Custom Lithium Next Generation 1250Ah Ultra Slim XL Lithium Battery

Custom Lithium Next Generation 1250Ah Ultra Slim XL Lithium Battery

The Custom Lithium Next Generation 1250Ah Ultra Slim XL Lithium Battery delivers exceptional energy capacity in a compact, space-efficient design. Perfect for 4×4 vehicles, RVs, marine applications, and off-grid solar systems, this battery provides reliable long-life performance for high-demand 12 V systems.

Constructed with premium LiFePO₄ cells and an advanced Battery Management System (BMS) with active cell balancing, this battery ensures maximum safety, stability, and longevity under continuous use. Its Ultra Slim XL design allows installation in large battery bays, under camper floors, or alongside other batteries, providing massive energy storage without the bulk of traditional deep-cycle batteries.

Benefits

• Extended off-grid power: Supports multi-day adventures without frequent recharging

• Space-efficient design: Slim XL form factor fits in tight battery bays

• High-load performance: Handles demanding electrical systems reliably

• Safe & reliable: BMS ensures stable performance and protection

• Maintenance-free operation: Unlike lead-acid, no equalizing or watering needed

Perfect For:

• 4×4 and overland vehicles with large auxiliary battery banks

• RVs, camper trailers, and caravans needing extended run-time

• Marine vessels with high electrical demands

• Off-grid solar and inverter setups

• Remote expeditions, boondocking, and touring adventures