Next Generation Ultra Slim Lithium Battery 1250Ah

🔋 Ultra Slim XL Lithium Battery (1250Ah)

Maximum Capacity. Ultimate Power. Built for Elite Off-Grid Systems.

Step into the next level of off-grid power with the Ultra Slim XL 1250Ah Lithium Battery—engineered for those who demand extreme capacity, uncompromising reliability, and professional-grade performance.

Designed for large-scale energy systems, this battery delivers massive power in a space-efficient form, making it ideal for serious 4WD builds, caravans, marine setups, and remote installations.

🚀 Why This Battery Stands Out

📏 Ultra-Slim XL High-Capacity Design
A huge 1250Ah capacity in a streamlined footprint—perfect for high-demand systems where space efficiency still matters.

⚡ Extreme Power Output
Handles heavy loads with 380A continuous discharge and up to 1800A peak, ideal for running full inverter systems and multiple high-draw appliances.

🛡️ Modified Heltech BMS + Active Balancer
Advanced protection against overheating, over-discharge, and low-temperature charging, while maintaining optimal cell balance for long-term performance.

🔋 Premium LiFePO4 Cells
Built with A-grade automotive lithium cells—offering superior safety, efficiency, and lifespan.

🛠️ Heavy-Duty Aluminium Enclosure
Engineered to withstand vibration, corrugations, and harsh environments, ensuring durability in real-world conditions.

🇦🇺 Australian Made Quality
Manufactured in Brisbane and individually bench-tested for consistent, reliable performance.

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

🔌 Power Everything Without Limits

Run full-scale off-grid systems with confidence:

• 📡 Starlink systems
• ⚡ 240V inverter setups
• ❄️ Multiple fridges & freezers
• 🍳 Induction cooking systems
• 🔧 Air compressors & heavy-duty tools
• 💻 Workstations & electronics
• 💡 Complete lighting systems

🌍 Perfect For:

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

🧠 Built for Real-World Conditions

Designed by off-road enthusiasts, this battery is built to handle extreme loads, rugged terrain, and extended remote travel, giving you the confidence to power your entire system anywhere.

🔒 Safety Meets Extreme Performance

With LiFePO4 chemistry and a high-current BMS, this battery delivers safe, stable, and efficient power, even under maximum demand.

📊 Technical Specifications

• 🔋 Capacity: 1250Ah
• ⚡ 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: 380A
• 🔻 Cut-Off Voltage: 10.5V
• 🌡️ Operating Temp: -20°C to 60°C
• 🔩 Terminals: M10

📐 Dimensions & Weight

• 📏 Core Size: 803 × 487 × 163 mm
• 📏 Overall Size: 830 × 487 × 163 mm
• ⚖️ Weight: 102 kg

⚠️ Installation Notes

• Must be hard-mounted to a solid surface (flat or side mounting as shown in product images).
• Ensure the battery weight is fully supported by the vehicle or canopy floor.
• Installation by a qualified auto electrician is strongly recommended.

🇦🇺 Built to Go the Distance

Proudly Australian Made, this battery is engineered to deliver maximum capacity, durability, and performance for the most demanding off-grid systems.