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Model JC-305-60M/MH | Monocrystalline Cell Technology | 60 Full-Size Cells | Monofacial | 1500V System Voltage
The Jiacheng Solar JC-305-60M/MH 305W monocrystalline solar panel delivers reliable power with compact dimensions and a robust build. This 60 cell module is engineered for residential and commercial rooftop projects where efficiency and durability matter. A nominal maximum power output of 305 watts is provided, with a panel efficiency of 18.75 percent under standard test conditions. The module sits within a versatile power range from 300 to 320 watts, which supports flexible array designs. Clean aesthetics are ensured by its tempered, anti reflection coated glass and anodized aluminium frame. The JC-305-60M/MH panel is designed for harsh sites with an operating temperature range from minus 40 to 85 degrees Celsius. Power performance is backed by a linear power warranty extending up to twenty five years. This JC Solar module suits grid tied systems, off grid setups and hybrid installations that demand long term output stability.
High power density in a compact footprint: The 305W rating and 18.75 percent efficiency allow strong output from a compact 1640 by 992 millimetre frame, helping maximise energy on constrained rooftops.
Reliable long term performance: A 12 year product warranty is combined with a power warranty that guarantees 91.2 percent output at ten years and 80.7 percent at twenty five years, supporting stable lifecycle yields.
Optimised monocrystalline cell design: High quality 156.75 millimetre monocrystalline cells are used to deliver strong low light performance and high conversion efficiency within the 300 to 320 watt power range.
Durable construction for challenging climates: The panel features 3.2 millimetre tempered glass with anti reflection coating, an anodized aluminium frame and a wide operating temperature range from minus 40 to 85 degrees Celsius.
Flexible system integration: A maximum system voltage rating of 1500 volts and a 20 amp series fuse rating support long strings and efficient layouts in residential and commercial arrays.
Lightweight yet robust module: The JC-305-60M/MH weighs only 18 kilograms, simplifying handling and installation while maintaining mechanical strength and structural integrity.
The JC Solar JC-305-60M/MH monocrystalline panel converts sunlight into usable direct current electricity through its 60 high efficiency cells. Each 156.75 by 156.75 millimetre cell produces voltage when illuminated, and cells are wired in series and parallel to reach the rated 305 watt output. Under standard test conditions, the module operates at a maximum power voltage of 32.8 volts and a maximum power current of 9.3 amps. A carefully engineered junction box and cables conduct that DC power safely toward an inverter or charge controller. The tempered glass and EVA encapsulation protect the cells from moisture, dust and mechanical impact. Panel performance remains stable across a wide temperature range, supported by controlled temperature coefficients for power, voltage and current. Once integrated with a compatible inverter, the generated DC power is converted to AC electricity for building loads or export to the grid.
Monocrystalline energy conversion: Sunlight strikes the monocrystalline silicon cells and releases electrons, which flow through the cell structure as electrical current. The consistent crystal structure used in these cells supports higher efficiency compared with many polycrystalline modules.
Module operating point and power output: At standard test conditions, the panel reaches its rated power at 32.8 volts and 9.3 amps, defined as the maximum power point. The open circuit voltage of 40.3 volts and short circuit current of 9.83 amps describe the electrical limits under ideal conditions.
Temperature behaviour and reliability: As cell temperature rises above 45 degrees Celsius, a power temperature coefficient of minus 0.37 percent per degree is applied, which slightly reduces output. The panel is designed to maintain structural integrity and predictable performance between minus 40 and 85 degrees Celsius.
System integration and protection: The integrated junction box provides safe electrical connections and supports string design up to 1500 volt systems. A 20 amp series fuse rating helps protect the module and system wiring against overcurrent events in properly engineered arrays.
| Brand | Jiacheng Solar Technology Co., Ltd. |
| Country of Origin | China |
| Model Number | JC-305-60M/MH |
| Cell Technology | Monocrystalline silicon |
| Cell Size | 156.75 × 156.75 mm |
| Number of Cells | 60 cells |
| Power Range | 300 ~ 320 Wp |
| Rated Maximum Power (Pmax) – Main Configuration | 305 Wp |
| Voltage at Maximum Power (Vmpp) – 305W Module | 32.8 V |
| Current at Maximum Power (Impp) – 305W Module | 9.3 A |
| Open Circuit Voltage (Voc) – 305W Module | 40.3 V |
| Short Circuit Current (Isc) – 305W Module | 9.83 A |
| Alternative Maximum Power (Pmax) Configuration | 227 Wp |
| Voltage at Maximum Power (Vmpp) – 227W Module | 30.8 V |
| Current at Maximum Power (Impp) – 227W Module | 7.4 A |
| Open Circuit Voltage (Voc) – 227W Module | 37.2 V |
| Short Circuit Current (Isc) – 227W Module | 8.12 A |
| Module Efficiency Range | 18.44 ~ 19.67 % |
| Panel Efficiency – 305W Version | 18.75 % |
| Power Tolerance | 0 ~ +1 % |
| Total Degradation Rate | 0.77 % per year (approximate linear rate) |
| Nominal Operating Temperature | 45 ± 2 °C |
| Operating Temperature Range | -40 ~ 85 °C |
| Temperature Coefficient of Pmax | -0.37 % / °C |
| Temperature Coefficient of Voc | -0.28 % / °C |
| Temperature Coefficient of Isc | +0.048 % / °C |
| Maximum System Voltage | 1500 V |
| Series Fuse Rating | 20 A |
| Panel Dimensions (H × W × D) | 1640 × 992 × 35 mm |
| Weight | 18 kg |
| Front Glass Type | Tempered glass with anti reflection coating |
| Glass Thickness | 3.2 mm |
| Frame Type | Anodized aluminium frame |
Certifications: Standard crystalline silicon PV module certifications are typically supported; please refer to the official datasheet or supplier for confirmed certificates such as IEC and safety standards.
Inverter Compatibility: Compatible with most modern string, hybrid and off grid inverters operating up to 1500 V DC; final compatibility depends on the chosen inverter model and string design.
Environmental: Designed for outdoor installation with tempered glass, sealed junction box and weather resistant frame, suitable for a wide range of climates and rooftop conditions.
Warranty: 12 year product warranty on materials and workmanship, plus a performance warranty specifying 91.2 % power at 10 years and 80.7 % power at 25 years under standard conditions.
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