Ultimatron ULM-12V-310Ah POLAR LiFePO4 under-seat supply battery (with heater)

You have found the perfect battery for under your seat (Ducato, Jumper, Boxer, Movano, and others). The ULM-12-310Ah battery impresses with a high energy density and features, in addition to the usual Ultimatron advantages, an integrated on/off switch and a built-in heater. This means you are winter-ready and can charge your battery down to minus 20°.

Ultimatron brand batteries:
Ultimatron's supply batteries are manufactured in their own factory and consist of class A lithium cells. They stand out for their strong performance, which remains stable even under high loads. The integrated battery management system (BMS) provides comprehensive protection for the cells by continuously balancing them and monitoring performance and temperature. Via Bluetooth 4.0, the battery can be easily connected to a smartphone or tablet, allowing you to keep everything in view through the app. Ultimatron offers supply batteries in various designs and series, capacities, and operating voltages: UBL series, ULM series (under-seat), and ULS series. Some models are available with or without "Heating" (integrated heating mat), which allows the battery to be used at low temperatures by maintaining it at operating temperature.

• Extremely powerful
• Class A battery cells
• High stability even under extreme loads
• Deep, constant discharge and charge efficiency
• Integrated battery management system (BMS)
• Monitoring via Bluetooth 4.0 on smartphone or app
• Special design for under-seat installation
• Integrated heating mat (Heating)
• 5-year manufacturer warranty.