Best 12V LED Strip Lights for Campervans: Complete Installation Guide
LED strip lights are the most popular lighting choice for campervan conversions. They are cheap, flexible, low-power, and create the warm, diffuse lighting that makes a van feel like home. But cheap strips fail, colours are inconsistent, and adhesive backing does not hold in a van's temperature swings.
I have installed LED strips in three vans. The first used cheap £5/metre RGB strips from Amazon — they failed within 6 months (adhesive gave way, LEDs started flickering). The second used warm white strips with a proper dimmer — they lasted 2 years and created a much better atmosphere. The third uses a combination of warm white (general lighting) and cool white (task lighting), both hardwired with proper connectors.
This guide covers the LED strip options, power consumption, installation, and how to make your van lighting look professional.
LED Strip Types
| Type | Colour | CCT | Power/Metre | Best For |
|---|---|---|---|---|
| Warm white | Single colour | 2700–3000K | 4.8–9.6W/m | General living, bedroom |
| Cool white | Single colour | 4000–5000K | 4.8–9.6W/m | Kitchen task lighting |
| Daylight white | Single colour | 6000K | 4.8–9.6W/m | Reading, workshop |
| RGB | Multi-colour | N/A | 7.2–14.4W/m | Accent lighting, mood |
| RGBW | Multi-colour + white | 3000K + RGB | 14.4W/m | Mood + functional |
| Tunable white | Adjustable CCT | 2700–6500K | 9.6–14.4W/m | Best of all, but more expensive |
LED Density
| Density | LEDs/m | Power/m | Light Quality | Best For |
|---|---|---|---|---|
| 30 LEDs/m | Low | 4.8W/m | Visible dots at close range | Accent only |
| 60 LEDs/m | Medium | 9.6W/m | Smooth, no dots at arm's length | General lighting |
| 120 LEDs/m | High | 14.4W/m | Perfectly smooth | Task lighting, professional finish |
| 144 LEDs/m | Very high | 19.2W/m | Brightest, smooth | Large areas |
Recommendation: 60 LEDs/m warm white (3000K) for general living areas. 120 LEDs/m cool white (4000K) for the kitchen. This gives a warm, inviting main area and bright, clear task lighting.
Power Consumption
| Strip Type | Power/Metre | 5 Metres | Daily Use (4 hours) | Annual Cost (25p/kWh) |
|---|---|---|---|---|
| 30 LEDs/m (low) | 4.8W | 24W | 96Wh | £8.76 |
| 60 LEDs/m (standard) | 9.6W | 48W | 192Wh | £17.52 |
| 120 LEDs/m (high) | 14.4W | 72W | 288Wh | £26.28 |
| RGBW (high) | 14.4W | 72W | 288Wh | £26.28 |
In van life terms: A 5-metre 60 LEDs/m warm white strip running for 4 hours uses 192Wh (16Ah at 12V). On a 200Ah LiFePO4 battery, that is 8% of usable capacity per day. LED lighting is cheap to run.
Installation
What You Need
| Component | Spec | Cost |
|---|---|---|
| LED strip | As chosen | £5–30 per 5m reel |
| 12V DC power supply | LED driver/transformer | £5–15 |
| Dimmer controller | PWM dimmer (matching strip type) | £5–20 |
| Connectors | 2-pin or 4-pin screw terminals | £3–5 |
| Aluminium channel | U-profile for mounting | £5–15 per 2m |
| Cable | 1.5mm² twin-core | £1/m |
| Switch | Rocker or touch switch | £5–10 |
Step-by-Step
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Plan the layout: Measure all runs. LED strips can be cut at marked intervals (every 3–5 LEDs). Plan for the controller location and power source.
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Mount the aluminium channel: The channel provides heat dissipation (LEDs generate heat and dim over time without heatsinking) and a professional look (the strip is recessed and diffused). Stick the channel to the ceiling or cabinet underside with VHB tape or screws.
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Cut the LED strip to length: Cut at the marked cut lines. Use sharp scissors. Do not cut through the copper pads.
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Solder or use connectors: Soldering creates the most reliable connection. For the quick option, use clip-on 2-pin or 4-pin connectors — but these can fail in hot/cold cycling.
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Connect the strip to the controller: RGB and RGBW strips need 4-pin connectors (one common positive + three/four colour channels). Single-colour strips need 2-pin (positive + negative).
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Connect the controller to 12V power: Run 1.5mm² cable from the controller to a 5A fused circuit in the fuse box.
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Install a switch: Between the controller and the LED strip. A dimmer switch is recommended.
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Test before final mounting: Connect everything, turn on the power, check all colours/brightness levels work.
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Mount the strip in the channel: Remove the backing tape, press the strip into the channel. Fit the diffuser cover.
Dimmers
| Dimmer Type | Cost | Works With | Installation |
|---|---|---|---|
| PWM rotary knob | £5–10 | Single-colour strips | In-line, simple |
| PWM touch dimmer | £10–15 | Single-colour strips | Wall-mounted |
| RF remote + receiver | £10–20 | RGB and single-colour | Remote control |
| WiFi controller | £15–30 | RGB and single-colour | Smartphone control |
| Hardwired 0-10V | £20–40 | Professional strips | More complex |
Recommendation: A PWM rotary knob dimmer for warm white strips. It is simple, cheap, and reliable. Avoid touch dimmers in damp environments (kitchen) — they can be unreliable when wet.
Common Installation Mistakes
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No aluminium channel: LEDs overheat without heatsinking, causing colour shift and early failure. The channel also diffuses the light, eliminating the "dotty" look.
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Adhesive tape only: The 3M tape on LED strips fails in van temperatures (30°C+ in summer, −5°C in winter). The strip droops after 6 months. Use aluminium channel + clips.
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Undersized cable: 1.5mm² minimum for any LED strip run. Longer runs (5m+) benefit from 2.5mm² to reduce voltage drop — the far end of a long strip can be noticeably dimmer.
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Voltage drop on the strip itself: Running more than 5m of LED strip from a single power feed causes the far end to be dimmer than the near end. For longer runs, power-inject at both ends or use higher voltage (24V strips).
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Wrong controller for the strip type: RGB strips need RGB controllers. Single-colour strips need single-channel dimmers. A single-colour dimmer on an RGB strip turns all colours on/off but cannot change colours.
12V vs 24V LED Strips
| Voltage | Pros | Cons |
|---|---|---|
| 12V | Direct from leisure battery, no converter | Voltage drop over 5m+, needs power injection |
| 24V | Lower current, less voltage drop, runs 10m+ | Needs 24V → 12V converter for other devices |
| 5V (USB) | Can use power banks | Very low power, short runs only |
For a 12V campervan electrical system, 12V strips are the obvious choice. 24V strips need a 24V converter, adding cost and complexity.
Recommended Products
| Strip | Type | Quality | Price | Best For |
|---|---|---|---|---|
| Warm White 60 LEDs/m | Single colour | Excellent | £12/5m | General lighting |
| Cool White 120 LEDs/m | Single colour | Excellent | £18/5m | Kitchen task lighting |
| RGBW 60 LEDs/m | Multi-colour | Good | £20/5m | Accent + functional |
| Tunable White 60 LEDs/m | Adjustable CCT | Excellent | £30/5m | Best all-in-one |
| Aluminium channel + diffuser | Mounting | Excellent | £8/2m | Professional finish |
FAQ
Q: How many LED strip lights do I need for a campervan? A: For a typical Transit Custom (5.3m), install 3–4 metres of warm white (general lighting, along the roof line or in channels) and 1 metre of cool white (kitchen task lighting, under cabinets). This provides equivalent light to a 60W household bulb.
Q: Can I connect multiple LED strips to one controller? A: Yes, if the total power draw does not exceed the controller's rating. Most controllers are rated for 5–10 metres total. For longer runs, use a higher-rated controller or power-inject at the far end.
Q: How do I stop LED strips flickering? A: Flickering is caused by: incompatible dimmer (PWM frequency too low), insufficient power supply, or voltage drop. Use a quality PWM dimmer (1kHz+), ensure the power supply is rated for at least 20% more than the strip's consumption, and use adequate cable.
Q: Can I dim LED strip lights without a special dimmer? A: No. Standard light dimmers (household rotary dimmers) are designed for mains voltage and resistive loads. They do not work with LED strips. You need a PWM (pulse-width modulation) dimmer designed for 12V LED strips.
Q: How long do LED strips last in a campervan? A: Quality LED strips (with aluminium channel for heat dissipation) last 20,000–30,000 hours. At 4 hours per day, that is 14–20 years. Cheap strips without heatsinking fail in 6–24 months.
Q: Can I cut LED strips to custom lengths? A: Yes. Most 12V LED strips have marked cut lines every 3–5 LEDs (every 2.5–5cm). Cut at the marked line only. Cutting elsewhere damages the circuit and kills that section.
