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★ Authorized Dealer | Dakota Lithium

Dakota Lithium DL+ 12V 640Ah Dual Purpose LiFePO4 Battery

Availability: In Stock

SKU PID12V640AHPLUS
$4,830.00
$4,830.00
Need Help? Call Us 800-260-8983

No Sales Tax

We do not charge sales tax on any orders, helping you save more and get the best value from your purchase.

Manufacturers Warranty Included

Warranty

We stand behind the quality of our products: 1) 30 day money back guarantee on all orders. If you are unsatisfied for any reason with one of our batteries you can return it for a refund up to 30 days after purchase. 2) 11 year manufacturer defect warranty on all batteries. If we made a mistake building your battery we will repair or replace it. See warranty & return policy for details. 3) Lifetime technical support. Reach out to support@sullivanequipmentco.com for help from our team of experts. 4) 1 year warranty on chargers, powerbox case, and accessories.

30 Day Money Back Guarantee

If you are unsatisfied for any reason with one of our batteries you can return it for a refund, less a 5% restocking fee, up to 30 days after shipping date.

30-Day Hassle Free Returns

We offer a 30 day return window on all eligible products. Items must be in the same condition they were received and include all original parts and packaging. To start a return or if you have any questions about your order, email support@sullivanequipmentco.com or call 800-260-8983. We’re here to help.

Shipping Policy

We ship fast across the U.S. Many items qualify for free shipping (exclusions may apply based on brand and product type). Most orders ship out within 1–2 business days and arrive in about 4–7 business days. Bigger or heavier items may ship by freight and will need a scheduled curbside delivery. Please double-check your contact information at checkout. If you have any questions or need help, call 800-260-8983 or email support@sullivanequipmentco.com.

KEY SPECIFICATIONS

● Voltage: 12.8V
● Storage Capacity: 640Ah / 7,680Wh
● Cold Cranking Amps: 1,000 CCA
● Max Continuous Discharge: 300A
● Max Pulse Discharge: 600A (20s), 900A (5s CCA pulse)
● Max Charge Current: 100A standard, 300A peak (60s)
● Terminals: M10 with marine & automotive grade covers
● Dimensions: 27"L × 8.07"W × 10.43"H (686 × 205 × 265 mm)
● Weight: 121 lbs / 55 kg
● Lifecycles: Up to 5,000 cycles at 80% capacity
● Operating Temperature: -20°F to 150°F (-29°C to 65°C), internal even-heat technology for sub-freezing charging
● Construction: LiFePO4 cells, flat voltage curve, active BMS protection
● Marine Grade & Waterproof: IP65
● Application: RVs, boats, off-grid systems, solar power, electric vehicles, engine starting

 

POWERFUL ALL-IN-ONE ENERGY SOLUTION

The Dakota DL+ 12V 640Ah LiFePO4 Battery delivers massive energy storage in a compact, durable case. It combines deep-cycle capacity with 1,000 CCA engine-starting power, enabling it to replace multiple AGM or lead-acid batteries while supporting critical systems like air conditioning, marine electronics, or off-grid power setups.

 

FEATURES & BENEFITS

  • High-Capacity 640Ah Battery: Provides extended runtime for large boats, RVs, workshops, or off-grid homes, replacing up to 12 lead-acid batteries with a single unit.
  • Dual-Purpose Functionality: Combines deep-cycle energy storage with 1,000 CCA for engine starting, simplifying power management and reducing equipment needs.
  • Flat Voltage Curve: Maintains consistent voltage output across the full discharge cycle, delivering reliable performance for sensitive electronics and high-demand applications.
  • Internal Even-Heat Technology: Ensures charging below freezing, extending performance and battery life in cold climates.
  • Advanced BMS Protection: Includes cell balancing, overcharge/discharge protection, short-circuit protection, and high-temperature cut-off for safe, long-lasting operation.
  • Rugged Marine-Grade Construction: Encased in IP65 waterproof housing for durability in marine, RV, or outdoor environments.
  • CAN Bus & Remote Control Ready: Easily integrates with smart power systems or automated energy management, allowing control of charge/discharge functions externally.

 

BUILT FOR ENDURANCE AND VERSATILITY

With up to 5,000 cycles at 80% capacity and backed by an 11-year warranty, this battery provides long-term reliability and efficiency for demanding applications, from marine adventures to off-grid energy systems.

 

INVEST IN MAXIMUM POWER AND RELIABILITY

Upgrade your power setup with the Dakota DL+ 12V 640Ah LiFePO4 Battery for unmatched capacity, rugged durability, and dual-purpose energy—engine starting and deep-cycle power in one compact, high-performance unit.