Mono G1 380W 72 Cell 156.75mm Solar Panel Replacement
P/N: G1 Mono 72 Cells Series
370-385 Watt
2008 x 1002 x 40mm
Monocrystalline 158.75mm Cell
Compatible Electrical Parameters for Existing PV Strings
For legacy solar panel replacement
Product Overview
This 72-cell mono 158.75mm solar panel is designed as a replacement module for legacy solar power systems installed mostly before 2022.
Many early photovoltaic installations used G1 158.75 mm monocrystalline cells in 60-cell configurations. As the solar industry has shifted to larger wafter sizes (166 mm, 182 mm, and 210 mm), all major manufacturers have discontinued these legacy panel formats.
To support ongoing maintenance of existing PV systems, compatible replacement modules are required to maintain string voltage consistency, mounting compatibility, and system performance. These modules are suitable for repairing or replacing damaged panels in utility-scale solar farms, commercial rooftops, and early residential installations.
| Parameter | Pmax(W) | Efficiency(%) | Voc(V) | Isc(A) | Vmpp(V) | Impp(A) |
| FL-370M-72 | 370 | 18.4 | 48.6 | 10.1 | 40.1 | 9.22 |
| FL-375M-72 | 375 | 18.7 | 49 | 10.15 | 40.5 | 9.26 |
| FL-380M-72 | 380 | 19 | 49.5 | 10.2 | 41 | 9.27 |
| FL-385M-72 | 385 | 19.3 | 50 | 10.3 | 41.5 | 9.28 |
| STC (Standard Test Conditions): Irradiance 1000 W/m², Cell Temperature 25°C, AM1.5 | ||||||
| TempCoeff_Pmax(%/°C) | -0.37 | Tempered Glass | 3.2mm | |||
| TempCoeff_Voc(%/°C) | -0.29 | Aluminum Frame | Anodized | |||
| TempCoeff_Isc(%/°C) | 0.05 | Max System Voltage(V) | 1500 | |||
| NOCT(°C) | 45 | Max_Fuse(A) | 20 | |||
| Cell Qty | 72 Cells | Cable_Size(mm²) | 4 | |||
| Cell Size | 158.75x158.75mm Mono | Cable_Length(mm) | 900 | |||
| Module Dimensions | 2008*1002*40mm | Connector | MC4 | |||
| Weight(kg) | 23.5 | Junction Box | IP68 | |||
Key Features
Compatible with legacy 158.75 mm cell solar arrays
72-cell configuration used widely before 2022
Available in 370W-380W power range
Compatible electrical parameters for existing PV strings
Standard aluminum frame and Junction box
Suitable for grid tied and off grid solar systems
Reliable long-term outdoor performance
Typical technical Specifications
Applications
Solar farm maintenance
Commercial rooftop solar systems
Residential PV installations
Replacement of discontinued solar panels
Repair of legacy photovoltaic systems
FAQ
Q1: Why are 370W-380W 72-cell mono solar panels difficult to find today?
Most solar manufacturers have transitioned to larger wafer sizes and higher power modules, making older 158.75mm 72-cell panels discontinued in mass production.
Q2: Can I replace a damaged panel with a higher power module?
It is possible, but the electrical parameters and size may not match the existing PV string, which could reduce system efficiency.
Q3: Why is it important to match the original panel size?
Matching the original dimensions ensures compatibility with existing mounting systems and simplifies installation.
Q4: Can replacement modules be customized?
Yes. Replacement panels can be produced with similar electrical parameters to match existing solar arrays.
Q5: Who typically needs these replacement modules?
Solar farm operators, EPC maintenance companies, and system owners managing installations built before 2022.
For Leaves Limited designs and manufactures custom solar panels for IoT, vehicles, lighting, and BIPV systems with durable, high-efficiency solar solutions.
Tags:Custom Solar Panel, Glass Solar Panel, Ring Solar Panel, Irregular Shape Solar Panel, Vehicle Solar Power, IoT Solar Device, Smart Lighting, BIPV Module, Off-Grid Kit, Solar Charger, Monocrystalline, Flexible Panel, Lithium Battery, LED
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