Next Generation Ultra Slim Lithium Battery 400Ah

🔋 Next Generation Ultra Slim Lithium Battery (400Ah)

Maximum Capacity. Extreme Power. Built for Serious Off-Grid Systems.

Take total control of your off-grid power with the Next Generation Ultra Slim 400Ah Lithium Battery—engineered for high-demand systems that require massive capacity, extreme output, and uncompromising reliability.

Designed to fit where others can’t, this battery delivers huge energy reserves in a space-efficient form, making it ideal for advanced 4WD, caravan, marine, and remote power setups.

🚀 Why This Battery Stands Out

📏 Ultra-Slim High-Capacity Design
Massive 400Ah capacity in a compact footprint—perfect for high-performance systems with limited space.

⚡ Extreme Power Output
Delivers 380A continuous and up to 1800A peak discharge, handling heavy loads with ease.

🛡️ Advanced Heltech BMS + Active Balancer
Protects against overheating, over-discharge, and low-temperature charging, while maintaining optimal cell balance.

🔋 Premium LiFePO4 Cells
A-grade automotive lithium cells ensure maximum safety, long lifespan, and superior efficiency.

🛠️ Heavy-Duty Aluminium Enclosure
Built to withstand vibration, corrugations, and harsh environments for long-term durability.

🇦🇺 Australian Made Quality
Proudly built in Brisbane and individually bench-tested to the highest standards.

🛡️ 7-Year Warranty
Backed by a full 7-year warranty for total peace of mind.

🔌 Power Everything You Need

Run full off-grid systems without compromise:

• 📡 Starlink systems
• ⚡ 240V inverter setups
• ❄️ Fridges & freezers
• 🍳 Induction cookers
• 🔧 Air compressors & power tools
• 💻 Workstations & electronics
• 💡 Complete lighting systems

🌍 Perfect For:

• 🚐 Large caravan & touring builds
• 🚗 High-end 4WD setups
• 🚤 Marine and offshore systems
• 🏕️ Long-term off-grid living

🧠 Built for Real-World Conditions

Designed by off-road enthusiasts, this battery is engineered to handle extreme loads, rough terrain, and long-duration travel—giving you confidence to go further.

🔒 Safety Meets Extreme Performance

Combining LiFePO4 chemistry with a high-current BMS, this battery delivers safe, stable, and efficient power, even under the most demanding conditions.

📊 Technical Specifications

• 🔋 Capacity: 400Ah
• ⚡ Nominal Voltage: 12.8V
• 🔌 Charge Voltage: 14.2V – 14.6V
• 🔋 Float Voltage: 13.4V – 13.6V
• ⚡ Continuous Discharge: 380A
• ⚡ Peak Discharge: 1800A (Protection)
• 🔌 Recommended Charge: 200A
• 🔻 Cut-Off Voltage: 10.5V
• 🌡️ Operating Temp: -20°C to 60°C
• 🔩 Terminals: M10

📐 Dimensions & Weight

• 📏 Core Size: 610 × 405 × 116 mm
• 📏 Overall Size: 645 × 475 × 119 mm
• ⚖️ Weight: 41.5 kg

⚠️ Installation Notes

• For canopy base installations, do not rely on bottom mounting rails alone—ensure the battery weight is fully supported by the floor.
• Installation by a qualified auto electrician is strongly recommended.

🇦🇺 Built to Go the Distance

Proudly Australian Made, this battery is built to deliver maximum power, durability, and reliability for serious off-grid users.