{"product_id":"go-power-300ah-12v-lifepo4-lithium-battery","title":"Go Power 300Ah 12V Advanced Lithium LiFePO4 Battery","description":"\u003cp class=\"nvn-hero\"\u003eThe Go Power GP-ADV-LIFEPO4-300 is a 12.8-volt, 300-amp-hour lithium iron phosphate house battery built for marine, RV, and off-grid systems. With an integrated battery management system, a self-heating element for cold mornings, and Bluetooth monitoring, it drops in where old lead-acid or AGM banks used to live and gives you far more usable power.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eIf you've ever watched a lead-acid bank sag under the load of a fridge, an inverter, and a couple of chartplotters, you already understand why so many boaters and RVers are moving to lithium. The Go Power GP-ADV-LIFEPO4-300 is a 12.8-volt, 300-amp-hour lithium iron phosphate (LiFePO4) battery from Go Power's Advanced Lithium line, and it's designed to be the heart of a serious house-power system. It replaces the tired chemistry of flooded, gel, or AGM batteries with a pack that gives you nearly all of its rated capacity, cycle after cycle, without the deep discharge damage that shortens the life of older banks.\u003c\/p\u003e\n\u003cp\u003eThe headline number here is usable energy. A traditional deep-cycle lead-acid battery only lets you safely pull down to about half of its rated capacity before you risk permanent damage. LiFePO4 is different. You can draw this 300Ah pack far deeper and still protect its lifespan, so the real-world power you get out of one Go Power lithium battery can rival two or even three lead-acid batteries of the same nameplate rating. That means a lighter, smaller bank that runs your galley fridge overnight, keeps the electronics lit at anchor, and still has plenty left for the morning coffee.\u003c\/p\u003e\n\u003cp\u003eCold weather is where a lot of lithium batteries fall down, because charging a lithium cell below freezing can damage it. Go Power built the answer right into this battery. An internal self-heating element warms the cells before charging when temperatures drop, so you can keep topping up from solar, shore power, or the alternator through a chilly spring morning on the water or a fall trip in the mountains. You don't have to babysit it or add a separate warming blanket. The battery handles that decision for you.\u003c\/p\u003e\n\u003cp\u003eWatching over everything is an integrated battery management system, or BMS. It's the brain of the pack. The BMS balances the individual cells so they age evenly, guards against over-charge and over-discharge, and steps in if it sees a short circuit or a temperature that's climbing too high. Because the protection lives inside the case, you get a cleaner, safer install without a rack of external protection gear. Pair that with the built-in Bluetooth, and you can pull up state of charge, voltage, and battery health right on your phone. No more guessing how much you've got left before you fire up the generator.\u003c\/p\u003e\n\u003cp\u003eThis battery shines in a few very real scenarios. On a cruising powerboat or sailboat, a bank of these can run a DC fridge, LED lighting, a water pump, and a modest inverter through a quiet night on the hook, then recharge quickly the next day off a solar array or the engine. In an RV or overland rig, the same battery keeps a rooftop air system, a residential fridge, and device charging going while you're parked off-grid. Because LiFePO4 accepts a charge much faster than lead-acid, you spend less time running an engine or generator and more time actually enjoying the trip.\u003c\/p\u003e\n\u003cp\u003eWeight and space matter on any boat or camper, and this is another place lithium wins. Pound for pound, LiFePO4 stores far more energy than lead-acid, so switching over usually drops meaningful weight from the boat while freeing up room in the battery locker. That's a nice bonus for trailer boats and smaller cruisers where every pound on the transom counts. When you're building or upgrading a system, you can wire multiple Go Power lithium batteries together to reach the total amp-hours your loads demand, then manage the whole bank from one app.\u003c\/p\u003e\n\u003cp\u003eGo Power backs the Advanced Lithium series with a 10-year prorated warranty, which tells you how much confidence they have in the chemistry and the build. LiFePO4 cells are known for long cycle life, often lasting many times longer than a lead-acid battery under the same duty. Over the years you keep a boat or an RV, that longevity usually means you're buying one lithium bank instead of replacing lead-acid batteries again and again.\u003c\/p\u003e\n\u003cp\u003eA quick note on installation. Because this is a drop-in 12-volt battery, it fits into systems already built around 12V house power, but you'll want to confirm your charger, solar controller, and any inverter or DC-DC charger are set up with a lithium charge profile to get the most out of it. If you're moving from an older bank, it's a good moment to check your charging sources so they match the battery's needs. Done right, the payoff is a quieter, lighter, longer-lasting power system that just works when you need it. If you've been nursing an aging lead-acid bank through every trip, this is the upgrade that changes how you use your boat or rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e12.8V nominal, 300Ah lithium iron phosphate (LiFePO4) house battery\u003c\/li\u003e\n  \u003cli\u003eDelivers far more usable capacity than a same-rated lead-acid or AGM battery\u003c\/li\u003e\n  \u003cli\u003eBuilt-in self-heating element protects the cells for charging in cold weather\u003c\/li\u003e\n  \u003cli\u003eIntegrated battery management system balances cells and guards against over-charge, over-discharge, short circuit, and overheating\u003c\/li\u003e\n  \u003cli\u003eBluetooth monitoring shows state of charge, voltage, and battery health on your phone\u003c\/li\u003e\n  \u003cli\u003eDrop-in 12V replacement for flooded, gel, or AGM deep-cycle banks\u003c\/li\u003e\n  \u003cli\u003eLighter and more compact than the lead-acid capacity it replaces\u003c\/li\u003e\n  \u003cli\u003eWire multiple batteries together to build the bank size your loads need\u003c\/li\u003e\n  \u003cli\u003eLong LiFePO4 cycle life backed by a 10-year prorated warranty\u003c\/li\u003e\n  \u003cli\u003eIdeal for marine house systems, RVs, overlanding, and off-grid solar setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Go Power reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the core specs of the GP-ADV-LIFEPO4-300?\u003c\/summary\u003e\n    \u003cp\u003eIt's a 12.8-volt lithium iron phosphate (LiFePO4) battery rated at 300 amp-hours, part of Go Power's Advanced Lithium line. It includes an integrated battery management system, a built-in self-heating element, and Bluetooth monitoring.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan this replace my lead-acid or AGM batteries directly?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's a drop-in 12V battery designed to replace flooded, gel, or AGM deep-cycle banks. Because LiFePO4 gives you much more usable capacity, you often need fewer batteries to get the same real-world runtime. Just make sure your chargers use a lithium charge profile.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow much more usable power do I really get versus lead-acid?\u003c\/summary\u003e\n    \u003cp\u003eLead-acid batteries should only be discharged to about half their rated capacity to avoid damage. LiFePO4 can be drawn down much deeper while protecting its lifespan, so a single 300Ah Go Power lithium battery can deliver the usable energy of two or more lead-acid batteries of the same rating.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it charge in cold weather?\u003c\/summary\u003e\n    \u003cp\u003eYes. Charging lithium cells below freezing can damage them, so this battery has a built-in heater that warms the cells before accepting a charge in cold conditions. You don't need a separate warming blanket or to manage it manually.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the built-in BMS do?\u003c\/summary\u003e\n    \u003cp\u003eThe battery management system balances the individual cells so they age evenly, and it protects the pack against over-charge, over-discharge, short circuits, and high temperatures. Because it's inside the battery, your install stays clean and safe without extra external protection gear.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I monitor the battery from my phone?\u003c\/summary\u003e\n    \u003cp\u003eYes. Built-in Bluetooth lets you check state of charge, voltage, and overall battery health from a mobile app, so you always know how much power you have before starting a generator or engine.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I connect several of these together for a bigger bank?\u003c\/summary\u003e\n    \u003cp\u003eYes. You can wire multiple Go Power lithium batteries together to reach the total amp-hours your loads require. Follow Go Power's guidance on wiring and system limits for your specific setup.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat warranty comes with it?\u003c\/summary\u003e\n    \u003cp\u003eGo Power backs the Advanced Lithium series with a 10-year prorated warranty. Combined with the long cycle life of LiFePO4 chemistry, that usually means one lithium bank lasts far longer than repeated lead-acid replacements.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eGo Power 300Ah 12V Advanced Lithium LiFePO4 Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGo Power\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eGP-ADV-LIFEPO4-300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e839085008966\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBattery Chemistry\u003c\/th\u003e\n\u003ctd\u003eLithium Iron Phosphate (LiFePO4)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eRated Capacity\u003c\/th\u003e\n\u003ctd\u003e300Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct Line\u003c\/th\u003e\n\u003ctd\u003eAdvanced Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBattery Management System\u003c\/th\u003e\n\u003ctd\u003eIntegrated BMS with automatic cell balancing and over-charge, over-discharge, short-circuit, and temperature protection\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCold-Weather Charging\u003c\/th\u003e\n\u003ctd\u003eBuilt-in self-heating element for charging in low temperatures\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConnectivity\u003c\/th\u003e\n\u003ctd\u003eBluetooth monitoring for state of charge, voltage, and battery health\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eDrop-in 12V, connect multiple batteries for larger banks\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBest Use\u003c\/th\u003e\n\u003ctd\u003eMarine house power, RV, overlanding, and off-grid solar systems\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e10-year prorated\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What are the core specs of the GP-ADV-LIFEPO4-300?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a 12.8-volt lithium iron phosphate (LiFePO4) battery rated at 300 amp-hours, part of Go Power's Advanced Lithium line. It includes an integrated battery management system, a built-in self-heating element, and Bluetooth monitoring.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can this replace my lead-acid or AGM batteries directly?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's a drop-in 12V battery designed to replace flooded, gel, or AGM deep-cycle banks. Because LiFePO4 gives you much more usable capacity, you often need fewer batteries to get the same real-world runtime. Just make sure your chargers use a lithium charge profile.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How much more usable power do I really get versus lead-acid?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Lead-acid batteries should only be discharged to about half their rated capacity to avoid damage. LiFePO4 can be drawn down much deeper while protecting its lifespan, so a single 300Ah Go Power lithium battery can deliver the usable energy of two or more lead-acid batteries of the same rating.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it charge in cold weather?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Charging lithium cells below freezing can damage them, so this battery has a built-in heater that warms the cells before accepting a charge in cold conditions. You don't need a separate warming blanket or to manage it manually.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does the built-in BMS do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The battery management system balances the individual cells so they age evenly, and it protects the pack against over-charge, over-discharge, short circuits, and high temperatures. Because it's inside the battery, your install stays clean and safe without extra external protection gear.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I monitor the battery from my phone?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Built-in Bluetooth lets you check state of charge, voltage, and overall battery health from a mobile app, so you always know how much power you have before starting a generator or engine.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I connect several of these together for a bigger bank?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. You can wire multiple Go Power lithium batteries together to reach the total amp-hours your loads require. Follow Go Power's guidance on wiring and system limits for your specific setup.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What warranty comes with it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Go Power backs the Advanced Lithium series with a 10-year prorated warranty. Combined with the long cycle life of LiFePO4 chemistry, that usually means one lithium bank lasts far longer than repeated lead-acid replacements.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Go Power","offers":[{"title":"Default Title","offer_id":44782571749469,"sku":"2006741","price":2539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_331360c6-f3a4-445b-a276-25b1ca338e39.jpg?v=1784847150","url":"https:\/\/nvnmarine.com\/products\/go-power-300ah-12v-lifepo4-lithium-battery","provider":"NVN Marine","version":"1.0","type":"link"}