12v 620/660Ah Vanlife LiFePO4 Slimline Battery

🔋 VanLiFe 620Ah / 660Ah Slimline Lithium Battery

LiFePO4 12.8V – 300A BMS | Ultra High Capacity Slim Design

The VanLiFe 620–660Ah Slimline Lithium Battery delivers massive usable power in a compact, space-saving footprint, making it perfect for tight installations without sacrificing performance.

Built with automotive-grade LiFePO4 cells and a high-output 300A BMS, this battery is engineered for serious off-grid systems, caravans, 4WD builds, marine setups, and high-demand applications.

⚡ Key Features

🔋 Slimline High-Capacity Design

• 620Ah standard capacity
• Upgrade to 660Ah (same footprint)
• Ideal for installs where space is limited:
  • Behind seats
  • Canopies
  • Caravan battery compartments

🔥 Extreme Power Output

• 300A continuous discharge
• 300A continuous charge
• Handles:
  • Large inverters (300W–3600W)
  • Air conditioners
  • Induction cooking
  • Full off-grid systems

🔒 Advanced BMS Protection

• Over current protection:
  • 320A for 10 seconds
• Auto reset after 35 seconds

Full protection against:

• Over / under voltage
• Over current
• Temperature extremes

🌡️ 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)

Designed for Australian environments.

🔄 Long Cycle Life

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

Ideal 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 with high-temperature sealant
• Built for:
  • Off-road vibration
  • Caravan & marine use

🔩 Installation Ready

• M10 terminals for high current connections
• 1/2” BSP vent outlet thread
• Mounting feet with 8mm holes

⚠️ Mounting tabs can be trimmed if required
(do NOT cut into battery case – voids warranty)

📊 Specifications

• Voltage: 12.8V
• Capacity:
  • 620Ah
  • Upgrade to 660Ah
• Weight: 54.5kg
• Chemistry: LiFePO4

Protection Limits:

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

📏 Dimensions

• Length: 693.4mm (713.4mm including mounting feet)
• Width: 182.6mm
• Height: 253.2mm

🏕️ 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 VanLiFe 620–660Ah Slimline?

✔ Massive capacity in a slimline form factor
✔ 300A continuous output for serious loads
✔ 8000 cycle lifespan capability
✔ Rugged steel construction for harsh environments
✔ Upgrade to 660Ah without increasing size