Description
Custom Lithium Next Generation 400Ah Ultra Slim Lithium Battery
The Custom Lithium Next Generation 400Ah Ultra Slim Lithium Battery is a high-capacity, space-efficient LiFePO₄ battery engineered for serious touring, off-grid power systems, and demanding 12 V applications. Designed and built in Australia, this battery delivers exceptional energy storage in a slimline form factor, making it ideal for drawer systems, canopies, wagons, caravans, and custom vehicle builds where space is at a premium.
With a massive 400Ah usable capacity, this battery is capable of powering fridges, inverters, lighting, cooking appliances, communications equipment, and charging systems for extended periods without compromise. The next-generation internal design incorporates a high-performance Battery Management System (BMS) to ensure safe operation, long service life, and reliable performance under heavy loads.
Unlike traditional lead-acid batteries, this lithium solution provides deep cycle capability, stable voltage output, faster charging, and significantly reduced weight, making it an ideal upgrade for modern 4WD and touring setups.
Benefits
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Massive energy storage — Ideal for long trips, remote travel, and off-grid living where reliable power is critical.
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Space-saving installation — Slimline form allows flexible mounting options without sacrificing capacity.
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Consistent power delivery — Stable voltage output protects sensitive electronics and appliances.
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Long service life — Designed for thousands of charge cycles, reducing long-term replacement costs.
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Reduced system weight — Improves vehicle payload management compared to traditional battery banks.
Ideal Applications
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4WD touring vehicles and overland builds
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Canopies, wagons, and drawer systems
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Caravans and camper trailers
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Off-grid and mobile power systems
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High-load inverter setups
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Marine and recreational power applications