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12V 400Ah Stackable LiFePO4 Battery

12V 400Ah Stackable LiFePO4 Battery

SKU:12V400ASTACK

Regular price $2,995.00
Regular price Sale price $2,995.00
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🔋 VanLiFe 12V 400Ah Stackable LiFePO4 Battery

LiFePO4 12.8V | 300A BMS | Stackable Steel Case | Built for Serious Off-Grid Power

The VanLiFe 12V 400Ah Stackable Lithium Battery is designed for high-demand 12V power systems where large capacity, strong discharge performance, and clean installation are essential.

With a powerful 300A continuous charge and discharge BMS, this battery is capable of supporting serious inverter setups, making it ideal for caravans, motorhomes, 4WD builds, marine systems, off-grid solar, and mobile power applications.

Built inside a sealed zinc-plated, powder-coated steel enclosure, the VanLiFe 400Ah features a vent outlet, integrated mounting holes, and a stackable design for clean, secure system expansion.


Key Features

🔋 Massive 400Ah Capacity
Delivers serious usable power for large 12V setups, including fridges, inverters, lighting, pumps, appliances, and full off-grid systems.

Supports High-Power Inverter Systems
Designed to power demanding setups, including inverter systems up to 3500W when correctly installed with suitable cabling, fusing, and charging equipment.

🔌 300A Continuous Discharge
Built for heavy loads and high-current applications.

🔋 300A Continuous Charge Capability
Supports fast charging from compatible lithium chargers, solar systems, and DC-DC charging systems.

⚖️ Active + Passive Cell Balancing
Helps maintain cell health, improve efficiency, and support long-term battery reliability.

🛡️ Advanced BMS Protection
Protects against over-current, over-voltage, under-voltage, high temperature, and low temperature conditions.

🧰 Stackable Steel Enclosure
Designed with mounting holes for secure installation and stacking multiple units.

📘 AS/NZS3001.2:2022 Installation-Focused Design
Includes vent outlet and protection features required for modern compliant installation setups.


🔥 Built for Serious Applications

The VanLiFe 400Ah Stackable is ideal for running:

Large inverters
Caravan power systems
Fridges and freezers
Induction cooking
Coffee machines
Pumps and lighting
Solar storage systems
Off-grid touring setups
Mobile business power systems


🔒 BMS Protection Specifications

Protection Feature Specification
Continuous Discharge 300A
Continuous Charge 300A
Over-Current Protection 320A for 10 seconds
Reset Time 35 seconds
Low Voltage Shutdown 10V
Low Voltage Restart 10.5V
High Voltage Disconnect 15V
High Voltage Restart 14.8V

🌡️ Temperature Protection

Protection Type Disconnect Reset
Low Temp Charge 1°C 2°C
Low Temp Discharge -20°C -15°C
High Temp Charge 55°C 50°C
High Temp Discharge 60°C 55°C

🔌 Charging Profile

For best performance, use a lithium-compatible charger with the following settings:

  • Bulk Charge: 14.2V – 14.6V
  • Ideal Bulk Charge: 14.4V
  • Absorption: 14.2V – 14.6V
  • Ideal Absorption: 14.4V
  • Float: 13.4V – 13.6V
  • Ideal Float: 13.5V

🔄 Long Cycle Life

The automotive-grade cells used in this battery are designed to withstand 3000 cycles at 80% depth of discharge under heavy electric vehicle use.

That means daily cycling from full charge down to 20% state of charge would take approximately 8.2 years to reach 3000 cycles. In lighter applications such as caravan, RV, and storage systems, service life may be even longer.


📊 Technical Specifications

Specification Details
Battery Chemistry LiFePO4 Lithium
Nominal Voltage 12.8V
System Suitability 12V systems
Capacity 400Ah
BMS Continuous Discharge 300A
BMS Continuous Charge 300A
Terminal Size M10
Vent Outlet Thread 1/2 inch male BSP
Case Material Zinc-plated, powder-coated steel
Weight 48kg
Design Stackable with mounting holes

📏 Dimensions

  • Length: 438mm
  • Width: 420mm
  • Height: 153.4mm

🏕️ Ideal Applications

🚐 Caravans & motorhomes
🚙 4WD canopy systems
☀️ Off-grid solar storage
⛵ Marine power systems
🏕 Camper trailers
🔌 High-output inverter setups
🚚 Mobile business power systems
🏡 Backup power systems


Why Choose the VanLiFe 400Ah Stackable?

Huge 400Ah lithium capacity
Powerful 300A continuous charge and discharge capability
Suitable for high-demand inverter systems
Active and passive cell balancing
Durable powder-coated steel case
Stackable design for expandable systems
Vent outlet for compliant installation setups
Long-life automotive-grade lithium cells
Designed for serious off-grid and mobile power applications


🛒 Build a Stronger 12V Power System

Upgrade to the VanLiFe 12V 400Ah Stackable Lithium Battery and power your setup with high-capacity, high-output lithium performance built for demanding conditions.

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