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Model QJM120-72 | Monocrystalline Silicon | 72 Full-Cell | Monofacial | 1000V System Voltage
The Rixing Electronics QJM120-72 120W monocrystalline standard solar panel is designed for reliable off-grid and small-grid power systems. This compact module partners efficient monocrystalline cells with a durable frame, giving consistent performance across a wide range of applications. With 120 watts of rated power and 17.26% panel efficiency, it helps maximize energy harvest in limited roof or ground space. The 72-cell layout supports stable voltage for 12V and 24V charging systems through a suitable controller. Manufactured in China by Cixi City Rixing Electronics Co., Ltd., this panel offers a practical balance between output, size, and cost, making it a strong choice for RVs, cabins, boats, telecom equipment, and backup power projects.
Compact 120W power solution: The 120W output supports charging of 12V battery systems, small inverters, and DC loads without requiring large mounting areas.
High efficiency in limited space: With 17.26% panel efficiency, more energy is harvested from every square meter, ideal where roof or rack space is restricted.
Monocrystalline cell reliability: Proven monocrystalline silicon cells help deliver steady performance, good low-light response, and long service life in diverse climates.
Versatile installation options: The 1030 x 675 x 25 mm dimensions suit RV roofs, cabin structures, boats, and freestanding racks for flexible deployment.
Balanced voltage and current: A Vmpp of 17.5V and Impp of 6.86A simplify matching with common PWM and MPPT charge controllers for efficient system design.
Sunlight reaches the 72 monocrystalline cells in the Rixing Electronics QJM120-72 panel and is converted into usable electrical power. Each cell generates direct current, which is combined through the internal wiring to create the module’s overall voltage and current characteristics. Under standard test conditions, the panel delivers up to 120 watts at a voltage of 17.5V and a current of 6.86A. This output is usually connected to a solar charge controller, which regulates power flow into a battery bank or DC bus. The controller protects batteries from overcharging and optimizes energy harvest. From there, an inverter or DC loads can draw energy as needed, allowing the panel to serve as a dependable backbone for off-grid and backup solar systems.
Monocrystalline energy conversion: Each monocrystalline cell is made from a single silicon crystal, which supports efficient electron movement. When photons strike the cells, electrons are released and guided through the circuit, producing a stable DC output suitable for storage and direct consumption.
Module voltage and current balance: The 72-cell configuration is arranged to provide a Vmpp of 17.5V and an Impp of 6.86A under standard conditions. This balance keeps the panel compatible with typical 12V charging systems while allowing efficient energy transfer through both PWM and MPPT controllers.
System integration and storage: The panel is wired into a controller and battery bank using appropriately rated cables and protection devices. Energy is stored in the batteries during the day, so loads can be powered whenever required, even at night or during grid outages.
| Brand / Manufacturer | Cixi City Rixing Electronics Co., Ltd. (China) |
| Model Number | QJM120-72 |
| Module Type | Standard rigid framed solar panel |
| Cell Technology | Monocrystalline silicon |
| Cell Count and Layout | 72 cells, full-size configuration |
| Maximum Power (Pmax) | 120 Wp |
| Voltage at Maximum Power (Vmpp) | 17.5 V |
| Current at Maximum Power (Impp) | 6.86 A |
| Open Circuit Voltage (Voc) | 21 V |
| Short Circuit Current (Isc) | 7.68 A |
| Panel Efficiency | 17.26 % |
| Power Range Category | 120 Wp small-format module |
| Panel Dimensions (H x W x D) | 1030 x 675 x 25 mm |
| Panel Type | Monofacial framed panel |
| Recommended System Voltage | 12V battery systems using suitable charge control |
| Typical Applications | RVs, boats, cabins, telecom, CCTV, and small off-grid systems |
Certifications: Standard industry certifications typically apply to this class of module; confirm current IEC and safety approvals with the manufacturer before large projects.
Inverter Compatibility: Compatible with most 12V and 24V off-grid inverters when paired with an appropriate charge controller and battery bank.
Environmental: Designed for outdoor use with weather-resistant construction; install according to local electrical and mounting standards for best durability.
Warranty: Warranty terms are provided directly by Cixi City Rixing Electronics Co., Ltd.; please check your sales agreement or contact your supplier for specific coverage details.
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