Ultimatron 12.8V 310Ah LiFePO4 Smart BMS RV Bluetooth Lithium Battery - Perfect for Homes and Caravans (Under Seat)

The Ultimatron LiFePO4 12.8V 310Ah battery is designed for users who need maximum autonomy, safety, and full control in solar systems and mobile applications. Thanks to its low-profile design for under-seat installation, its integrated heating system, and its smart BMS with Bluetooth, it is a premium solution for motorhomes, campers, off-grid solar systems, and recreational vehicles.

It delivers a total energy of 3968 Wh, a lifespan of over 6000 cycles, and allows you to monitor all key parameters directly from your smartphone in real time. This battery is built to perform reliably for many years, even under demanding conditions and continuous use.

Recommended Uses

1. Solar power systems in campers, caravans, and motorhomes.

2. Energy storage banks for off-grid or hybrid solar installations.

3. Power supply for inverters, refrigerators, lighting, and electronic equipment.

4. Mobile and marine applications requiring high continuous discharge.

5. Replacement for AGM or gel batteries in high-demand 12V systems.

Advantages and Benefits

• Extended autonomy thanks to its high true capacity of 310Ah.

• Much longer lifespan compared to traditional batteries, reducing long-term costs.

• Advanced safety with LiFePO4 technology, free from fire or explosion risks.

• Stable performance even under high loads and deep discharges.

• Full monitoring and control from your smartphone via Bluetooth 4.0.

• Safe charging in cold climates thanks to automatic heating activation.

• No memory effect and no need for full charge/discharge cycles.

Product Technical Specifications

• Technology: Lithium Iron Phosphate (LiFePO4).

• Nominal voltage: 12.8 V.

• Nominal capacity: 310 Ah.

• Total energy: 3968 Wh.

• Recommended charging current: 90 A.

• Maximum charging current: 155 A.

• Maximum continuous discharge current: 200 A.

• Peak discharge current: up to 640 A.

• Integrated smart BMS with full electronic protections.

• Built-in Bluetooth 4.0 with Ultimatron France mobile application.

• Integrated heating function: 80 W.

• Automatic heating activation below 0 °C.

• Charging temperature range: 0 to 50 °C.

• Discharge temperature range: -20 to 75 °C.

• Cycle life: over 6000 cycles at 80% depth of discharge.

• Dimensions: 355 × 306 × 190 mm.

• Weight: 29.3 kg.

• Protection rating: IP62.

• Certifications: CE, UN38.3, UL1642, IEC62133, ECE R10.

• Manufacturer warranty: 5 years.

Usage Recommendations

• Use chargers and inverters compatible with LiFePO4 lithium batteries.

• Correctly configure charging parameters on the inverter or solar charge controller.

• Do not install in fully sealed spaces; allow basic ventilation.

• For series or parallel connections, always use batteries of the same model and condition.

• Download the official Ultimatron app for monitoring and preventive diagnostics.

Important Information for the Customer

• The integrated heating system does not consume battery energy; it activates only when external charging current is detected at low temperatures.

• The BMS automatically disconnects charging or discharging if abnormal values are detected, protecting both the battery and the system.

• Up to 8 batteries can be connected and monitored simultaneously through the mobile app.

• Ideal as a direct replacement for AGM or gel batteries without ongoing maintenance requirements.

Frequently Asked Questions

1. Can this battery be used in 24V or 48V solar systems?
Yes. It supports series and parallel connections for 12V, 24V, 36V, and 48V systems when installed according to recommended guidelines.

2. Does it work properly in cold climates?
Yes. It features an automatic internal heating system that allows safe charging even at sub-zero temperatures.

3. Does the battery require regular maintenance?
No. LiFePO4 technology is maintenance-free and does not require topping up or equalization.

4. Can I monitor the battery from my phone?
Yes. Built-in Bluetooth 4.0 allows real-time monitoring of voltage, current, temperature, cycles, and overall battery status via the mobile app.

5. Is it safe for indoor use, such as inside campers or motorhomes?
Yes. It is one of the safest battery technologies available, with no emissions, no explosion risk, and multiple electronic protections.

If you need more information, please do not hesitate to contact us: Contact