Custom Lithium Next Generation 800Ah Ultra Slim XL Lithium Battery
Custom Lithium Next Generation 800Ah Ultra Slim XL Lithium Battery
The Custom Lithium Next Generation 800Ah Ultra Slim XL Lithium Battery delivers huge energy capacity in a space-efficient design, ideal for customers who need extended power without the bulk of traditional batteries. This high-capacity unit is perfect for large 4×4 power systems, long-distance RVs, marine vessels, and extensive off-grid solar setups requiring sustained, reliable, deep-cycle energy.
Built around premium lithium iron phosphate (LiFePO₄) cells and a robust Battery Management System (BMS), this battery provides safe operation, efficient charging, high discharge capabilities, and long cycle life. Its ultra-slim XL form factor allows installation in cabins, under floors, or in wide battery compartments where traditional deep-cycle supply might not fit.
Benefits
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Extended power availability: Ideal for multi-day trips and high-demand systems
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Slim form factor: Fits in narrow or shallow compartments where capacity matters
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Safe and reliable: Integrated BMS protects against common battery issues
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Versatile performance: Works with solar systems, inverters, 12 V appliances, and accessories
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High endurance: Thousands of cycles with minimal capacity fade
Perfect For:
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4×4 and overland vehicles with large power banks
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RVs and caravans needing extended off-grid operation
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Marine power systems where capacity and space efficiency matter
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Off-grid solar installations with high daily draw requirements
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Users with large inverter or accessory loads
