G4 COB LED Bulb 5W 7W DC 12V – Cool & Warm White

$8.66 $10.25

Emitting Color Warm White-1 Pcs Cold White-1 Pcs Warm White-5 Pcs Cold White-5 Pcs

Wattage 7W-30LED 5W-18LED

G4 COB LED Bulb – 5W / 7W, DC 12V, Cool White & Warm White

Upgrade your desk lamps, wall lights, and accent fixtures with this energy-efficient G4 COB LED Bulb. Available in 5W (18 LEDs) and 7W (30 LEDs), these compact round bulbs run on DC 12V and are a direct halogen replacement — delivering bright, consistent light at a fraction of the energy cost. CE certified and rated for up to 50,000 hours of use, they're built to last.

Key Features

Socket Type: G4 base — fits standard G4 halogen fixtures
Wattage: 5W (18 LEDs) or 7W (30 LEDs)
Voltage: DC 12V
LED Technology: SMD 5050 COB chip matrix for uniform, high-density illumination
Color Options: Cool White or Warm White
Beam Angle: 180° wide-angle coverage
Lifespan: Up to 50,000 hours
Shape: Round, compact design
Certification: CE certified
Package: 1 × G4 COB LED Bulb

Why Switch to G4 COB LED?

Traditional G4 halogen bulbs generate a lot of heat and consume significantly more power. These COB LED replacements deliver superior brightness with minimal heat output, making them ideal for enclosed or small fixtures. The 180° beam angle ensures even, shadow-free illumination throughout your space — perfect for desk lamps, under-cabinet lighting, wall sconces, display cabinets, and RV or marine 12V setups.

Perfect For

Desk and table lamps
Wall and ceiling accent lights
Under-cabinet and display lighting
RV, boat, and 12V DC off-grid systems
Replacing G4 halogen bulbs in any low-voltage fixture

Made in Mainland China.

Frequently Asked Questions

Q: What fixtures are compatible with this G4 COB LED bulb?

A: This G4 COB LED bulb fits any standard G4 bi-pin socket that runs on DC 12V. Common compatible fixtures include desk lamps, wall sconces, under-cabinet lighting, display cabinets, RV lights, and marine lighting systems. Always confirm your fixture uses DC 12V before installing.

Q: What is the difference between the 5W and 7W versions?

A: The 5W version features 18 LEDs and is ideal for accent or ambient lighting where a softer output is preferred. The 7W version has 30 LEDs and produces a brighter output, making it better suited for task lighting such as desk lamps or workspaces that require more illumination.

Q: Can I use this bulb with an AC 12V transformer?

A: This bulb is designed for DC 12V systems only. Using it with an AC 12V transformer may result in reduced performance or incompatibility. Please ensure your power source or transformer outputs DC 12V before use.

Q: What color temperatures are available?

A: This G4 COB LED bulb is available in Cool White (a bright, crisp tone suited for task lighting and workspaces) and Warm White (a softer, yellowish tone ideal for cozy ambient lighting in living spaces).

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.