Next Generation Ultra Slim 620Ah LiFePO4 Battery | 380A BMS

🔋 CUSTOM LITHIUM NEXT GENERATION ULTRA SLIM 620AH LiFePO4 BATTERY – AUSTRALIAN MADE

620Ah • 12.8V LiFePO4 • 380A Continuous Discharge • 150mm Battery Thickness • 314A Recommended Charge • 47.5kg • 7 Year Warranty

The Custom Lithium Next Generation Ultra Slim 620Ah Battery is built for serious off-grid electrical systems requiring exceptionally high energy storage without relying on multiple conventional battery cases.

With a massive 620Ah of LiFePO4 capacity housed within a battery body approximately 150mm thick, it provides substantial usable energy while maintaining the low-profile form factor of the Ultra Slim range.

A stated 380A continuous discharge capability, premium A-grade automotive LiFePO4 cells, high-current Heltech BMS and active cell balancing make the 620Ah model suitable for demanding caravan, canopy, motorhome and appropriately engineered high-power inverter installations.

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⭐ KEY FEATURES

🔋 Massive 620Ah LiFePO4 Capacity
Provides exceptionally high energy storage for extended off-grid travel, caravans, motorhomes, canopy systems and remote-power applications.

⚡ 380A Continuous Discharge
High-current capability supports demanding 12V equipment and appropriately designed high-power inverter systems.

📏 Low-Profile 150mm Battery Body
Packages 620Ah of lithium capacity into a battery body approximately 150mm thick, helping reduce the installation depth required for such a large battery bank.

🔌 314A Recommended Charge Current
The supplied technical specification lists a recommended charge current of 314A, allowing the battery to accept substantial charging power when paired with a suitably engineered charging system.

🛡️ Aluminium Enclosure
The custom aluminium housing is designed to reduce the battery footprint while protecting the cells and internal components.

🧠 High-Current Heltech BMS
The battery management system helps safeguard against overheating and over-discharge while managing battery operation.

⚖️ Active Cell Balancing
The integrated active balancer helps manage individual cells and maintain consistent battery performance.

🔋 Premium A-Grade Automotive LiFePO4 Cells
Built using premium lithium iron phosphate cells for demanding mobile and off-grid electrical systems.

🚙 Designed for Rugged Touring Conditions
Internal components are insulated against vibration to help protect the battery during corrugated-road and remote-area travel.

🧪 Individually Bench Tested
Each battery is individually bench tested before supply as part of Custom Lithium's quality-control process.

🇦🇺 Australian Made
Built in Brisbane and supplied as a certified Australian Made product.

🛡️ 7 Year Warranty
Backed by a full 7-year manufacturer warranty.

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📐 620AH WITHOUT A CONVENTIONAL MULTI-BATTERY FOOTPRINT

The Ultra Slim range is designed to package substantial lithium capacity into a relatively low-profile enclosure.

Suitable applications can include:

• High-capacity 4WD canopy systems
• Caravans & camper trailers
• Motorhomes & RVs
• Custom vehicle storage systems
• Mobile trade & remote-work setups
• High-demand off-grid installations
• Systems requiring extended operation between charging opportunities

The battery body measures approximately 610mm L × 405mm H × 150mm W.

The supplied overall dimensions are 645mm L × 475mm H × 160mm W.

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🚐 BUILT FOR SERIOUS OFF-GRID POWER

With 620Ah of lithium capacity and substantial continuous-current capability, the Next Generation Ultra Slim can support compatible equipment including:

• ❄️ 12V fridges & freezers
• 💡 Vehicle & camp lighting
• 📡 Starlink
• 💻 Computers & electronics
• 📷 Cameras & charging equipment
• 💨 Air compressors
• 🛠️ Tools & battery chargers
• ☕ Coffee machines through a suitable inverter
• 🍳 Induction cooking through an appropriately engineered inverter system
• 🔌 Compatible 240V appliances through a suitable inverter

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🔋 PREMIUM LiFePO4 CELL TECHNOLOGY

The battery is constructed using A-grade automotive LiFePO4 cells combined with a high-current Heltech BMS and active cell balancing.

The supplied product information describes LiFePO4 as suitable for demanding mobile and off-grid applications where safety, reliability and consistent electrical performance are important.

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📊 TECHNICAL SPECIFICATIONS

Capacity: 620Ah

Nominal Voltage: 12.8V

Continuous Discharge: 380A

Recommended Charge Current: 314A

Charge Voltage: 14.2–14.6V

Absorption / Float Voltage: 13.4–13.6V

Low-Voltage Cut-Off: 10.5V

Operating Temperature: 0°C to 60°C

Terminals: M10

Battery Dimensions: 610mm L × 405mm H × 150mm W

Overall Dimensions: 645mm L × 475mm H × 160mm W

Weight: Approx. 47.5kg

Battery Chemistry: LiFePO4

Cells: Premium A-Grade Automotive LiFePO4

BMS: Heltech High-Current BMS

Cell Balancing: Active Balancer

Enclosure: Aluminium

Warranty: 7 Years

Manufactured: Brisbane, Australia

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⚡ 380A CONTINUOUS DISCHARGE

The stated 380A continuous discharge capability provides substantial current availability for demanding auxiliary power systems.

This allows the 620Ah battery to form part of an appropriately designed high-power inverter installation, provided the inverter, cabling, fuse protection, isolation and battery connections are correctly engineered.

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🔌 HIGH-CAPACITY CHARGING

The supplied specifications list a recommended charge current of up to 314A.

• Recommended Charge Current: 314A
• Bulk / Charge Voltage: 14.2–14.6V
• Absorption / Float Voltage: 13.4–13.6V

Lower-output compatible charging equipment can also be used, although recharge times will increase accordingly.

For a battery bank of this capacity, an effective charging strategy may incorporate multiple charging sources such as vehicle DC-DC charging, solar and 240V mains charging.

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🇦🇺 AUSTRALIAN MADE

Custom Lithium states that the Next Generation Ultra Slim battery is Australian Made certified and manufactured in Brisbane.

Each battery is individually bench tested before supply and backed by a 7-year manufacturer warranty.

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🛠️ INSTALLATION CONSIDERATIONS

• Use the stated overall dimensions when checking available installation space
• Battery body thickness is approximately 150mm
• Overall stated thickness is approximately 160mm
• Allow suitable clearance for terminals, heavy-current cabling and service access
• Correct structural support is essential due to the battery's 47.5kg weight
• Correct cable sizing, fuse protection and isolation are required
• Professional installation by a qualified auto electrician is recommended

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❓ QUICK FAQ

How thick is the Next Generation Ultra Slim 620Ah battery?

The supplied specifications list the battery body as approximately 150mm thick, with an overall stated thickness of approximately 160mm.

What type of system is the 620Ah model intended for?

It is aimed at high-capacity caravan, motorhome, 4WD canopy and off-grid installations requiring substantial stored energy and strong continuous-current capability.

Can the 620Ah battery run a large inverter?

It can form part of an appropriately engineered high-power inverter system. The supplied continuous discharge rating is 380A, but inverter suitability depends on actual DC current demand, surge requirements, cable sizing, fuse protection and BMS limitations.

Can it power induction cooking?

Potentially, when paired with a suitable inverter and correctly engineered DC installation. Actual suitability depends on the induction cooker's power demand, inverter efficiency and other simultaneous electrical loads.

What charging profile should I use?

The supplied specifications call for a 14.2–14.6V charge voltage and 13.4–13.6V absorption/float voltage.

What charge current is recommended?

The supplied technical specification lists a recommended charge current of 314A. Lower-output compatible charging systems can be used but will increase recharge time.

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🔋 620AH OF SERIOUS OFF-GRID ENERGY STORAGE

With 620Ah of LiFePO4 capacity, 380A continuous discharge capability, active balancing and a low-profile aluminium enclosure, the Custom Lithium Next Generation Ultra Slim 620Ah is built for large off-grid systems requiring substantial energy storage without relying on multiple conventional battery cases.

Maximum capacity. High-current performance. Australian made.