Solar Cell 129 × 129 mm – Technical Specifications

Product Overview

High-efficiency monocrystalline solar cell designed for solar panels and photovoltaic applications. Suitable for DIY solar modules, solar charging systems, educational projects, and renewable energy systems.

Electrical Specifications (STC)

(Standard Test Conditions: AM1.5, 1000 W/m², 25°C)

Maximum Power (Pmax): 3.0 – 3.4 W
Open Circuit Voltage (Voc): 0.62 – 0.64 V
Short Circuit Current (Isc): 0.95 – 1.0 A
Voltage at Maximum Power (Vmp): 5 – 5.4 V
Current at Maximum Power (Imp): 0.9 – 0.96 A
Cell Efficiency: 20% – 22%

Mechanical Specifications

Cell Type: Monocrystalline Silicon
Cell Dimensions: 129 mm × 129 mm
Cell Thickness: 160 – 200 µm
Busbars: 5BB or 9BB (depending on model)
Front Contact: Silver busbars
Back Contact: Aluminum layer with silver pads

Optical & Surface Specifications

Surface Coating: Anti-Reflective Coating (ARC)
Color: Dark Blue / Black
Front Grid Pattern: Fine silver fingers for maximum light absorption

Temperature Characteristics

Operating Temperature: -40°C to +85°C
Temperature Coefficient (Power): -0.40 % / °C
Temperature Coefficient (Voltage): -0.30 % / °C
Temperature Coefficient (Current): +0.05 % / °C

Applications

Solar panel manufacturing
DIY solar modules
Solar battery chargers
Educational solar projects
Renewable energy research
Portable solar power systems

Features

High conversion efficiency
Excellent low-light performance
Anti-reflective coating for improved absorption
Durable monocrystalline silicon structure
Ideal for custom photovoltaic panels

Package Includes

1 × Monocrystalline Solar Cell (129 × 129 mm)

Battery| Solar| Relay| Supply

1 AA Battery Holder

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