Product Specifications for Dakota Lithium Group U1 12 Volt, 54 Ah LiFePO4 Deep Cycle Battery
| BM Part #: | DLITH-12V54 |
|---|---|
| Brand: | Dakota Lithium |
| Voltage: | 12.8 Volt |
| Capacity: | 54 Ah |
| Terminals: | M6 (0.25") |
| Type: | LiFePO4 |
| Battery Size: | Group U1 |
| Length: | 7.75" |
| Width: | 5.3" |
| Height: | 7.5" |
| Shipping Weight: | 14.30Lbs |
| Warranty: | 11 Year (Factory Direct) |
| Rechargeable: | Yes |
- Group U1 battery size: Group 24 compatible. Group 24F, 24R, 24H, 24T compatible.
- Twice the Usable Power: A flat discharge voltage curve holds steady output from full charge to nearly empty, delivering effectively double the usable energy of a same-sized lead-acid battery.
- Dramatically Lighter: At just 14.3 lbs — roughly 75% less than a comparable SLA battery — this battery is noticeably easier to carry, install, and move between applications.
- 8X Longer Lifespan: Rated for up to 5,000 charge cycles at 80% capacity versus around 500 for a typical SLA battery, so you replace it far less often and get a much lower cost per use over time.
- Active BMS Protection: A built-in Battery Management System handles cell balancing, low and high voltage cutoffs, short circuit protection, and temperature safeguards — automatically, every cycle.
- Wide Operating Temperature Range: Reliable performance from -4°F to 140°F makes this battery at home whether it's a hot July afternoon on the lake or a chilly fall morning on the river.
- 11-Year Manufacturer's Warranty: Dakota Lithium backs every battery with an industry-leading eleven-year warranty against manufacturer defects — one of the best coverage periods available anywhere.
Product Description
When a full day on the water or on the road demands serious, reliable power, the Dakota Lithium 12V 54Ah LiFePO4 Deep Cycle Battery is ready for it. Built on Lithium Iron Phosphate (LiFePO4) chemistry, this compact Group U1 battery delivers 54 amp-hours of steady, consistent energy in a package that weighs just 14.3 pounds — roughly 75% lighter than a comparable sealed lead-acid (SLA) battery. Whether you're running a trolling motor, powering RV accessories, or keeping marine electronics alive through a long day, this battery is built to go the distance.
More Usable Power, Less Weight
Not all amp-hours are created equal. A traditional lead-acid battery loses voltage as it discharges, which means you're working with progressively less power as the day goes on. The Dakota Lithium 54Ah operates differently. Its flat voltage discharge curve maintains steady output through virtually the entire charge — so the 30th amp-hour feels just as strong as the first. That consistency effectively doubles the usable power compared to a same-sized SLA battery. A 60A continuous discharge rating means it handles demanding loads without hesitation, with a 100A pulse available for short bursts when you need it.
A Lifespan That Pays for Itself
One of the most compelling advantages of LiFePO4 technology is how long it lasts. The Dakota Lithium 54Ah is rated for up to 5,000 charge cycles at 80% capacity — roughly eight times the lifespan of a typical SLA battery rated for around 500 cycles. Over time, the cost per use drops significantly, and you spend far less time sourcing replacements. Every battery is covered by Dakota Lithium's industry-leading 11-year manufacturer's warranty, one of the best in the business.
Compact Size, Rugged Build
At 7.75" x 5.30" x 7.50" (L x W x H), this battery fits the standard Group U1 footprint and is also compatible with Group 24, 24F, 24R, 24H, and 24T applications. The casing is built to handle vibration, moisture, and the temperature swings that come with real-world outdoor and marine use. Operating temperatures span from -4°F to 140°F, keeping it dependable across four seasons. Charging should be done between 32°F and 113°F using a LiFePO4-compatible charger for the best performance and longest life.
Built-In Protection That Works in the Background
Every Dakota Lithium battery includes an active Battery Management System (BMS) that keeps things running safely and efficiently without any effort on your part. The BMS manages:
- Cell balancing to maintain an even charge across all internal cells
- Low and high voltage cutoffs to prevent over-discharge and overcharge
- Short circuit protection
- Temperature monitoring to safeguard performance in demanding conditions
LiFePO4 chemistry also means no toxic heavy metals, no off-gassing, and none of the thermal runaway risk associated with other lithium types. This battery is UN38 certified, with cells tested to UL1642 and IEC62133 standards, and it meets all U.S. and international regulations for air, ground, rail, and marine transport.
Ready for a Wide Range of Applications
The Dakota Lithium 54Ah is a capable fit for a variety of deep cycle needs, including:
- Trolling motors up to 55 lbs of thrust (12V systems)
- Marine electronics, fish finders, and depth sounders
- RV house batteries and camper accessories
- Mobility scooters and powered wheelchairs
- Off-grid and backup power setups
Need more voltage? Two batteries wired in series create a 24V system, three create 36V, and four create 48V — making this a flexible building block for larger configurations. Please note: this is a deep cycle battery only and is not designed for starting gasoline engines.
Frequently Asked Questions
What is this battery best used for?
A: This battery is designed for deep cycle applications that require sustained power over long periods. Common uses include trolling motors up to 55 lbs of thrust (12V), RV and camper house batteries, marine electronics, fish finders, mobility scooters, and off-grid power setups. It is not designed for starting gasoline engines.
Do I need a special charger for this battery?
A: A LiFePO4-compatible charger is strongly recommended. Dakota Lithium batteries charge at 14.4V — higher than AGM or standard lead-acid batteries. A conventional lead-acid charger may function, but will typically only bring the battery to around 80% of its full capacity. For best results, use a dedicated 12V 10A LiFePO4 charger, available as an add-on at checkout.
Can this battery handle cold weather?
A: Yes, with one important note. This battery safely discharges in temperatures as low as -4°F, making it a solid choice for cold-weather use like ice fishing or winter camping. However, charging should only happen when temperatures are between 32°F and 113°F. Charging below freezing without an internal heating element can damage the cells and reduce the battery's overall lifespan.
Can I connect multiple batteries together for a higher-voltage system?
A: Yes. Wiring two batteries in series produces a 24V system, three gives you 36V, and four creates a 48V system. This makes the 54Ah a versatile option for multi-battery trolling motor setups, larger marine applications, or off-grid power systems that call for higher voltage.
How does this compare to a lead-acid battery of the same size?
A: The advantages are substantial. This battery weighs about 75% less, lasts up to eight times longer, charges faster, and delivers more consistent power throughout each discharge cycle. The upfront cost is higher, but the significantly lower cost per cycle — combined with far fewer replacements — typically makes it the better long-term value.
Is this battery safe to use on a boat?
A: Yes. The LiFePO4 chemistry used in this battery does not off-gas, contains no lead or acid, and will not catch fire or suffer thermal runaway like some other lithium types. It is UN38 certified, tested to UL1642 and IEC62133 standards, and meets all U.S. and international regulations for marine transport. The built-in BMS adds an additional layer of safety protection during use.
