12V 310Ah/330Ah LiFePO4 Ultraslim Battery

🔋 LiFeTek 310Ah / 330Ah Ultra Slim Lithium Battery

LiFePO4 12.8V – 300A BMS | High Capacity Slimline Power

The LiFeTek 310Ah & 330Ah Ultra Slim Lithium Battery delivers serious off-grid power in a compact, space-saving design, making it ideal for installations where depth is limited but high capacity is required.

With 300A charge & discharge capability, active + passive balancing, and long-life automotive-grade cells, this battery is built for high-demand caravan, 4WD, marine, and off-grid systems.

⚡ Key Features

📏 Ultra Slim High-Capacity Design

• 310Ah standard capacity
• Upgrade to 330Ah (same footprint)
• Slim profile (only 80mm wide)
• Perfect for:
  • Behind-seat installs
  • Canopy systems
  • Caravan wall mounting
  • Tight battery compartments

🔥 High Power Output

• 300A continuous discharge
• 300A continuous charge

Runs:

• Large inverters (300W–3600W)
• Induction cooking
• Air conditioning systems
• Full off-grid setups

⚖️ Active + Passive Cell Balancing

• Keeps cells evenly balanced
• Improves:
  • Performance
  • Charging efficiency
  • Battery lifespan

🔒 Advanced BMS Protection

• Over current protection:
  • 320A (charge & discharge) for 10 sec
• Auto reset after 35 seconds

Protection includes:

• Over / under voltage
• Over current
• Temperature protection

🌡️ Built for Harsh Conditions

• Low temp charge cut-off: 1°C (reset 2°C)
• Low temp discharge cut-off: -20°C (reset -15°C)
• High temp charge cut-off: 55°C (reset 50°C)
• High temp discharge cut-off: 60°C (reset 55°C)

🔄 Long Cycle Life

• Automotive-grade LiFePO4 cells
• 8000 cycles @ 70% DoD

Perfect for:

• Daily cycling
• Long-term off-grid living

🔌 Charging Specifications

• Bulk / Absorption: 14.2V – 14.6V (ideal 14.4V)
• Float: 13.4V – 13.6V (ideal 13.5V)

Compatible with:

• Solar systems
• DC-DC chargers
• Lithium mains chargers

🛠️ Heavy-Duty Construction

• Zinc plated & powder coated steel case
• Sealed riveted construction
• Designed for:
  • Off-road vibration
  • Caravan & marine environments

🔩 Installation

• M10 terminals
• 1/2” BSP vent outlet thread

📊 Specifications

• Voltage: 12.8V
• Capacity:
  • 310Ah
  • Upgrade to 330Ah
• Weight: 30.8kg
• Chemistry: LiFePO4

Protection Limits:

• Low voltage cut-off: 10V (restart 10.5V)
• High voltage cut-off: 15V (restart 14.8V)

📏 Dimensions

• Length: 481.89mm
• Width: 80mm
• Height: 497.8mm

🏕️ Ideal Applications

✔ Caravan & RV slim installs
✔ 4WD canopy systems
✔ Marine & boat setups
✔ Off-grid homes
✔ Food vans & mobile businesses
✔ High-demand inverter systems

🔥 Why Choose LiFeTek 310–330Ah Ultra Slim?

✔ High capacity in a compact slimline design
✔ 300A continuous output for serious loads
✔ 8000 cycle lifespan capability
✔ Active + passive balancing
✔ Upgrade to 330Ah without increasing size