• 100 Ah lithium battery for caravans and motorhomes with built-in heating system and Bluetooth connectivity. Can be connected in
  • The battery has a Bluetooth connection that allows you to check the status via an app.
  • Handle for easy handling and transport.
  • The Ultimatron 100Ah Heat battery for caravans and motorhomes from above.
  • The terminals are marked.
  • Blue terminal.
  • The battery from the side.
  • The underside of the battery. Designed for installation under the seat in vehicles like the Fiat Ducato.
  • 100 Ah lithium battery for caravans and motorhomes with built-in heating system and Bluetooth connectivity. Can be connected in
  • The battery has a Bluetooth connection that allows you to check the status via an app.
  • Handle for easy handling and transport.
  • The Ultimatron 100Ah Heat battery for caravans and motorhomes from above.
  • The terminals are marked.
  • Blue terminal.
  • The battery from the side.
  • The underside of the battery. Designed for installation under the seat in vehicles like the Fiat Ducato.

Ultimatron Heat 100Ah 12V battery for Caravan & Motorhome

Item ID: ULS-12-100H

Lithium battery for caravan, motorhome or boat with a built-in heating system, allowing it to be charged even during winter. The Ultimatron Heat 100Ah features a BMS (Battery Management System) that protects the battery against improper charging, high temperatures, and overload. Thanks to its BMS, you can replace your lead-acid battery (excluding starter batteries) directly without needing to modify the electrical system. The battery can also be connected in parallel with up to 4 units for increased capacity.

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Order item - Normal delivery time 8-14 days
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Capacity: 100 Ah (1280 Wh)
Output capacity: 12V/150 A (approx. 1900W)
Nominal voltage: 12.8V
Weight: 12.6 kg
Lifespan: approx. 15 years (6000 cycles to 80%)

 

100Ah Lithium Battery for Caravan and Motorhome – Operates in Sub-zero Temperatures

Battery with high capacity, low weight, compact size, and significantly longer lifespan than a traditional lead-acid battery. A unique feature of this LiFePO4 battery from Ultimatron is its built-in heating system that warms the battery before charging when necessary. It’s ideal for those using their caravan or motorhome even in colder seasons. The advantage of a lithium battery is not only faster charging than a standard battery, but also that you can use almost the entire battery capacity—unlike lead-acid batteries, which typically only allow about 50% usable capacity. This means the battery performs like a 150Ah lead-acid battery but with considerably lower weight and smaller size.

The battery includes an integrated BMS (Battery Management System) for maximum safety and lifespan. Thanks to the built-in electronics, it can be charged using a standard constant-voltage charger, solar charge controller, etc.

Bluetooth

 

The BMS also includes Bluetooth connectivity so you can monitor the battery’s status via your smartphone. You can view:

 

  • Charge status
  • Voltage
  • Available capacity
  • Cycle count
  • Temperature and battery health status

Ultimatron Heat 100Ah Lithium Battery for Caravan/Motorhome

  • Drop-in replacement – no external components required
  • Built-in heating system for charging even at sub-zero temperatures
  • Bluetooth connectivity – monitor battery status via app
  • Designed to replace a traditional battery (same voltage and terminal types)
  • Long lifespan – 15 years with normal use (5–10 times longer than lead-acid)
  • Lightweight (save approx. 30 kg)
  • High capacity – real output equals 150Ah lead-acid battery
  • Eco-friendly
  • Integrated BMS for protection and safety
  • Automatic cell balancing extends lifespan (a key difference between good and poor lithium batteries)
  • Can be connected in series and parallel
  • 3–10 times faster charging
  • Size adapted to fit under the seat of Fiat Ducato, Citroën & Peugeot motorhomes

Specifications – Ultimatron 100Ah Lithium Battery

Nominal Voltage:12.8V
Nominal Capacity:100 Ah / 1920 Wh
Terminal Type:DIN (T11) 17mm neg, 19mm pos / M8
Output Capacity:12V / 100Ah
Battery Type:Lithium Iron Phosphate (LiFePO4)
Weight:12.6 kg
Dimensions (W x D x H):35.5 x 17.5 x 18.8 cm
Battery Management System (BMS):Integrated
Number of cycles (80% DoD):>6000
Warranty:Full warranty 2 years or up to 2000 cycles / 5-year limited warranty (up to 2200 cycles)
Operating Temperature:-20℃ to 55℃ @ 60±25% relative humidity (Charging from -35℃)
Discharge Efficiency:Min 98% @ 0.2C to 10.0V
Max Discharge Current:150A (Surge: 450A for 200–500 milliseconds)
Recommended Charger:30A (Max 50A)
Recommended Charging Voltage:14.6V ± 0.1V (300A, Max 50A)
Charger Type:Conventional or lithium-compatible
Charging Time:Depends on charger size
Self-Discharge per Month:Approx. 3%
Heating Function:Can charge down to -35°C, requires at least 7A for heating to activate
Protection:Over/under voltage, overcharge, over-temp, short circuit, etc.
Lifespan:Approx. 15 years under normal use

Compatible Chargers and Solar Panels

The Ultimatron BMS is compatible with nearly all battery chargers and solar systems, and works seamlessly with a motorhome/caravan charger. It supports any external charger that provides a steady current during charging. For "smart" chargers that pulse current for lead-acid battery reconditioning/maintenance, the BMS will shut down the charging process. However, many smart chargers can be set to non-pulsing modes. For solar charging, the battery can handle up to 50A.