3.7V 51 LED Flame Light Circuit Board – 3 Modes Solar Candle

Bring Realistic Flame Effects to Life with This Flexible LED Circuit Board

Transform any solar candle, flame light, or torch project with the Shunmaii 3.7V Flexible 51 LED Flame Light Circuit Board. Featuring 51 lamp beads and 3 selectable lighting modes, this compact, rollable circuit board delivers convincing flame simulations — perfect for DIY solar lighting builds, replacement boards, and custom candle lamp projects. Made in Mainland China.

Key Features

• 51 High-Quality LED Lamp Beads — Automatically flash at night for a natural, flickering flame effect that looks strikingly realistic.
• 3 Lighting Modes — Switch between simulated flame flicker, steady constant light, and a slow breathing flash to suit any ambiance or application.
• Flexible PC Circuit Board — Made from durable, excellent-quality PC material, the board can be rolled into a cylinder to fit neatly inside lamp housings and torch tubes.
• Wide Compatibility — Works with 3.7V lithium batteries and 5V–6V (<5W) solar panels, making it ideal for solar candle lights, solar flame lights, solar torch lights, and other outdoor lighting projects.
• Practical Size — Circuit board measures approximately 121 × 90 mm (4.76 × 3.54 in) with a 150 mm (5.91 in) cable length for easy integration.
• Fine Craftsmanship — Carefully constructed for reliable performance in a variety of DIY and replacement lighting applications.

Specifications

• Brand: Shunmaii
• Applicable Battery Voltage: 3.7V lithium battery
• Solar Panel Voltage: 5V–6V <5W
• LED Count: 51 pcs
• Lighting Modes: 3 (Simulated flame flicker / Constant bright / Breathing slow flash)
• Material: PC (Polycarbonate)
• Circuit Board Size: ~121 × 90 mm / 4.76 × 3.54 in
• Cable Length: ~150 mm / 5.91 in
• Origin: Made in Mainland China

What's in the Box?

• 1 × LED Flame Light Circuit Board

Perfect For

• Solar simulation candle lights
• Solar flame lights & torch lights
• DIY outdoor lighting projects
• Replacement circuit boards for existing flame lamps
• Garden, patio, pathway, and decorative lighting builds

For guidance on safe handling of electronic components and DIY electrical projects, refer to the U.S. Consumer Product Safety Commission – Electrical Safety resources.

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Frequently Asked Questions

Q: What power source does this 51 LED flame light circuit board require?

A: This circuit board is designed to run on a 3.7V lithium battery. It is also compatible with a 5V–6V solar panel (<5W), making it ideal for solar-powered candle and flame light builds.

Q: Can the circuit board fit inside a cylindrical lamp housing?

A: Yes! The board is made from a flexible PC material that can be rolled into a cylinder, making it straightforward to install inside solar torch tubes, candle lamp casings, and similar housings.

Q: What are the 3 lighting modes on this flame circuit board?

A: The three modes are: 1) Simulated flame flickering — random flicker that mimics a real flame; 2) Constant bright — all LEDs on steadily with no flash; and 3) Breathing slow flash — a gentle, rhythmic fade in and out for a softer ambiance.

Q: What is the size of the circuit board?

A: The circuit board measures approximately 121 × 90 mm (4.76 × 3.54 inches), and the attached cable is approximately 150 mm (5.91 inches) long. Please allow ±1–2 cm variance due to manual measurement.