{"product_id":"dakota-lithium-dl-12v-640ah-dual-purpose-lifepo4-battery","title":"Dakota Lithium DL+ 12V 640Ah Dual Purpose LiFePO4 Battery","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eDL+ 12V 640Ah Lithium Battery with Internal Heating, CAN Bus, 1,000 CCA, and Marine-Grade IP65 Enclosure\u003c\/h2\u003e\n\u003cp\u003eWhen your power system has real loads to support, you need more than a battery that looks impressive on paper. You need serious capacity, stable output, cold-weather charging support, and the kind of protection that lets you trust the system when it is powering something important. That is exactly what the DL+ 12V 640Ah lithium battery is built to deliver.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-capacity energy storage and engine starting in marine, RV, off-grid, and commercial applications, this Lithium Iron Phosphate battery combines massive stored energy with dual-purpose functionality in one battery. With 640Ah of capacity at 12.8V, it delivers 7680Wh of energy, giving you the kind of runtime and system support that can replace multiple AGM or lead-acid batteries in a single unit.\u003c\/p\u003e\n\u003cp\u003eThis is the kind of battery people choose when they are done piecing together oversized battery banks, fighting voltage drop, or losing valuable space and payload to heavy legacy batteries. Whether you are powering air conditioning on a boat, building a serious RV energy system, supporting off-grid loads, or simplifying a commercial installation, the DL+ 640Ah gives you substantial capacity, engine-starting capability, and long-term lithium performance in one platform.\u003c\/p\u003e\n\u003ch2\u003eHigh-capacity power for serious systems\u003c\/h2\u003e\n\u003cp\u003eA lot of batteries are built for moderate use. This one is built for systems that actually have something to carry.\u003c\/p\u003e\n\u003cp\u003eWith 640Ah of capacity and 7680Wh of stored energy, the DL+ 12V 640Ah is designed for demanding applications where runtime matters and electrical loads are not small. It is built to support substantial power needs across marine systems, RV house power, off-grid installations, and commercial energy applications where multiple batteries would otherwise be required.\u003c\/p\u003e\n\u003cp\u003eThat kind of capacity can simplify system design in a big way. Instead of stacking multiple smaller batteries to reach the storage you need, this battery gives you a high-capacity solution in a single unit, helping reduce wiring complexity, free up installation space, and cut overall system weight compared to traditional lead-acid banks.\u003c\/p\u003e\n\u003ch2\u003eDeep cycle storage and engine starting in one battery\u003c\/h2\u003e\n\u003cp\u003eOne of the biggest advantages of this battery is that it is built to handle both energy storage and engine starting.\u003c\/p\u003e\n\u003cp\u003eIn addition to its deep cycle capacity, the DL+ 640Ah is rated at 1,000 cold cranking amps for engine starting applications. That makes it a strong fit for boats and large vehicles that need dependable starting power along with the ability to run onboard electronics, house loads, accessories, and other power-hungry systems.\u003c\/p\u003e\n\u003cp\u003eThat dual-purpose capability is a major advantage for customers trying to simplify a complex setup. Instead of separating starting and house batteries into a more complicated bank, this battery gives you a more consolidated solution with the capacity to support both roles.\u003c\/p\u003e\n\u003ch2\u003eStable lithium output for demanding electrical loads\u003c\/h2\u003e\n\u003cp\u003eCapacity is only part of the story. How the battery behaves under load matters just as much.\u003c\/p\u003e\n\u003cp\u003eBuilt with LiFePO4 chemistry, this battery delivers the flat voltage curve and consistent power output customers expect from a serious lithium upgrade. That means better support for demanding electrical loads such as air conditioning systems, onboard electronics, inverters, and off-grid equipment that do not respond well to the voltage sag common in older battery technologies.\u003c\/p\u003e\n\u003cp\u003eFor customers, that means a system that feels more dependable in real use. Loads run more consistently. Power delivery stays more stable. The system performs more like it should, instead of feeling like it is fading as the battery discharges.\u003c\/p\u003e\n\u003ch2\u003eBuilt for cold-weather charging\u003c\/h2\u003e\n\u003cp\u003eCold temperatures are where many battery systems start showing their limits. The DL+ 640Ah is designed to handle that better.\u003c\/p\u003e\n\u003cp\u003eThis battery includes integrated internal heating, allowing charging support in low-temperature conditions where standard lithium batteries may be limited or unable to charge safely. That added heating function helps make the battery more practical for year-round use in colder climates, unheated storage areas, cabins, boats, garages, and other installations where temperatures can dip below freezing.\u003c\/p\u003e\n\u003cp\u003eFor customers who have dealt with winter charging restrictions before, this is one of those features that quickly goes from nice to have to essential.\u003c\/p\u003e\n\u003ch2\u003eSmart protection built in with advanced control features\u003c\/h2\u003e\n\u003cp\u003eA battery of this size needs more than raw capacity. It needs intelligent protection and control behind the scenes.\u003c\/p\u003e\n\u003cp\u003eThe DL+ 640Ah includes a built-in Battery Management System designed to help protect the battery and support operational stability. It manages critical functions like battery protection and performance control so the system can operate more safely under demanding real-world conditions.\u003c\/p\u003e\n\u003cp\u003eThis model also includes external on\/off control of battery terminals through the data port, with independent charge and discharge shut-off capability. That adds another level of system control for advanced users, installers, and integrated applications where battery behavior needs to be managed more precisely.\u003c\/p\u003e\n\u003ch2\u003eCAN Bus communication for better system integration\u003c\/h2\u003e\n\u003cp\u003eCompatibility matters more as systems get larger and more sophisticated.\u003c\/p\u003e\n\u003cp\u003eThis battery includes a CAN bus communication port with a 9-pin CAN plug and hardware included, helping it integrate with compatible electronics and system controls. For customers building advanced marine, RV, commercial, or off-grid systems, that communication support can make installation and system coordination much smoother.\u003c\/p\u003e\n\u003cp\u003eIt is the kind of feature that matters most to people building serious systems, and that is exactly who this battery is built for.\u003c\/p\u003e\n\u003ch2\u003eMarine-grade enclosure built for real environments\u003c\/h2\u003e\n\u003cp\u003ePower systems do not always live in ideal conditions, especially in marine and mobile applications.\u003c\/p\u003e\n\u003cp\u003eThe DL+ 640Ah is housed in a marine-grade enclosure with an IP65 water-resistance rating. That gives it strong protection for demanding environments where moisture, dust, and rough conditions are part of the job. It is important to note that IP65 means water-resistant, not submersible, but it is still a meaningful level of protection for real-world use in boats, RVs, commercial equipment, and protected outdoor installations.\u003c\/p\u003e\n\u003cp\u003eThat rugged construction adds confidence in the kinds of environments where ordinary batteries tend to become a liability.\u003c\/p\u003e\n\u003ch2\u003eScalable for larger energy storage systems\u003c\/h2\u003e\n\u003cp\u003eA battery like this is already substantial, but some applications need even more.\u003c\/p\u003e\n\u003cp\u003eThe DL+ 640Ah supports parallel connection for increased capacity, allowing users to scale the system as storage needs grow. That makes it a strong fit for customers who want to start with a powerful foundation now and expand later for larger residential, commercial, marine, or mobile energy systems.\u003c\/p\u003e\n\u003cp\u003eThat flexibility matters when you are designing around future demand rather than just today’s minimum.\u003c\/p\u003e\n\u003ch2\u003eLong cycle life and long-term value\u003c\/h2\u003e\n\u003cp\u003eBig batteries need to deliver more than a big day-one number. They need to keep performing over time.\u003c\/p\u003e\n\u003cp\u003eThis battery is rated for up to 5,000 cycles to 80% capacity in recommended conditions, with continued usable service life beyond that. That is one of the biggest reasons LiFePO4 has become the preferred chemistry for serious energy storage. Instead of replacing heavy lead-acid banks again and again, you get a battery built for long-term use and long-term value.\u003c\/p\u003e\n\u003cp\u003ePair that with an 11-year manufacturer defect warranty, and the result is a product designed for customers making a major investment in reliable power.\u003c\/p\u003e\n\u003ch2\u003eWhy customers choose the DL+ 12V 640Ah\u003c\/h2\u003e\n\u003cp\u003eCustomers looking at this battery are usually solving a real problem. They need more storage. More reliable output. More room for heavy loads. Less weight than a comparable lead-acid bank. Fewer batteries. Less clutter. Fewer weak links in the system.\u003c\/p\u003e\n\u003cp\u003eThe DL+ 12V 640Ah stands out because it combines the features that actually matter in real-world use:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e640Ah of high-capacity lithium storage\u003c\/li\u003e\n\u003cli\u003e7680Wh of energy for demanding systems\u003c\/li\u003e\n\u003cli\u003e1,000 CCA engine-starting capability\u003c\/li\u003e\n\u003cli\u003eLiFePO4 chemistry for stable output and long service life\u003c\/li\u003e\n\u003cli\u003eInternal heating for low-temperature charging support\u003c\/li\u003e\n\u003cli\u003eBuilt-in BMS for protection and operational stability\u003c\/li\u003e\n\u003cli\u003eCAN bus communication for compatible system integration\u003c\/li\u003e\n\u003cli\u003eMarine-grade IP65 enclosure for harsh environments\u003c\/li\u003e\n\u003cli\u003eParallel support for expanded storage capacity\u003c\/li\u003e\n\u003cli\u003eUp to 5,000-cycle life in recommended conditions\u003c\/li\u003e\n\u003cli\u003e11-year manufacturer defect warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cp\u003eThe DL+ 12V 640Ah lithium battery is a strong fit for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emarine house power and engine-starting systems\u003c\/li\u003e\n\u003cli\u003elarge RV battery banks\u003c\/li\u003e\n\u003cli\u003eoff-grid solar and storage systems\u003c\/li\u003e\n\u003cli\u003ecommercial mobile power systems\u003c\/li\u003e\n\u003cli\u003eapplications running heavy onboard loads like air conditioning and electronics\u003c\/li\u003e\n\u003cli\u003eusers replacing multiple AGM or lead-acid batteries with a single high-capacity lithium unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you only need a small battery for light occasional use, this is far more battery than necessary. But if you are building a serious power system and want high-capacity storage, strong engine-starting support, lithium efficiency, and better system integration, this is the kind of battery that makes sense.\u003c\/p\u003e\n\u003cp\u003eIt is built for people who need a lot of power and do not want to keep compromising to get it.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 640Ah\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12.8V\u003cbr\u003e\u003cstrong\u003eEnergy:\u003c\/strong\u003e 7680Wh\u003cbr\u003e\u003cstrong\u003eChemistry:\u003c\/strong\u003e LiFePO4\u003cbr\u003e\u003cstrong\u003eCold Cranking Amps:\u003c\/strong\u003e 1,000 CCA\u003cbr\u003e\u003cstrong\u003eMax Continuous Discharge:\u003c\/strong\u003e 300A\u003cbr\u003e\u003cstrong\u003eMax Pulse Discharge:\u003c\/strong\u003e 600A for 20 seconds\u003cbr\u003e\u003cstrong\u003eMax CCA Pulse:\u003c\/strong\u003e 900A for 5 seconds\u003cbr\u003e\u003cstrong\u003eStandard Charge Current:\u003c\/strong\u003e 100A\u003cbr\u003e\u003cstrong\u003eMax Charge Current:\u003c\/strong\u003e 300A for 60 seconds\u003cbr\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°F to 150°F\u003cbr\u003e\u003cstrong\u003eCold Charging Support:\u003c\/strong\u003e Internal heating supports charging below 32°F\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 27 x 8.07 x 10.43 inches\u003cbr\u003e\u003cstrong\u003eMetric Dimensions:\u003c\/strong\u003e 686 x 205 x 265 mm\u003cbr\u003e\u003cstrong\u003eHeight with Wheels:\u003c\/strong\u003e 330 mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 121 lbs\u003cbr\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e M10 terminals with marine and automotive-grade terminal covers\u003cbr\u003e\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e IP65, not submersible\u003cbr\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e CAN bus port with 9-pin CAN plug and hardware included\u003cbr\u003e\u003cstrong\u003eExternal Control:\u003c\/strong\u003e Independent charge and discharge shut-off through external data port\u003cbr\u003e\u003cstrong\u003eRecommended Charger:\u003c\/strong\u003e 12V 50A charger, 14.4V charging voltage\u003cbr\u003e\u003cstrong\u003eCycle Life:\u003c\/strong\u003e Up to 5,000 cycles to 80% capacity\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL1642, IEC62133, UN 38.3\u003cbr\u003e\u003cstrong\u003eQuality Standard:\u003c\/strong\u003e ISO 9001:2015 certified\u003cbr\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 11-year manufacturer defect warranty\u003c\/p\u003e\n\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eThe DL+ 12V 640Ah lithium battery is a high-capacity LiFePO4 power solution built for marine, RV, off-grid, and commercial systems that need serious stored energy and dependable engine-starting capability in one battery. With 640Ah of capacity, 7680Wh of energy, 1,000 CCA, internal heating for cold-weather charging, CAN bus communication, built-in BMS protection, and a rugged marine-grade IP65 enclosure, it is designed to handle demanding electrical loads with fewer compromises than traditional battery banks. Add in parallel scalability, up to 5,000 cycles of service life, and an 11-year warranty, and you get a battery built for long-term confidence, not short-term convenience.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Dakota Lithium","offers":[{"title":"Default Title","offer_id":52597798699330,"sku":"PID12V640AHPLUS","price":4830.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/0984\/6082\/files\/Dakota-Lithium-Battery-12v-640ah-1.png?v=1774165491","url":"https:\/\/energysystemscentral.com\/products\/dakota-lithium-dl-12v-640ah-dual-purpose-lifepo4-battery","provider":"Energy Systems Central","version":"1.0","type":"link"}