{"product_id":"epoch-12v-300ah-3-84kwh-essential-series-bluetooth-heated-lifepo4-battery","title":"EPOCH 12V 300Ah (3.84kWh) Essential Series - Bluetooth \u0026 Heated LiFePO4 Battery","description":"\u003ch2\u003e12.8V 300Ah LiFePO4 Deep Cycle Battery with Heat, Bluetooth, and Smart BMS\u003c\/h2\u003e\n\u003cp\u003eWhen your battery bank is carrying real responsibility, you need more than basic capacity. You need dependable power, strong protection, cold-weather charging capability, and the flexibility to build a system that actually fits your needs. This \u003cstrong\u003e12.8V 300Ah LiFePO4 deep cycle battery\u003c\/strong\u003e is built for exactly that.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding energy storage applications, this battery combines \u003cstrong\u003ehigh-capacity lithium iron phosphate chemistry\u003c\/strong\u003e, \u003cstrong\u003eintegrated internal heating\u003c\/strong\u003e, \u003cstrong\u003eBluetooth monitoring\u003c\/strong\u003e, and a \u003cstrong\u003eSmart Battery Management System\u003c\/strong\u003e into one maintenance-free power solution. Whether you are upgrading an RV, building an off-grid system, supporting marine electronics, or replacing outdated lead-acid batteries, this unit is designed to deliver stable output, reliable performance, and a much easier ownership experience.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e300Ah of capacity at 12.8V\u003c\/strong\u003e, this battery stores approximately \u003cstrong\u003e3.84kWh of energy\u003c\/strong\u003e, giving you the kind of usable runtime that matters in the real world. That means longer operation for house loads, fewer compromises on power use, and less time worrying about whether your battery bank can keep up.\u003c\/p\u003e\n\u003ch3\u003eBuilt for dependable deep cycle performance\u003c\/h3\u003e\n\u003cp\u003eSome batteries are fine for occasional use. This one is built for systems that get used regularly and need to keep delivering day after day.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003eLiFePO4 chemistry\u003c\/strong\u003e is designed for deep cycle applications where stable power and long-term durability matter. Compared to traditional lead-acid batteries, lithium iron phosphate offers more consistent voltage, better usable capacity, and far less maintenance. That translates into a battery that feels more dependable in actual use, especially when your setup includes critical loads or frequent cycling.\u003c\/p\u003e\n\u003cp\u003eIf you are tired of voltage sag, slow charging, constant upkeep, or batteries that seem to lose performance too early, this is the kind of upgrade that makes a noticeable difference.\u003c\/p\u003e\n\u003ch3\u003eSerious capacity with strong current capability\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003e300Ah capacity\u003c\/strong\u003e, this battery gives you the storage needed for longer runtimes and more capable 12V systems. It supports \u003cstrong\u003e200A maximum continuous discharge\u003c\/strong\u003e and \u003cstrong\u003e200A maximum charge current\u003c\/strong\u003e, with a \u003cstrong\u003e400A peak discharge for 3 seconds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThat makes it a strong fit for applications where both runtime and dependable current delivery matter. Whether you are powering an inverter, house loads, electronics, lighting, refrigeration, pumps, or other essential equipment, this battery is built to support stable output without feeling undersized for the job.\u003c\/p\u003e\n\u003cp\u003eFor many buyers, this is the sweet spot between compact lithium batteries that run out too quickly and oversized systems that cost more than necessary.\u003c\/p\u003e\n\u003ch3\u003eInternal heating for cold-weather charging\u003c\/h3\u003e\n\u003cp\u003eCold weather is where weak battery systems start showing their limits. This battery is equipped with \u003cstrong\u003einternal heating\u003c\/strong\u003e to support charging in sub-zero conditions, making it a much more practical option for winter use and cold-climate installations.\u003c\/p\u003e\n\u003cp\u003eThat matters for RV owners, off-grid cabins, marine setups, work trailers, and backup systems installed in garages, sheds, or other spaces where temperatures can drop fast. Instead of treating winter like a season-long compromise, you get a battery designed to stay more usable when temperatures turn against you.\u003c\/p\u003e\n\u003cp\u003eFor customers who have learned the hard way that cold weather exposes every weak link in a power system, built-in heat is more than a nice feature. It is peace of mind.\u003c\/p\u003e\n\u003ch3\u003eSmart BMS protection built in\u003c\/h3\u003e\n\u003cp\u003eA quality lithium battery is about more than capacity. Protection matters just as much.\u003c\/p\u003e\n\u003cp\u003eThis battery includes an integrated \u003cstrong\u003eSmart Battery Management System (BMS)\u003c\/strong\u003e to help protect against:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOvercharging\u003c\/li\u003e\n\u003cli\u003eOver-discharging\u003c\/li\u003e\n\u003cli\u003eOvercurrent\u003c\/li\u003e\n\u003cli\u003eShort circuits\u003c\/li\u003e\n\u003cli\u003eHigh and low temperature conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat built-in protection helps support safer operation, better system stability, and longer service life. It also makes the battery easier to trust in demanding applications where reliability is not optional.\u003c\/p\u003e\n\u003cp\u003eWhen your battery is supporting power you actually depend on, a smart BMS is one of the most important features you can have.\u003c\/p\u003e\n\u003ch3\u003eBluetooth monitoring makes ownership easier\u003c\/h3\u003e\n\u003cp\u003eBattery monitoring should not feel like guesswork. With \u003cstrong\u003eBluetooth connectivity\u003c\/strong\u003e and compatibility with \u003cstrong\u003eiOS and Android apps\u003c\/strong\u003e, you can check battery status right from your phone.\u003c\/p\u003e\n\u003cp\u003eThat means quicker system checks, easier troubleshooting, and better visibility into how your battery is performing. Whether you are managing an off-grid setup, checking your RV battery before a trip, or keeping tabs on a marine system, Bluetooth monitoring gives you a more convenient way to stay in control.\u003c\/p\u003e\n\u003cp\u003eIt is one of those features that makes life easier every single time you use the system.\u003c\/p\u003e\n\u003ch3\u003eFlexible for multiple system designs\u003c\/h3\u003e\n\u003cp\u003eThis battery is designed to work with a wide range of power setups, thanks to support for both \u003cstrong\u003eseries and parallel configurations\u003c\/strong\u003e. It can be installed in systems with up to \u003cstrong\u003e4 batteries in series and 4 in parallel\u003c\/strong\u003e, giving you the flexibility to expand storage and build the voltage you need.\u003c\/p\u003e\n\u003cp\u003eThat makes it easier to size your system for your current needs while keeping the option to grow later. Start with one battery for a compact setup or build a larger bank for more runtime and system capability.\u003c\/p\u003e\n\u003cp\u003eFor DIY users and professional installers alike, that flexibility adds real long-term value.\u003c\/p\u003e\n\u003ch3\u003eMaintenance-free and built for long-term use\u003c\/h3\u003e\n\u003cp\u003eOne of the biggest reasons people move to LiFePO4 is simple. They are done babysitting batteries.\u003c\/p\u003e\n\u003cp\u003eThis battery is designed for \u003cstrong\u003emaintenance-free operation\u003c\/strong\u003e, so you can spend more time using your system and less time checking water levels, cleaning terminals, or dealing with the usual headaches of older battery types. It is also built for \u003cstrong\u003elong cycle life\u003c\/strong\u003e, making it a strong fit for applications where regular charge and discharge is part of normal use.\u003c\/p\u003e\n\u003cp\u003eThat makes it especially appealing for people who rely on their battery bank often and want something built for the long haul, not just occasional standby duty.\u003c\/p\u003e\n\u003ch3\u003eA strong fit for demanding everyday use\u003c\/h3\u003e\n\u003cp\u003eThis battery works well in a wide range of applications where stable power and flexible installation matter, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRV house battery systems\u003c\/li\u003e\n\u003cli\u003eMarine house banks\u003c\/li\u003e\n\u003cli\u003eOff-grid solar storage\u003c\/li\u003e\n\u003cli\u003eBackup power setups\u003c\/li\u003e\n\u003cli\u003eMobile work trailers\u003c\/li\u003e\n\u003cli\u003eCabins and remote properties\u003c\/li\u003e\n\u003cli\u003eDeep cycle battery banks for inverter-based loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn short, it is built for people who need real battery performance, not just a basic replacement.\u003c\/p\u003e\n\u003ch3\u003eWhy buyers choose this 300Ah battery\u003c\/h3\u003e\n\u003cp\u003eCustomers looking at a battery like this are usually trying to solve a real problem. They need longer runtime. Better cold-weather performance. Less maintenance. More confidence that the battery they buy today will still be the right choice years from now.\u003c\/p\u003e\n\u003cp\u003eThis battery stands out because it combines the features that matter most:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300Ah capacity\u003c\/strong\u003e for extended runtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.8V output\u003c\/strong\u003e with approximately \u003cstrong\u003e3.84kWh of energy storage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 chemistry\u003c\/strong\u003e for dependable deep cycle performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal heating\u003c\/strong\u003e for cold-weather charging support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth app monitoring\u003c\/strong\u003e for easier battery tracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart BMS protection\u003c\/strong\u003e against overcharge, over-discharge, overcurrent, and short circuits\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh and low temperature disconnect protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSupport for up to 4 batteries in series and 4 in parallel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-free design\u003c\/strong\u003e for easier ownership\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-year manufacturer warranty\u003c\/strong\u003e for long-term confidence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003eIf you only need a small battery for light occasional use, this may be more capacity than you need. But if you are building a dependable deep cycle system and want meaningful runtime, built-in cold-weather support, modern monitoring, and strong protection, this battery makes a lot of sense.\u003c\/p\u003e\n\u003cp\u003eIt is built for people who want their power system to work without constant second-guessing.\u003c\/p\u003e\n\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e12.8V 300Ah LiFePO4 deep cycle battery\u003c\/strong\u003e is a high-capacity energy storage solution designed for dependable performance across RV, marine, off-grid, and backup power applications. With \u003cstrong\u003einternal heating for cold-weather charging\u003c\/strong\u003e, \u003cstrong\u003eBluetooth monitoring\u003c\/strong\u003e, a \u003cstrong\u003eSmart BMS\u003c\/strong\u003e, and support for \u003cstrong\u003eseries and parallel system expansion\u003c\/strong\u003e, it offers the kind of flexibility and reliability serious users want. Add in \u003cstrong\u003e200A continuous charge and discharge capability\u003c\/strong\u003e, \u003cstrong\u003emaintenance-free operation\u003c\/strong\u003e, and an \u003cstrong\u003e11-year manufacturer warranty\u003c\/strong\u003e, and you get a battery built for long-term use in real-world conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"EPOCH BATTERIES","offers":[{"title":"Default Title","offer_id":52715163681090,"sku":"12300A-H","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/0984\/6082\/files\/657456475647.avif?v=1774328966","url":"https:\/\/energysystemscentral.com\/products\/epoch-12v-300ah-3-84kwh-essential-series-bluetooth-heated-lifepo4-battery","provider":"Energy Systems Central","version":"1.0","type":"link"}