Custom Lithium 24V 400Ah Ultra Slim Lithium Battery
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Custom Lithium 24V 400Ah Battery – Plenty of Power Without Taking Up the Whole Space!
Ever tried packing your touring setup only to realise the battery takes up half the bloody storage space? It’s a common headache for caravaners and 4WD travellers who need serious power but don’t want to sacrifice room for gear.
The Custom Lithium 24V 400Ah Battery solves that problem with a massive amount of usable power packed into a slim design that fits where bulky batteries simply can’t. Whether you’re running a fridge, lights, inverter or the odd gadget out in the bush, this battery keeps things running without turning your setup into a game of Tetris.
If you’re ready for big power without the bulk, check it out today.

Why The 24V 400Ah Ultra Slim Lithium Battery May Be Right For You:
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Enjoy reliable power wherever you pull up thanks to the massive 400Ah lithium capacity, so you can run fridges, lights and gear for longer without stressing about flattening the battery.
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Save valuable space in your setup with the ultra-slim battery design, making it easier to fit serious power into tight canopy, caravan or boat installs without turning packing into a headache.
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Spend more time enjoying the trip and less time worrying about your power system with the advanced lithium battery technology, giving you dependable performance when you’re miles from the nearest power point.
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Keep your gear running smoothly and efficiently thanks to the stable 24V output, helping your appliances and inverters operate properly so your off-grid setup works exactly how it should.
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Get a battery built for real Aussie adventures with the rugged Custom Lithium build quality, giving you the confidence to head off-grid knowing your power system can handle the journey.
24V 400Ah Ultra Slim Custom Lithium Package Contents:
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1 × 24V 400Ah Ultra Slim Custom Lithium Battery
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1 × Pre-installed Battery Management System (BMS)
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1 × User Manual
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Mounting hardware (if included with your order)

Custom Lithium 24V 400Ah Battery Installation Guide:
Custom Lithium 24V 400Ah Ultra Slim Lithium Battery Tech Specs
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Battery Capacity: 400Ah
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Nominal Voltage: 24V (25.6V nominal)
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Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Energy Capacity: Approx. 10.2kWh
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Battery Management System: Integrated Smart BMS
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Cycle Life: Up to 6000 cycles
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Cell Type: A-grade lithium cells
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Design: Ultra-slim battery case
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Application: Suitable for caravans, 4WDs, boats and off-grid systems
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Manufactured In: Australia
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Warranty: 7 years
