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Twin Pack Exotronic 12V 400Ah Alpha IP67 Smart Bluetooth Lithium Battery

A rugged, IP67-rated 800Ah deep-cycle lithium power solution designed for off-grid 4x4, caravan, and marine setups.


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DESCRIPTION

Twin Pack 400Ah Lithium Power for Large-Scale Off-Grid Energy Storage

Unlock exceptional energy capacity with the Twin Pack Exotronic 12V 400Ah Alpha IP67 Smart Bluetooth Lithium Batteries. Designed for serious off-grid applications, this twin battery package delivers an enormous 800Ah battery bank when configured in a 12V system or 400Ah in a 24V setup. Perfect for caravans, RVs, marine vessels, off-grid homes, industrial equipment, remote work sites, and large solar installations, these batteries provide the dependable power reserves needed for extended operation in demanding environments.

Built using premium A-Grade LiFePO4 prismatic cells and advanced battery management technology, each battery is engineered to provide outstanding cycle life, stable power delivery, and long-term reliability. Whether you're powering large inverters, air conditioning systems, refrigeration, induction cooktops, communications equipment, workshop tools, or complete off-grid energy systems, this twin pack is designed to handle substantial energy demands with ease.

Key Features

  • Complete Twin Pack: Includes two Exotronic 12V 400Ah Alpha Series LiFePO4 batteries.
  • Massive Energy Storage Capacity: Build an 800Ah 12V battery bank or a 24V 400Ah lithium power system.
  • IP67 Rated Protection: Fully sealed against dust and highly resistant to water ingress.
  • Smart Bluetooth Monitoring: Monitor battery status, voltage, capacity, current draw, and temperature from your smartphone.
  • Advanced Battery Management System: Comprehensive protection against overcharge, over-discharge, short circuit, over-current, and temperature extremes.
  • Premium A-Grade Lithium Cells: Long-lasting LiFePO4 chemistry designed for reliable deep-cycle performance.
  • Ideal for Large Power Systems: Perfect for high-capacity solar storage, marine installations, and remote energy applications.

Advanced Bluetooth Monitoring and Intelligent Battery Management

Stay informed and in control with integrated Bluetooth connectivity. Using a compatible smartphone, you can access real-time battery information including state of charge, battery voltage, current consumption, operating temperatures, and overall battery health. This advanced monitoring capability allows you to optimise power usage, plan energy consumption more effectively, and maximise available runtime.

The sophisticated internal Battery Management System continuously monitors and protects the lithium cells, helping to prevent damage caused by overcharging, excessive discharge, short circuits, high current loads, and temperature fluctuations. This intelligent protection system contributes to improved safety, greater reliability, and longer battery life.

Built for Australia's Harshest Conditions

The Alpha Series has been developed to perform in demanding environments commonly encountered throughout Australia. Featuring a rugged IP67-rated enclosure, these batteries are protected against dust, dirt, moisture, mud, and water exposure, making them ideal for off-road touring, marine applications, industrial installations, and exposed off-grid energy systems.

Heavy-duty construction, premium internal components, and low-resistance terminals ensure efficient power transfer and dependable performance under sustained loads. Whether installed in a caravan, RV, boat, tiny home, commercial vehicle, or remote solar installation, these batteries are engineered to deliver reliable power when it matters most.

Ideal for High-Demand Off-Grid and Industrial Applications

This twin 400Ah lithium battery package is an excellent solution for customers searching for an 800Ah lithium battery bank for caravans, a high-capacity Bluetooth lithium battery for off-grid solar systems, a marine-grade IP67 lithium battery setup, or a large-scale deep-cycle energy storage solution for industrial and commercial applications. The substantial storage capacity makes it ideal for extended off-grid living, large inverter systems, backup power installations, remote communications infrastructure, and renewable energy storage projects.

Upgrade your caravan, RV, marine vessel, off-grid home, industrial facility, or solar power system with the Twin Pack Exotronic 12V 400Ah Alpha IP67 Smart Bluetooth Lithium Batteries and enjoy exceptional lithium power capacity built for long-term performance in Australia's toughest environments.


SKU: Exo-2x-Li-400

SPECIFICATIONS

Specifications

Battery Capacity

400Ah

Battery Nominal Voltage

12.8V

Continuous Discharge Current (30 Min)

300A

Peak Current (1s)

500A

Trip Current (10s)

310A

Maximum Inverter Size

3000W

Maximum Number of Parallel Batteries

See manual for acceptable wiring

4 of the same model

Maximum Number of Series Batteries

See manual for acceptable wiring

4 of the same model

Low Voltage Trip

10V

High Voltage Trip

14.6V

Balance Current

1.2A

Length

Width

Height

346mm (390mm including handles)

192mm

270mm (280mm including the terminal)

Weight

33.2kg

Mounting Orientation

Upright/Side

Nominal Continuous Charge Current

120A

Maximum Continuous Charge Current

150A

Absorption Voltage

14.0 - 14.2V

Float Voltage

13.5V

Cycle Life (0.3C)

>3000 100% cycles at 25C

to 80% Capacity within 5 years

Case Material

ABS

Terminal

M8 Bolt - 10mm depth

Terminal Torque

14Nm Max (12Nm Recommended)

Capacity Measurement

14.6V to 10V at 0.3C at 25C

Operating Temperature Charging

Operating Temperature Discharging

Storage Temperature

5C – 45C  

-20C – 55C

-20C – 60C

Ideal Storage Conditions

25C, 40% SoC (approx. 13V)

Battery Ventilation Required

10mm Clearance on all sides


SKU: Exo-2x-Li-400

Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.

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