• Batteries
  • Exotronic
Built for the Adventure.
Regular price
$1,899.00
Sale price
$1,899.00
Regular price
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Product details

Power demanding off-grid systems with the Exotronic 12V 400Ah Alpha Series Smart Lithium Battery. Designed for caravans, motorhomes, marine applications, off-grid power systems and industrial installations, this high-capacity LiFePO4 battery delivers reliable energy storage, advanced safety features and intelligent Bluetooth monitoring in a compact, IP67-rated design.

Built around premium A Grade aluminium-cased prismatic LiFePO4 cells and a 300A JBD Battery Management System (BMS), the Alpha Series is engineered to provide dependable performance in demanding environments. Whether you're running a large inverter, powering extended off-grid stays or building a scalable battery bank, this battery offers the capacity and flexibility to support your setup.

Key Features

  • 400Ah usable LiFePO4 capacity

  • IP67 dustproof and waterproof construction

  • Real-time Bluetooth monitoring

  • 300A JBD Battery Management System

  • Integrated On/Off/Reset button

  • Audible and visual low battery alarm at 10% State of Charge

  • 1.2A Active Cell Balancer

  • Premium A Grade aluminium-cased prismatic cells

  • IEC 62619 Certified Cells

  • Supports up to 4 batteries in parallel and 4 in series

Built for Serious Off-Grid Power

With up to 300A continuous discharge capability, this battery is well suited to high-powered inverter systems up to 3000W, making it ideal for larger touring vehicles, caravans, marine installations and off-grid cabins. Despite its substantial capacity, the compact footprint makes installation easier where space is limited.

Advanced Battery Protection

The integrated 300A JBD Battery Management System continuously monitors battery performance to help protect against overcharging, over-discharging, excessive current, short circuits and abnormal temperatures. Combined with active cell balancing and premium LiFePO4 chemistry, the Alpha Series is designed for long-term reliability and safe operation.

Bluetooth Monitoring & Intelligent Control

Monitor battery voltage, current, State of Charge, cell voltages, temperatures and system alarms directly from your smartphone via Bluetooth. The integrated On/Off/Reset button also allows the battery to be safely isolated or reset after a protection event without disconnecting cables.

Low Resistance Connections

Solid brass connections with brass bolts, washers, and spring washers are used for extremely low resistance, reducing voltage drop, losses, and heat build-up at the terminals.

Expand Your Power with Parallel and Series Connection

Easily scale up your power storage by connecting up to 4 batteries in parallel and 4 in series to create a 16-battery system. This flexibility allows you to tailor your energy reserves to meet your specific needs, ensuring you have the power you need, when you need it.

Ideal Applications

This battery is suitable for:

  • Caravans

  • Motorhomes and RVs

  • 4WD touring

  • Marine applications

  • Off-grid homes and cabins

  • Tiny homes

  • Industrial and commercial power systems

  • Backup power systems

Please note: This battery is designed for deep cycle energy storage and is not intended for engine starting or under-bonnet installations.

Specifications

Battery Performance
Battery Capacity 400Ah
Nominal Voltage 12.8V
Continuous Discharge Current (30 min) 300A
Peak Discharge Current (1 sec) 500A
Trip Current (10 sec) 310A
Nominal Continuous Charge Current 120A
Maximum Continuous Charge Current 150A
Absorption Voltage 14.0–14.2V
Float Voltage 13.5V
Maximum Recommended Inverter Size 3000W
Balance Current 1.2A
Protection & Configuration
Low Voltage Trip 10V
High Voltage Trip 14.6V
Maximum Parallel Batteries 4 (same model)
Maximum Series Batteries 4 (same model)
Dimensions & Weight
Dimensions (L × W × H) 346 × 192 × 270mm (390mm including handles, 280mm including terminals)
Weight 33.2kg
Mounting Orientation Upright or Side
Construction
Case Material ABS
Terminal M8 Bolt (10mm Depth)
Recommended Terminal Torque 12Nm (14Nm Maximum)
Temperature Performance
Charging Temperature 5°C to 45°C
Discharging Temperature -20°C to 55°C
Storage Temperature -20°C to 60°C
Additional Information
Cycle Life >3000 Cycles (100% DoD @ 25°C)
Capacity Measurement 14.6V to 10V at 0.3C @ 25°C
Ideal Storage Conditions 25°C, 40% State of Charge (approx. 13V)
Ventilation Requirement Minimum 10mm Clearance on All Sides

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