At LPG Techniek Van Meenen, it’s all about reliable energy.

Our Ultimatron Lithium batteries are not just batteries – they’re the silent heroes behind your carefree journeys. Whether you are a private camper owner or a motorhome dealer, we offer competitive prices and attractive dealer conditions. Ready for worry-free travel? Then you’ve come to the right place.

Our Ultimatron Batteries in Stock:

  • ULTIMATRON Lithium Battery 12.8V 150Ah – Model: ULS-12-150H
  • ULTIMATRON Lithium Battery 12.8V 100Ah for Campers – Model: ULS-12-100H
  • Ultimatron Lithium Battery 12.8V 200Ah with Bluetooth and Heating – Model: ULM-12-200H
  • Lithium Battery 280Ah 12V LiFePO4 under-seat model – Model: ULM-12-280H

Why choose Ultimatron?

  • Long lifespan: Minimum 6000 cycles at 80% discharge – years of adventure without worries.
  • Lightweight: Up to 50% lighter than lead-acid. More capacity, less weight.
  • Fast charging: Always ready for departure – quick recharge and on the road again.
  • Built-in BMS: Smart protection against overcharge, deep discharge, and overheating.
  • Bluetooth monitoring: Real-time energy insights via mobile app.
  • Integrated heating: Reliable even in extreme cold, down to -35°C.
  • Compact design: Perfect fit under your camper seat – same size as a standard leisure battery.
  • Weather resistant: From northern cold to southern heat, Ultimatron keeps performing.

Ultimatron: The Smart Choice

Why settle for less when you can have the best? Ultimatron combines innovative technology with plug-and-play simplicity..

Price list – Lithium batteries including installation

At Van Meenen you choose quality and professional installation. Our heated lithium batteries are mounted on the existing location (e.g. under the passenger seat). While you wait, we install the battery and set up the Bluetooth app on your smartphone. With 5 years warranty included, you travel with confidence.

ModelCapacity (Ah) – Energy amountEnergy (Wh) – Storage capacityWeight (kg) – HandlingDimensions (mm) – Fits in your vehicle?
Price installed
ULS-12-100H100128012.60355×175×188714 €
ULS-12-150H150192016.35355×175×188968 €
ULM-12-200H200256021.50357×338×1521116 €
ULM-12-280H280358431.00355×330×1901455 €

Wat mag u verwachten voor deze prijs? Uiteraard de batterij zelf, vakkundig gemonteerd op de plaats van uw huidige loodbatterij. Daarnaast zorgen we voor de installatie van de bijhorende app op uw smartphone, zodat u via Bluetooth op elk moment inzicht heeft in de status van uw batterij. En omdat we aan alles denken, zijn al onze batterijen uitgerust met een geïntegreerde verwarmingsfunctie, waardoor ze moeiteloos blijven presteren, zelfs bij temperaturen tot -35°C. Bovendien geniet u van 5 jaar garantie, zodat u met een gerust hart kiest voor betrouwbaarheid, comfort en innovatie.

Price list – DC-DC chargers (incl. VAT & installation)

A DC-DC charger is mandatory if your camper doesn’t already have one. Without it, the alternator and the lithium battery risk severe damage. We only use Victron DC-DC chargers – top of the line.

Product NamePrice (€)Current (A)BluetoothDimensions (mm)Weight (kg)
Orion-Tr Smart 12/12-18A DC-DC Charger509.4118AYes130 × 186 × 801.8
Orion-Tr Smart 12/12-30A DC-DC Charger618.3130AYes130 × 186 × 802.0
Orion XS 12/12-50A DC-DC Battery Charger726.0050AYes174 × 190 × 802.2

Book an appointment online

You can book an appointment online via this link: lpg.youcanbookme.com.
Please only book an appointment at 9:00 in the morning. This way, we can guarantee that you can wait, and even if the installation takes longer or you decide to add extra components (such as an additional solar panel or inverter), your camper will still be ready the same day.
Does a later time suit you better, or is online booking not an option? Simply call or email us, and we’ll schedule a new appointment together!

Lithium batteries and your camper: why a DC-DC charger is essential

A lithium battery is not a lead-acid battery – and that means charging must be done differently. Many people think that a lithium household battery in a camper can be charged by the vehicle’s alternator in the same way as a lead-acid battery. But that’s not the case!

When your engine runs, the alternator normally charges the starter battery. In campers, it is also used to charge the household battery. With a lead-acid battery, this works fairly well, even if the charging voltage is not perfect. But with a lithium battery, this can cause major issues if there is no DC-DC charger in between.

🚨 What goes wrong without a DC-DC charger?

🔴 Your alternator may overheat
A lithium battery draws much more current than a lead-acid battery. Your alternator is not designed for this and must constantly run at full power. This can lead to overheating, damage, or even melted wiring. A broken alternator can result in an expensive repair!

🔴 Your battery is charged incorrectly
Lithium batteries require a precisely regulated charging voltage. Your alternator is not designed for this. Without a DC-DC charger, your battery will either not be fully charged or will be overcharged, causing it to wear out prematurely.

🔴 Avoid unnecessary costs
A lithium battery is a serious investment. Without a DC-DC charger, the battery lifespan is significantly reduced, and you also risk damage to your alternator and camper wiring.

✅ What is a DC-DC charger and why do you need one?

A DC-DC charger is a voltage converter that ensures your lithium battery is properly charged by the vehicle’s alternator. This device:

✔️ Limits the current draw from the alternator, preventing overload.
✔️ Regulates charging voltage, ensuring the lithium battery is fully and correctly charged.
✔️ Protects both your battery and alternator from damage caused by incorrect voltage or overload.

Without a DC-DC charger, your lithium battery does not receive the correct charging profile, and you risk costly damage.

🔎 When is a separate DC-DC charger not necessary?

In modern campers, a built-in DC-DC charger or smart charge controller is often already present. In this case, a lead-acid battery can simply be replaced with a lithium battery, without additional modifications.

At Van Meenen, we always check whether your camper already has a suitable charging system. This way, you know for sure whether an additional DC-DC charger is required or not.
We never install lithium batteries without this check. This prevents problems and ensures you get the maximum out of your battery!

Why choose Van Meenen?

Clear, transparent pricing – No surprises, full transparency guaranteed.
Fast installation while you wait – Drive in and out the same day with a perfectly working lithium setup.
Extensive stock – With our 7000 m² warehouse, we always have batteries and accessories available. No waiting times!
Experience & expertise – We have been installing lithium systems for years and know exactly what your camper needs.

Don’t wait any longer – upgrade your camper with a lithium battery from Van Meenen. Book your appointment today and experience the convenience of professionally installed lithium technology!

Installation examples

We professionally install these batteries in your motorhome. Here’s a recent installation, a perfect example of what we can do:

  • 175W solar panel added
  • ULTIMATRON 150Ah lithium battery
  • 1200W inverter
  • Automatic transfer switch for 220V sockets

Ready for your next adventure?

Whether you’re looking for a reliable battery or a complete installation, we’re here to help. Contact us today for a free, no-obligation quote including installation. At LPG Techniek Van Meenen, you don’t just travel – you travel with confidence.

Comparing Ultimatron Lithium Batteries with Other Brands

ULTIMATRON Lithium Battery 12.8V 150Ah (Model: ULS-12-150H)

Competing Models:

  • Victron Energy LiFePO4 12.8V 160Ah: Renowned for top-class reliability and integrated Bluetooth monitoring.
  • Mastervolt MLI Ultra 12/160: A premium battery with exceptional cycle life and advanced energy management systems.

Advantages of Ultimatron:

  • Perfect fit under your motorhome seat: Thanks to identical dimensions to a traditional lead-acid battery, the ULTIMATRON Lithium Battery slides right under the seat. No hassle, no modifications. Simply plug-and-play convenience.
  • High energy density: Despite its compact size, the battery delivers an impressive 150Ah capacity – perfect for long trips without worries.
  • Advanced BMS: Protects against overcharging, overheating, and short-circuits, extending battery life.
  • Affordable premium quality: Comparable performance to top brands, at a more attractive price.

Disadvantages:

  • Too easy to install: Because this battery fits perfectly without modifications, installation is so effortless you might forget how advanced this technology actually is.
  • Not for non-smartphone users: While the system is extremely user-friendly thanks to built-in Bluetooth monitoring, it does require a smartphone for full functionality. This highlights Ultimatron’s modern, technological edge.

Make your battery smarter with the Ultimatron Bluetooth App

You already have an Ultimatron lithium battery – a smart investment in power and reliability. But why not get the most out of it? With the Ultimatron Bluetooth App, you’ll always have full control over your battery status – right on your smartphone. No hassle, no surprises, just pure confidence.

The app that truly makes your battery smart

🔋 How full is your battery? How much longer can you go?
No more guessing. Open the app and instantly see:
✅ How much energy remains in your battery
✅ Whether it’s charging or discharging
✅ How efficiently your battery is performing

🚨 Always safe, always protected
Nothing is more annoying than a battery that suddenly fails. With the Ultimatron app, you’ll always be informed. Get instant alerts if:
⚠️ Voltage is too high or too low
⚠️ Temperature falls outside the safe range
⚠️ Your battery is nearly empty

📊 Track your energy use like a pro
The app keeps detailed logs. Want to know how much energy you used in the past few days? When you charge most often? Clear graphs show everything, so you can plan your energy use perfectly.

🔌 Control charging and discharging
Sometimes you want to decide what your battery does. You can. With the handy switch function, you can:
🟢 Manually charge or discharge
🔴 Switch off for long-term storage (for example, in winter)

🔗 Manage multiple batteries at once
Do you have a larger installation? The app can monitor up to 8 batteries simultaneously. Instantly see:
✔ Which batteries are active
✔ How much energy is available
✔ How they are working together in your system

Why this app is essential
📱 Easy to use – no technical skills required
⚡ Real-time insights into your battery status
🔔 Instant alerts for maximum safety
📊 Smart energy analysis and usage history
🔌 Full control over charging and discharging
🔗 Supports multiple batteries at once

Ultimatron – smart, safe, and always within reach.
Download now from the Google Play Store or Apple App Store.

Frequently Asked Questions about Ultimatron Lithium Batteries & Lithium Batteries for Motorhomes

Why choose Ultimatron Lithium batteries?
Because they’re simply the best choice for adventurers who want to travel worry-free:

  • Longer journeys: At least 6000 charge cycles – years of carefree road trips.
  • Super-fast charging: No endless waiting, quickly ready to go.
  • Lightweight powerhouses: Less weight = more payload for what really matters.
  • Smart & safe: Built-in Smart BMS for maximum protection.

How long do lithium batteries last?
Ultimatron batteries are the marathon runners of energy storage: up to 20 times longer than traditional lead-acid batteries

How much more usable capacity does a lithium battery provide compared to a lead-acid battery?
A ULTIMATRON Lithium 150Ah battery offers up to three times more usable capacity than a traditional lead-acid battery of similar size. Lead-acid can only be discharged to 50% without damage, while Ultimatron Lithium can be discharged to 100% without performance loss.

Example: A 95Ah lead-acid battery gives you only about 47.5Ah usable energy. The ULTIMATRON 150Ah delivers the full 150Ah. That means fewer batteries, less weight, and far more energy for your adventures.

Are lithium batteries safe for my motorhome?
Absolutely. With LiFePO4 technology, they are even safer than classic lead-acid batteries.

Can I replace my old lead-acid battery with a lithium battery?
Usually yes. In self-build campers it’s plug-and-play. In factory-built motorhomes, a small adjustment may be needed.

How much weight will I save with lithium?
A 100Ah lead-acid battery gives only 50Ah usable energy – and weighs about 30 kg.
An Ultimatron Lithium 150Ah provides the full 150Ah usable capacity – at just 16.35 kg.
That’s 81% lighter per usable Ah.

How fast does a lithium battery charge?
From 0.5 to 4.5 hours – compared to up to 96 hours for lead-acid.

Can I fully discharge the battery?
Yes, Ultimatron batteries can safely use 100% of their capacity.

Do lithium batteries suffer from memory effect?
No. Charge whenever you like without performance loss.

What does the Smart BMS do?

  • Protection against overcharging/discharging
  • Temperature protection
  • Real-time Bluetooth monitoring

Do lithium batteries need maintenance?
No maintenance at all – just carefree energy

How many charge cycles can a lithium battery handle?
At least 6000 cycles – years of reliable use.

What is the nominal voltage of an Ultimatron LiFePO4 battery?
Stable 12.8V for consistent performance

Can I combine multiple lithium batteries?
Yes – in series or parallel, for more power or capacity.

Are lithium batteries compatible with solar panels?
Absolutely. They work perfectly with solar energy for sustainable power.

What is the warranty on Ultimatron Lithium batteries?
Standard 5-year factory warranty – guaranteed reliability.

Do lithium batteries improve fuel efficiency?
Yes – less weight can positively affect fuel consumption.

Do they work in extreme temperatures?
Yes – with built-in heating and smart tech, they withstand both cold and heat.

Can a lithium battery leak?
No – unlike traditional batteries, there’s no risk of leakage.

What is the recommended charging voltage for an Ultimatron battery?
14.6V for optimal, safe charging.

Why choose LPG Techniek Van Meenen?
Because we don’t just supply the best batteries – we also provide expert advice and professional installation. Visit us and experience the difference yourself!