Power parts: USB cable, battery box and the 5V rule
USB power cable: the lead that takes power from a USB port into the kit. BriksMax sells a standalone USB Power Cable (V1) for $9.99 with a USB-A input, a 5V rating and a V1 lighting connector on the other end, and says it works with most 5V USB adapters and power banks. [1] The USB adapter itself is usually extra: BRKOX's Sanderson Sisters' Cottage 21341 kit says it can run from a power bank, computer or compatible USB adapter, and that the adapter is not included. [2]
Battery box or battery pack: a holder for disposable cells, used instead of USB. Kit pages on the Lightailing store list power as 'USB 5V or 3xAA battery pack'. [3] BRKOX uses both words for the same part, sometimes on one page: its Optimus Prime 10302 listing says the kit can run from a battery box and is supplied with its own AA battery pack, batteries not included. [4] A few BRKOX kits use AAA cells instead, such as the Christmas Wreath 40426 kit, which needs 3 x AAA. [5]
Voltage limit: Lightailing's FAQ warns against an incompatible or higher-voltage power source because it can damage the lights. [6] BRKOX's Optimus Prime page puts the ceiling at under 6V. [4] Treat '5V USB' as the target and ask before using anything else.
Distribution parts: expansion boards, ports and cables
Expansion board: a small circuit board with sockets (ports) that lets one power feed reach several lights. BriksMax sells a 4-Port Expansion Board V2 for $10.99 and an 8-Port Expansion Board V2 in a 1x6-stud footprint for $14.99; the 8-port page says it connects up to 8 lighting components. [7][8] Its lightsaber bundle also contains 2-port and 6-port boards, so port counts vary by kit. [9] BriksMax's troubleshooting guide calls the sockets 'expansion slots'. [10]
Connecting cable: a loose cable with a plug at each end that links boards to each other or to lights. The lightsaber bundle lists 15cm, 20cm, 30cm and 50cm connecting cables, separate from the 30cm wire attached to each lightsaber. [9] A Lightailing ceiling-lamp page calls the same internal wiring 'patch cables'. [11]
Attached lead: the wire fixed to a light, ending in a plug. BriksMax dot lights are sold by that length, for example 30cm White Dot Lights V2 with a 30cm cable on each light. [12]
Wireless power connector: BriksMax sells a 'Wireless Power Connector V2' with a 15cm cable, which the listing describes as a plug-and-play connector for stable power transmission in V2 setups; it was listed at $14.99 and shown as sold out on 30 October 2026, and the listing does not explain what 'wireless' refers to. [13]
Light types, versions and controls
Dot light: a single small LED on a lead, sized to sit under or between bricks. BriksMax says its dot lights fit underneath and between bricks for interior lighting. [12] Strip light: a brick-mounted light in a 1x4 or 1x6 size that BriksMax describes as a dual LED strip for room and wall lighting. [14] Lightailing also lists a 1x2 ceiling lamp module. [11]
V1 and V2: Lightailing and BriksMax parts come in two connector generations. V1 plugs only go in one way round; V2 plugs are reversible. The two do not mix. [1][7]
Pre-wired versus modular: on the Lightailing store, kits sold under the Lightailing name are described as pre-wired with fixed wire spacing and transparent PVC wire cut to length, while Briksmax 2.0 kits for the same set are described as modular, with detachable plugs and twisted copper cables in several lengths. [3][15] For the Lewis Hamilton Helmet 43022 the two listings were $14.94 and $18.84 on 30 October 2026.
Control names: Lightailing's FAQ mentions Remote Control, RGB, Wave Sensor and Sound Remote editions. [6] BRKOX uses Classic, Standard, RC, RC Sound and Touch Version. Its Eiffel Tower 10307 page defines Classic as manual switching and Remote Control as operation by remote. [16] Its Optimus Prime kit offers a 6-channel RC version. [4] A touch switch, or touch sensor module, is a control you tap instead of using a remote. [17][18]
| Part | Lightailing / BriksMax wording | BRKOX wording, 30 Oct 2026 |
|---|---|---|
| Power from a USB port | USB Power Cable; 'USB 5V' [1][3] | 'Powered by USB'; USB adapter not included [2] |
| Cell holder | 3xAA battery pack [3] | Battery box or AA battery pack, sometimes both on one page [4] |
| Splitter board | Expansion board; expansion slot [7][10] | Not named in listing text we read |
| Board-to-board lead | Connecting cable; patch cable [9][11] | Not named in listing text we read |
| Basic version | Standard kit, Lightailing or Briksmax 2.0 line [3][15] | Classic or Standard Version [16] |
| Remote version | Remote Control or Sound Remote edition [6] | RC or RC Sound Version; channel counts vary [4] |
| Tap control | Touch sensor module [18] | Touch switch, Touch Version [17] |
| Install extras | Brick separator mentioned [19] | Tweezers and light accessory bags [17] |
Worked example: reading a real parts list
BriksMax's lightsaber bundle prints its contents as a table, which makes it a good practice case. [9] The 3-colour set ($14.99) lists 3 lightsaber LEDs, 3 two-port expansion boards, 1 six-port board, 1 USB power cable, and one each of 15cm, 20cm and 30cm connecting cables. The 4-colour set ($16.99) lists 4 LEDs, 4 two-port boards, 1 six-port board, 1 USB cable, one 15cm, two 30cm and one 50cm cable.
Read it in this order. Count the lights first: 3 or 4. Then the boards: the page says the 2-port boards connect individual lightsabers and cables and the 6-port board brings the connections together. Then the cables: their lengths limit how far each light can sit from the central board, about 30cm attached lead plus the connecting cable. Last, the power: one USB cable, with no adapter listed, so you need your own 5V USB socket or power bank.
Two things the list does not tell you: which connector version the parts use, and whether one port on each board is taken by the incoming feed. Ask both before mixing these parts with any others.
- Count lights, then boards and ports, then cable lengths, then the power source.
- Check the V1 or V2 label on every part you plan to mix.
- Look for the words 'not included' next to batteries and USB adapters.
Questions before you decide
What is an expansion board in a LEGO light kit?
A small board with several ports that lets one power feed reach several lights. BriksMax sells 4-port ($10.99) and 8-port ($14.99) V2 boards, and its lightsaber bundle uses 2-port and 6-port boards.
What is the difference between V1 and V2 light kit parts?
On Lightailing and BriksMax parts, V1 plugs fit only one way round while V2 plugs are reversible. The stores say V1 and V2 parts are not compatible with each other.
Is a battery box the same as a battery pack?
In practice yes. BRKOX's Optimus Prime 10302 page uses both terms for the cell holder, and Lightailing store pages list a 3xAA battery pack as the alternative to USB 5V. Batteries are not included.
What does Classic mean on a BRKOX light kit?
BRKOX's Eiffel Tower 10307 listing defines Classic as manual switching and Remote Control as operation by remote, with the same lighting effects in both versions.
Sources & verification
Product details and prices can change. Check the linked provider before buying.
- BriksMax USB Power Cable (V1) Accessed 30 Oct 2026
- BRKOX light kit for The Sanderson Sisters' Cottage 21341 Accessed 30 Oct 2026
- Lightailing light kit for Lewis Hamilton Helmet 43022 (Lightailing line) Accessed 30 Oct 2026
- BRKOX light kit for Optimus Prime 10302 Accessed 30 Oct 2026
- BRKOX light kit for Christmas Wreath 40426 Accessed 30 Oct 2026
- Lightailing frequently asked questions Accessed 30 Oct 2026
- BriksMax 4-Port Expansion Board V2 Accessed 30 Oct 2026
- BriksMax 8-Port Expansion Board V2 (1x6 size) Accessed 30 Oct 2026
- BriksMax Lightsaber LED Kit Bundle with Expansion Board, USB and Cables Accessed 30 Oct 2026
- BriksMax troubleshoot guide Accessed 30 Oct 2026
- Lightailing Warm White 1x2 Ceiling Lamp V2 Accessed 30 Oct 2026
- BriksMax 30cm White Dot Lights V2 (3-Pack) Accessed 30 Oct 2026
- BriksMax Wireless Power Connector V2 (15cm Cable) Accessed 30 Oct 2026
- BriksMax Strip Lights V2 (3-Pack) Accessed 30 Oct 2026
- Lightailing store: Briksmax 2.0 light kit for Lewis Hamilton Helmet 43022 Accessed 30 Oct 2026
- BRKOX light kit for Eiffel Tower 10307 Accessed 30 Oct 2026
- BRKOX light kit for Cristiano Ronaldo Soccer Highlights 43012 Accessed 30 Oct 2026
- Lightailing store: touch-control light kit for FIFA World Cup Trophy 43020 Accessed 30 Oct 2026
- Lightailing store: Briksmax light kit for Lamborghini Huracán Tecnica 42196 (installation notes) Accessed 30 Oct 2026
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