Name: 12V 640Ah DL+ LiFePO₄ Dual Purpose Battery
Brand: Dakota Lithium
SKU: DL-64012-DP
Price: 2999.00 USD
Availability: OutOfStock

12V 640Ah DL+ LiFePO₄ Dual Purpose Battery

$2,999.00 $3,449.00

12V 640Ah DL+ LiFePO₄ Dual Purpose Battery

DL-64012-DP

The Dakota Lithium 12V 640Ah DL+ LiFePO₄ Dual Purpose Battery is built for advanced RV, marine, and off-grid systems where energy demand is high and battery-bank complexity adds up fast. Built-in heating supports charging when temperatures drop, while CAN bus communication enables integration with compatible system components. With 640Ah of capacity, a single battery can help reduce the number of batteries and connections required in a large 12V system.

Supported by Dragonfly Energy’s U.S.-based team and backed by an 11-year limited warranty on core battery function.

$2,999.00 $3,449.00

Built for Big 12V Systems.

The Dakota Lithium 12V 640Ah DL+ is made for advanced RV, marine and off-grid systems where energy demand is high and battery-bank complexity adds up fast. Its massive 640Ah capacity puts substantial 12V storage into one integrated battery, helping reduce the number of connections and individual batteries required in a large installation. It is a serious power platform for customers who want to simplify a high-capacity system without thinking small.

Key Advantages

640Ah from One Battery

Massive 12V capacity designed to simplify advanced high-energy systems.

Simplify Large Battery Banks

One integrated battery can reduce wiring, connections and the number of batteries in a large 12V system.

11-Year Limited Warranty

Long-term coverage on core battery function, backed by Dakota Lithium and Dragonfly Energy.

Common Applications

Large RV and coach electrical systems
Large marine house banks
Compatible engine-starting applications
Off-grid and solar energy storage
High-power inverter and accessory loads
Advanced integrated 12V power systems

Dakota Tough. Lithium Powered.

Built for demanding applications, Dakota Lithium batteries combine lightweight LiFePO₄ power with the dependable performance customers expect from Dakota. Compared with traditional lead-acid batteries, lithium delivers more usable energy, consistent power and easier ownership in a lighter package

Less Weight. More Usable Power.
Get more usable energy without the bulk and weight of traditional lead-acid batteries, helping simplify installation and reduce unnecessary system weight.

Fast, Efficient Recharging.
LiFePO₄ chemistry accepts charge efficiently, helping replenish your battery quickly when paired with compatible charging equipment.

Steady Power to the Finish.
A flatter discharge curve helps maintain consistent voltage as the battery discharges, delivering dependable power throughout more of its usable capacity.

Maintenance-Free by Design.
No watering, equalizing or acid cleanup. Dakota Lithium delivers reliable power with minimal routine maintenance.

Real Battery People. American Support.

Dakota Lithium is backed by the U.S.-based team at Dragonfly Energy, bringing years of battery experience, product knowledge, and customer support behind every purchase. Whether you need help choosing the right setup or support after the sale, there’s a knowledgeable team here to help.

Draognfly Energy systems integration team

Specifications
Battery Chemistry	LiFePO4
Nominal Voltage	12.8V
Capacity	640Ah
Nominal Energy	7,680Wh
Battery Type	Dual Purpose
Terminal Type	M10 + automotive post adapters

Technical Specifications
Max Discharge Current	300A
Peak / Pulse Discharge	600A <20 sec; 900A <5 sec
Recommended Charge Voltage	14.6V
Recommended Charge Current	100A
Max Charge Current	300A
Recommended Operating Temperature (Discharge)	-22°F to 149°F (-30°C to 65°C)
Internal Heating	Yes

Requirements for Connecting Multiple Batteries in Series or Parallel
Max in Series	4
Max in Parallel	16
Voltage	The voltage difference between batteries must be less than 1V before connection.
Age & Usage	Batteries must differ by fewer than 300 charge/discharge cycles or less than one year of use.
Connections	Use appropriately sized cables and busbars. Parallel connections must be configured to promote even current distribution between batteries.