Dakota Lithium DL+ 12V 320Ah Dual Purpose Heated Battery Group 31


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SKU DL12V320

320 Amp Hours
1,000 Cold Cranking Amps
Internal Even-Heat Technology
Group 31 Size
IP65 Waterproof Rating
5,000+ Cycle Life
Built-in BMS Protection
65 lbs
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Safety Notice

  • 38.3 CERTIFIED LITHIUM BATTERY
  • 18+ only

Read User Manual & Safety Sheet before installation

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Dakota Lithium DL+ 12V 320Ah Dual Purpose Heated Battery - Group 31 LiFePO4

The Dakota Lithium DL+ 12V 320Ah dual purpose battery provides 320 amp hours of capacity and 1,000 cold cranking amps in a Group 31 footprint. This LiFePO4 battery features internal heating technology for cold weather charging and is designed for marine, RV, solar, and off-grid applications requiring both house power and engine starting capability.

Product Overview

This dual-purpose lithium battery combines house power storage with engine starting capability in a single unit. The internal Even-Heat Technology enables charging at temperatures below 32°F (0°C). IP65 waterproof rating provides protection for marine and outdoor environments.

Specifications

  • Capacity: 320 Amp Hours with flat voltage discharge curve
  • Cold Cranking Amps: 1,000 CCA for engine starting
  • Internal Even-Heat Technology for sub-freezing charging
  • Group 31 dimensions: 15.06"L × 7.24"W × 10"H
  • IP65 waterproof rating for outdoor applications
  • Cycle life: 5,000+ cycles to 80% capacity
  • Built-in Battery Management System with cell balancing
  • Weight: 65 lbs (29.5 kg)

Technical Specifications

ELECTRICAL SPECIFICATIONS
Battery Capacity 320 Amp Hours (Ah)
Nominal Voltage 12.8V
Total Energy Storage 3,840 Wh
Cold Cranking Amps 1,000 CCA
Battery Chemistry Lithium Iron Phosphate (LiFePO4)
Cycle Life Rating 5,000+ cycles to 80% capacity
PHYSICAL SPECIFICATIONS
Length × Width × Height 15.06" × 7.24" × 10" (385mm × 202mm × 252mm)
Total Weight 65 lbs (29.5 kg)
Battery Group Size Group 31 / Marine 8D Compatible
Environmental Protection IP65 Rated
Terminal Configuration M8 Bolt (Maximum torque: 15 ft. lbs.)
PERFORMANCE SPECIFICATIONS
Operating Temperature Range -4°F to 176°F (-20°C to 80°C)
Standard Charge Current 200A standard, 300A maximum (60 seconds)
Continuous Discharge Current 200A continuous
Peak Discharge Current 300A (60 seconds), 1000A (1 second)
Recommended Charger Voltage 14.4V charging voltage, 50A LiFePO4 charger

Features

  • Internal Even-Heat Technology: Automatically warms cells for charging below freezing temperatures
  • Active Battery Management System: Cell balancing, over/under voltage protection, short circuit protection
  • Flat voltage discharge curve: Maintains consistent 12V+ output throughout discharge cycle
  • Fast charging capability: Accepts up to 300A charge rate with compatible charger
  • Series configuration compatible: Can be wired for 24V or 48V systems
  • Maintenance-free operation: No watering, equalization, or special storage requirements
  • Mounting flexibility: Can be mounted in any orientation

Suitable Applications

RVs & Motorhomes
House battery with engine starting capability
Campers & Travel Trailers
Off-grid camping and boondocking power
Boats & Marine
House bank with starting power for marine engines
Sailboats & Yachts
Electronics, lighting, and engine starting
Off-Grid Cabins
Primary power storage with generator starting
Solar Power Systems
Energy storage for residential installations
Overlanding & Van Life
High-capacity power for extended travel
Home Energy Backup
Emergency power during outages
Electric Vehicle Conversions
High-capacity power for EV projects
Golf Carts
Replacement for lead acid batteries
Trolling Motors
Extended fishing power with starting capability

Installation Requirements

  • Group 31 battery tray or compartment
  • 12V 50A LiFePO4 charger with 14.4V charging voltage
  • Appropriate gauge wiring for high current applications
  • No special ventilation required (sealed design)
  • Compatible with standard battery monitoring systems
  • Check battery box width for handle clearance

Performance Advantages

  • Dual Purpose Design: Combines house power and engine starting in one battery
  • Cold Weather Operation: Reliable performance down to -4°F with heating technology
  • Marine Environment: IP65 waterproof rating for wet conditions
  • High Current Capability: Powers inverters, motors, and high-draw equipment
  • Long-Term Storage: No maintenance required during storage periods
  • Weight Reduction: Lighter than comparable lead acid batteries

Quality Standards

  • UN38.3 certified lithium cells
  • UL1642 safety tested
  • ISO 9001:2015 manufacturing standards

Compatibility Notes

Replacement Capability: This single lithium battery can replace multiple Group 31 AGM batteries in many applications, providing reduced weight, increased runtime, and elimination of maintenance requirements. Verify compatibility with existing charging systems and ensure proper LiFePO4 charger selection.

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Why buy Dakota Lithium?

Designed for durability and inspired by North Dakota's rugged conditions. These batteries offer enhanced power and a lighter weight, with a lifespan of up to 6,000–10,000 cycles and an 11-year warranty, backed by lifetime support. For detailed specifications, please check each product page. Shop Dakota Lithium Batteries through our store. View all Dakota Lithium Batteries

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