Name: 12V 135Ah DL+ LiFePO₄ Dual Purpose Battery
Brand: Dakota Lithium
SKU: DL-13512-DP
Price: 899.00 USD
Availability: InStock

12V 135Ah DL+ LiFePO₄ Dual Purpose Battery

$899.00 $1,049.00

12V 135Ah DL+ LiFePO₄ Dual Purpose Battery

DL-13512-DP

The Dakota Lithium 12V 135Ah DL+ LiFePO₄ Dual Purpose Battery combines high-capacity deep-cycle energy with compatible engine-starting capability for marine starting and house power, automotive, and RV applications. Built-in heating supports charging when temperatures drop, while the dual-purpose design can help consolidate starting and accessory power into one battery.

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

$899.00 $1,049.00

50% Off Powerbox w/ Battery Powerbox 135 Rugged Power Station Case (w/ 2000W Inverter)

Powerbox 135 Rugged Power Station Case (w/ 2000W Inverter) ~~$349~~ $299

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Big Power. One Battery.

The Dakota Lithium 12V 135Ah DL+ is built for demanding marine, automotive and RV systems that need serious deep-cycle energy and compatible engine-starting capability from the same battery. Its high-capacity dual-purpose design can support substantial accessory loads while helping simplify systems that might otherwise rely on separate starting and house batteries. Internal heating adds cold-weather charging capability for customers who do not stop using their equipment when temperatures drop.

Key Advantages

135Ah + Starting Capability

High-capacity deep-cycle power with compatible engine-starting capability in one battery.

Self Heated for Cold-Weather Charging

Internal heating supports charging in cold conditions for demanding mobile and marine use.

11-Year Limited Warranty

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

Common Applications

Marine engine starting and house loads
Automotive and truck starting
RV house power
Trolling motors and marine electronics
Golf carts and high-current accessory systems
Car audio

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	135Ah
Nominal Energy	1,728Wh
Battery Type	Dual Purpose
Terminal Type	M8 + automotive post adapters

Technical Specifications
Max Discharge Current	135A
Peak / Pulse Discharge	800A ≤3 sec
CCA / Starting	~950 CCA
Recommended Charge Voltage	14.6V
Recommended Charge Current	27A
Max Charge Current	135A
Recommended Operating Temperature (Discharge)	-4°F to 167°F (-20°C to 75°C)
Low-Temperature Charge Protection	Yes
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.

Dimensions
Length	9.06 in
Width	6.85 in
Height	7.87 in (8.62 H overall)
Weight	26.7 lb
Standard Size Footprint	Group 25 / Group 35
*Disclaimer	Group sizes and form factors are provided as dimensional references only. Battery compartments, terminals, connections, hold-downs and clearance requirements may vary. Always verify the battery dimensions and specifications for your application before purchase.