4-Port Expansion Board V2
SKU: LD001-026
Hurry up! Sale ends soon
- Warranty 2 Years
- Shipping Free $69+
- Builders 100K+
4-Port Expansion Board V2 for LEGO® Light Kits & MOCs
Expand your LEGO® lighting system with a compact and reliable connection hub.
The 4-Port Expansion Board V2 allows you to connect multiple LED lights, connecting cables, and power accessories into a single lighting circuit. It's the ideal solution for custom LEGO® MOC projects, modular buildings, and large display models where multiple lighting components need to work together.
Designed with our upgraded Version 2.0 connectors, installation is easier, safer, and more user-friendly than ever.
Why You'll Love It
✔ Connect up to 4 lighting components with one expansion board
✔ Create clean and organized wiring for complex lighting builds
✔ Ideal for DIY LEGO® light kits, MOCs, and custom lighting projects
✔ Compact design fits easily inside most LEGO® models
✔ Plug & Play installation — no soldering required
✔ Compatible with LIGHTAILING Version 2.0 lighting components
Version 2.0 Upgraded Connectors
The Expansion Board features our redesigned V2 connectors for improved usability.
New Version
-
Reversible connectors can be inserted from either side
-
Faster and easier installation
-
Reduces incorrect connections
-
More secure and reliable electrical contact
Please Note
Version 2.0 connectors are not compatible with previous-generation LIGHTAILING or BRIKSMAX connectors.
Perfect For
-
LEGO® Modular Buildings
-
LEGO® City layouts
-
LEGO® Technic lighting projects
-
Custom MOCs
-
Display cabinets
-
DIY lighting system expansion
Specifications
-
Ports: 4
-
Connector Version: V2.0
-
Compatible with LIGHTAILING Version 2.0 components
-
Compact PCB design for easy installation inside LEGO® models
Package Includes
-
1 × 4-Port Expansion Board V2
Important Notes
-
This product is an expansion accessory only and does not include LED lights, connecting cables, power supplies, or LEGO® sets.
-
Compatible only with Version 2.0 lighting accessories.
-
Not compatible with previous-generation connectors.
LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse this product.
Shop With Confidence
Quick answers about shipping, returns, and warranty coverage.
Ships from our CN, US, or EU warehouse. Most orders arrive within 6–12 business days. Free shipping on eligible orders $69+.
Learn more →
Need to return or exchange an item? Check eligibility, return conditions, and next steps before sending anything back.
Learn more →
Lightailing and Briksmax light kits are covered by a 2-Year Warranty, subject to our warranty terms and conditions.
Learn more →
Common Questions
Find quick answers right here
No. This product includes the LED light kit only. The LEGO® set shown in the images is not included.
Both are designed specifically for LEGO® sets, but they offer different lighting styles and installation experiences. Lightailing typically features a more integrated lighting design, while Briksmax offers a more DIY-style setup with flexible light placement. Check the product images and features to choose the version you prefer.
You can read the full explanation on our blog here: 👉https://www.lightailing.com/blogs/news/lightailing-vs-briksmax-light-different
Yes. Step-by-step instructions are provided for our light kits, and video tutorials are available for many products.
You can search with your set code on our YouTube channels:
Lightailing: https://www.youtube.com/@Lightailing/videos
Briksmax: https://www.youtube.com/@briksmax9383/videos
If you can’t find them, please email us at support@lightailing.com for help.
Yes. Our light kits are designed to be installed on completed LEGO® sets. You may need to temporarily remove a few bricks during installation, then put them back in place.
Power options vary by light kit. Depending on the product, the kit may use USB power, a battery box, or support both. Please check the product details for the power option included with your specific kit.
Only if you choose to power the light kit with a battery box. Batteries are not included. For kits that support USB power, you can connect them to a compatible USB power source instead.