Dakota Lithium 12V 100Ah Deep Cycle Heated LiFePO4 Battery

Dakota Lithium DL 12V 100Ah Heated LiFePO4 Deep Cycle Battery, Group 24, with Internal BMS

When your battery is doing real work, you need more than a spec sheet and a decent warranty. You need dependable runtime, stable voltage, cold-weather charging support, and the kind of protection that helps your system keep working when conditions are less than ideal. That is exactly what the Dakota Lithium DL 12V 100Ah is built to deliver.

Designed for deep cycle applications like trolling motors, RV systems, marine setups, solar storage, and off-grid power, this Lithium Iron Phosphate battery combines long service life, lighter weight, and steady performance in a compact Group 24 footprint. With 100Ah of capacity at 12.8V, it delivers 1280 watt-hours of energy, giving you the kind of usable power that makes a real difference in systems that get used regularly, not just occasionally.

This is the kind of battery people choose when they are tired of short battery life, voltage drop, heavy lead-acid batteries, and setups that struggle the moment temperatures fall. Whether you are upgrading an RV battery bank, running electronics on the water, or building a more dependable solar storage setup, the DL 12V 100Ah gives you the runtime, reliability, and lower-maintenance ownership that make lithium worth the investment.

Built for deep cycle power, not compromise

A lot of batteries can technically power your system. The question is how well they do it over time.

The Dakota Lithium DL 12V 100Ah is built specifically for deep cycle use, meaning it is designed to deliver sustained energy over longer periods rather than short bursts for engine starting. That makes it a strong fit for applications where dependable runtime matters more than a starting jolt, including trolling motors, RV house systems, marine electronics, solar storage, and off-grid equipment.

For customers, that means a battery built for the job it is actually meant to do. It is not trying to be a starting battery. It is designed to deliver consistent deep cycle power day after day.

100Ah of usable lithium power with stable voltage output

Capacity matters, but voltage stability matters too.

With 100Ah of storage capacity and 1280Wh of energy, this battery gives you solid runtime for demanding 12V applications. Just as important, LiFePO4 chemistry helps provide stable voltage output throughout the discharge cycle. That means your gear gets more consistent power instead of the sluggish drop-off many users are used to with older sealed lead-acid batteries.

For RV owners, that can mean more dependable power for lights, fans, fridges, and electronics. For marine users, it means better support for trolling motors and onboard systems. For solar and off-grid users, it means cleaner, more predictable stored energy when it is time to draw from the battery bank.

Internal heating for cold-weather charging

Cold weather is where a lot of batteries start showing their weaknesses. This one is built to handle it better.

The DL 12V 100Ah includes Dakota Lithium’s internal Even-Heat Technology, which warms the battery cells to 5°C (41°F) when charging begins below 0°C (32°F). That added heating support helps protect the battery and maintain charging capability in colder conditions where standard lithium batteries may be limited.

For customers using batteries in garages, cabins, boats, RVs, or outdoor equipment, this is a feature that matters. It helps make the battery more practical year-round and reduces the hassle of working around cold-weather charging limitations.

Smart protection built in with active BMS

A good lithium battery is not just about capacity. It is also about what is happening behind the scenes to protect that capacity over time.

This battery includes an active Battery Management System that helps manage cell balancing and protect against low voltage, high voltage, short circuits, and high temperatures. Those protections are a big part of what helps support safe, stable long-term battery operation.

That is especially important in systems supporting valuable equipment or regular daily use. When your battery is expected to carry the load consistently, protection is not optional.

Lightweight and easier to handle than lead-acid

One of the fastest ways lithium changes the ownership experience is simply by cutting down the weight and hassle of the battery itself.

At just 27.55 pounds, this battery is much lighter than comparable sealed lead-acid options, making installation, replacement, and handling more manageable. That is a big advantage in RVs, boats, off-grid setups, and other applications where space is tight and every pound matters.

It also comes in a Group 24 equivalent size, which helps with fitment in systems designed around common battery dimensions. That gives users a more convenient upgrade path without forcing a complete redesign of the battery compartment.

Long cycle life for long-term value

The upfront price of lithium only makes sense if the battery actually lasts. This one is built to do exactly that.

The DL 12V 100Ah is rated for up to 5,000 cycles while retaining up to 80% capacity in recommended conditions. That kind of service life is one of the biggest reasons customers move to LiFePO4 in the first place. Instead of replacing batteries over and over, you get a system designed to keep delivering over the long haul.

For people who use their battery bank regularly, that longer cycle life can mean much better long-term value and far fewer replacement headaches.

Ready for RV, marine, solar, and off-grid systems

Flexibility matters when you are building or upgrading a power system.

This battery is compatible with 12V systems and can also be connected in series for up to 48V configurations, giving users more room to build around their specific power needs. That makes it a practical choice for anyone starting with a single battery now and planning to expand later.

It is a strong fit for:

• RV house power systems
• trolling motors
• marine electronics and accessories
• solar energy storage
• off-grid cabins and backup setups
• other deep cycle 12V applications

Why customers choose the Dakota Lithium DL 12V 100Ah

Customers looking at this battery are usually trying to solve a real problem. They want longer runtime, lighter weight, fewer maintenance headaches, and a battery that keeps delivering steady power instead of fading fast. They want something that feels dependable, not disposable.

This battery stands out because it brings together the things that actually matter in real use:

• 100Ah capacity for extended deep cycle runtime
• 12.8V output with 1280Wh of stored energy
• LiFePO4 chemistry for stable, reliable performance
• Internal heating for low-temperature charging support
• Active BMS protection with cell balancing and key safety functions
• Group 24 equivalent sizing for easier fitment
• Lightweight design compared to sealed lead-acid batteries
• Stable voltage during discharge for more consistent power delivery
• Series compatibility for up to 48V systems
• Up to 5,000-cycle life
• 11-year manufacturer defect warranty

Ideal for

The Dakota Lithium DL 12V 100Ah is a strong fit for:

• trolling motor setups
• RV house battery systems
• marine deep cycle applications
• solar storage systems
• off-grid power setups
• users replacing lead-acid batteries with a lighter, longer-lasting option

If you need a battery for engine starting, this is not the right fit. This battery is designed specifically for deep cycle use. But if you want dependable lithium power for longer runtimes, cold-weather charging support, and lower-maintenance ownership, this is the kind of battery that makes a lot more sense.

It is built for people who want reliable power without the usual battery headaches.

Specifications

Storage Capacity: 100Ah
Voltage: 12.8V
Energy: 1280Wh
Chemistry: LiFePO4
Terminals: M8 bolt size
Max Terminal Torque: 15 ft-lbs
Size: 10.23 x 6.60 x 8.66 inches
Metric Dimensions: 260 x 169 x 215 mm
Height to Top of Terminal: 220 mm
Group Size: BCI Group 24 equivalent
Weight: 27.55 lbs
Cycle Life: Up to 5,000 cycles to 80% capacity in recommended conditions
Operating Temperature: -4°F to 140°F (-20°C to 60°C)
Max Continuous Discharge: 100A
Max Pulse Discharge: 200A (10 seconds)
Max Charge Current: 50A
Recommended Charge Voltage: 14.4V
Max Charge Voltage: 15V
Recommended Charger: 12V 10A or 12V 20A, sold separately
Protection: Active BMS with cell balancing, low voltage cutoff, high voltage cutoff, short circuit protection, and high temperature protection
Cold Charging Support: Internal Even-Heat Technology warms cells to 5°C (41°F) when charging below 0°C (32°F)
Certifications: UL1642 certified cells, tested to IEC62133 and UN 38.3 standards
Quality Standard: ISO 9001:2015 certified, with select models produced in ISO 14001 certified facilities
Warranty: 11-year manufacturer defect warranty

Product Summary

The Dakota Lithium DL 12V 100Ah is a heated deep cycle LiFePO4 battery built for RV, marine, trolling motor, solar, and off-grid applications that need dependable runtime, stable voltage, and long-term durability. With 100Ah of capacity, 1280Wh of energy, internal heating for cold-weather charging, active BMS protection, Group 24 compatibility, and a lightweight design compared to lead-acid alternatives, it is designed to deliver reliable power with fewer compromises. Add in up to 5,000 cycles of service life and an 11-year manufacturer defect warranty, and you get a battery built for long-term confidence, not short-term fixes.