If you want massive power without sacrificing space, this is as big as it gets.
The Enerdrive B-TEC 12V 400Ah LiFePO4 Slim Metal Case Battery is built for serious off-grid setups that demand maximum capacity, reliability and performance — all in a space-saving slimline design.
Perfect for large caravans, 4WD canopy builds, marine setups and full off-grid systems, this battery delivers huge usable power while still fitting into tighter install areas.
Housed in a durable metal case, it’s designed to handle tough touring conditions and long-term use. Add in Bluetooth monitoring, and you’ve got full visibility of your system straight from your phone.
Backed by an advanced Battery Management System (BMS), this battery protects against overcharge, over discharge, temperature extremes and short circuits — giving you confidence wherever your setup takes you.
🇦🇺 Why Buy From Us?
- ✅ Authorised Enerdrive Dealer
- 🇦🇺 Aussie-based support
- 🔧 Full warranty handled in Australia
- 🚚 Fast dispatch from Australian warehouses
- 🛠 Trusted supplier of premium 12V systems
Buy with confidence knowing you’re backed by a trusted Aussie business.
🔥 Key Features
- 400Ah LiFePO4 lithium battery
- Slimline design – maximum capacity in a compact footprint
- Durable metal case construction
- Built-in Bluetooth monitoring system
- Advanced Battery Management System (BMS)
- Massive usable capacity (up to 80% depth of discharge)
- Parallel capable for even larger systems
- Designed for high-demand off-grid setups
📱 Bluetooth Monitoring
Monitor your battery in real time via your smartphone:
- Battery capacity
- Voltage & current
- State of charge (SOC)
- State of health (SOH)
- Individual cell voltage
- Temperature
- Charge cycles
- Battery alarms & system alerts
⚡ Performance Benefits
- 400Ah Lithium = approx. 640Ah AGM equivalent
- Up to 60% more usable power than lead acid
- Ideal for extended off-grid use and large power systems
- More efficient, lighter and longer lasting than AGM
🛠 Technical Specifications
(Note: Exact specs can vary slightly depending on model revision — confirm if needed)
- Nominal Voltage: 12.8V
- Capacity: 400Ah
- Battery Chemistry: LiFePO4
- Cycle Life: >2500 cycles (80% DOD)
Charging
- Charge Voltage: 14.2V – 14.6V
- Float Voltage: 13.5V – 13.8V
Discharge
- Operating Temp: -20°C to 60°C
- Designed for high current, high-demand systems
📏 Size & Weight
(Slimline design — dimensions vary by model, confirm if required)
- Slim profile for tight installations
- Heavy-duty construction for long-term durability
⚠️ Important Information
- Ensure system loads match battery capability
- Professional installation recommended for large systems
- Must be installed in a protected internal environment
- Not suitable for engine bays or exposed weather areas
📦 Applications
Perfect for:
- Large off-grid caravans
- 4WD touring builds with high loads
- Marine systems
- Remote power setups
- Full off-grid electrical systems
📦 Package Contents
- Enerdrive B-TEC 400Ah Slim Metal Case Battery x 1
🛡 Warranty
- Backed by a 5 Year Australian Manufacturer Warranty
