4V 20W Low Voltage COB LED Aluminum Base Light Board (57×57mm) – DIY Solar Light Module

Specification

• LED Type: COB (Chip on Board)

• Operating Voltage: 4V 20Watt (Low Voltage)

• Board Material: Aluminum Base (High Heat Dissipation)

• Board Size: 57 × 57 mm

• Light Emitting Area: Circular COB Ring

• Mounting Holes: 4 Corner Holes for Easy Installation

• Application Type: Solar Light / DIY LED Projects

• Condition: Clearance / Special Offer Stock

Description

This 4V COB LED aluminum base light board is designed for low-voltage lighting applications such as solar-powered lamps and DIY lighting systems. Built on a high-quality aluminum substrate, it provides excellent heat dissipation, ensuring stable performance and longer lifespan.

The 57×57mm square board features a circular COB LED layout with a center opening design, making it suitable for compact lighting assemblies. It is ideal for energy-efficient lighting solutions where low voltage operation is required.

Application

• Solar Garden Lights

• Solar Street Light Repair

• DIY LED Lamp Projects

• Emergency Light Systems

• Portable Battery-Powered Lighting

• Low Voltage LED Lighting Systems