C ± 2°C


Maximum Ratings

Operating Temperature -40°C ~ +85°C
Maximum System Voltage 1000VDC (EU) / 600VDC (US)
Maximum Series Fuse Rating 20A (EU) / 15A (US)


IV Curves

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