{"product_id":"bigbattery-48v-16kwh-nexus-2-lifepo4-battery","title":"BigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery","description":"\u003ch2\u003eThe BigBattery NEXUS 2 Stores 16kWh in One Rolling, Floor-Standing Cabinet for Off-Grid Homes and Backup Power\u003c\/h2\u003e\n\u003cp\u003eThe BigBattery NEXUS 2 is a 51.2V, 314Ah lithium iron phosphate battery that stores 16.08kWh in a single floor-standing cabinet. It is built for off-grid homes, cabins and backup power systems where you want a large amount of storage without mounting batteries on a wall or building a rack.\u003c\/p\u003e\n\u003cp\u003eNEXUS 2 keeps the same form factor as the original NEXUS while raising capacity from 15kWh to 16kWh. Each unit rolls into place on locking casters, shows its state of charge on a front LED display, and connects to your inverter through power terminals and RS485, CAN and RJ45 communication ports on the top panel. A built-in battery management system, a self-heating function and integrated aerosol fire suppression protect the cells, and up to 15 units can run in parallel for up to 240kWh of storage.\u003c\/p\u003e\n\u003cp\u003eBigBattery backs NEXUS 2 with a 12-year warranty and lifetime USA-based technical support, and it ships from Texas.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eBigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery Features\u003c\/h3\u003e\n\u003ch4\u003e16kWh of Storage in One Cabinet\u003c\/h4\u003e\n\u003cp\u003eWith 314Ah at 51.2V nominal, one NEXUS 2 holds 16.08kWh, enough to carry a typical off-grid household through the evening and night or keep essential circuits running through an outage.\u003c\/p\u003e\n\u003ch4\u003eStrong Continuous and Peak Output\u003c\/h4\u003e\n\u003cp\u003eThe battery supplies 150A continuously, about 7.6kW, with a peak of 270A for one second to handle motor and compressor start-up surges. It accepts up to 140A of charge current, so a large solar array or generator can refill it quickly.\u003c\/p\u003e\n\u003ch4\u003e8,000+ Cycle LiFePO4 Chemistry\u003c\/h4\u003e\n\u003cp\u003eBigBattery rates the NEXUS 2 for more than 8,000 cycles at 80% depth of discharge. Cycled once a day, that is well over 12 years of use, and LiFePO4 chemistry is far more thermally stable than other lithium-ion types.\u003c\/p\u003e\n\u003ch4\u003eMulti-Layer BMS Protection\u003c\/h4\u003e\n\u003cp\u003eThe integrated battery management system monitors voltage, current and temperature and protects against over-discharge, overcurrent, short circuits and high and low temperatures.\u003c\/p\u003e\n\u003ch4\u003eSelf-Heating for Cold Weather\u003c\/h4\u003e\n\u003cp\u003eThe battery charges from 32°F to 113°F and discharges from -4°F to 113°F. Its self-heating function helps it keep charging in cold cabins, garages and sheds.\u003c\/p\u003e\n\u003ch4\u003eIntegrated Aerosol Fire Suppression\u003c\/h4\u003e\n\u003cp\u003eEach cabinet includes a built-in aerosol fire suppression system, an added layer of safety for batteries installed inside a home or outbuilding.\u003c\/p\u003e\n\u003ch4\u003eExpand to 240kWh\u003c\/h4\u003e\n\u003cp\u003eConnect up to 15 NEXUS 2 batteries in parallel on one inverter system. Set each battery address with its DIP switch and link them through the RS485 parallel port. BigBattery also says NEXUS 2 can run in parallel with its KONG and GRIZ batteries purchased from 2019 to 2024.\u003c\/p\u003e\n\u003ch4\u003eEasy to Place and Monitor\u003c\/h4\u003e\n\u003cp\u003eLocking casters let you roll the battery into position and hold it steady. The LED display shows charge percentage at a glance, and the power terminals and communication ports sit together on the top panel for easy access.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eReal-World Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOff-grid homes and cabins.\u003c\/strong\u003e Store daytime solar for use overnight, with room to add more batteries as your loads grow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHome backup power.\u003c\/strong\u003e Pair with an inverter and transfer switch to keep refrigerators, well pumps, lights and networking running during outages.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator-assisted systems.\u003c\/strong\u003e Charge at up to 140A from a generator so it runs for shorter periods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmall commercial backup.\u003c\/strong\u003e Parallel several units for shops, farms and remote sites that need many hours of stored energy.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eHow It Compares to Common Alternatives\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVersus lead-acid battery banks.\u003c\/strong\u003e A lead-acid bank of similar usable capacity would need many heavy batteries, regular maintenance and deeper derating. NEXUS 2 is maintenance-free, usable to a much deeper depth of discharge, and rated for thousands more cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersus wall-mounted batteries.\u003c\/strong\u003e Wall-mount batteries need a structural wall and mounting hardware. NEXUS 2 stands on the floor and rolls into place, which suits garages, utility rooms and sheds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersus rack-mount server batteries.\u003c\/strong\u003e Rack batteries need a cabinet, bus bars and more interconnect wiring. NEXUS 2 puts 16kWh in one self-contained unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersus the original NEXUS.\u003c\/strong\u003e NEXUS 2 keeps the same footprint and adds capacity, going from 15kWh and 300Ah to 16.08kWh and 314Ah.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eIs This NEXUS 2 Battery the Right Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem voltage.\u003c\/strong\u003e 48V nominal systems (51.2V LiFePO4).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter.\u003c\/strong\u003e BigBattery lists communication compatibility with its APEX inverters and inverters from EG4, GoodWe, Solis, Deye, PYLON and Victron for off-grid installations that do not require UL 9540.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation.\u003c\/strong\u003e Indoor, floor-standing installation on a surface that supports at least 150 kg\/m². The cabinet is IP54 rated and weighs about 315 lbs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace.\u003c\/strong\u003e 19.7 in wide, 27.5 in high and 15.7 in deep (500 x 700 x 400 mm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring.\u003c\/strong\u003e UL3512 4 AWG power cables with ring terminals, torqued to 16 Nm at the battery terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis may be a good fit if\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYou are building or upgrading an off-grid solar system\u003c\/li\u003e\n\u003cli\u003eYou want 16kWh or more of storage without a wall mount or rack\u003c\/li\u003e\n\u003cli\u003eYou need batteries that work in cold garages or cabins\u003c\/li\u003e\n\u003cli\u003eYou may expand your storage later\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003ch4\u003eIs NEXUS 2 UL 9540 Listed?\u003c\/h4\u003e\n\u003cp\u003eBigBattery lists the NEXUS 2 inverter compatibility for off-grid installations that do not require UL 9540. If your installation needs a UL 9540 listed system, ask us about alternatives before ordering.\u003c\/p\u003e\n\u003ch4\u003eHow Many Batteries Can I Connect?\u003c\/h4\u003e\n\u003cp\u003eUp to 15 NEXUS 2 batteries in parallel, for up to 240kWh. The batteries are not designed for series connection. Make sure all batteries are within 1 volt of each other before connecting them in parallel.\u003c\/p\u003e\n\u003ch4\u003eWhat Charge Settings Should I Use?\u003c\/h4\u003e\n\u003cp\u003eBigBattery recommends 57V bulk and absorption with 0 minutes absorption time, 55V float, equalize off, 48V low voltage cutoff, 57V high voltage cutoff and a 50.8V inverter low voltage setting.\u003c\/p\u003e\n\u003ch4\u003eDoes It Work in the Cold?\u003c\/h4\u003e\n\u003cp\u003eYes. It charges down to 32°F and discharges down to -4°F, and the self-heating function helps keep it charging in cold weather.\u003c\/p\u003e\n\u003ch4\u003eHow Long Will It Last?\u003c\/h4\u003e\n\u003cp\u003eBigBattery rates it for more than 8,000 cycles at 80% depth of discharge and backs it with a 12-year warranty. When it reaches the end of its life, BigBattery will recycle it free of charge.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x BigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery\u003c\/li\u003e\n\u003cli\u003eBattery-to-inverter communication cable\u003c\/li\u003e\n\u003cli\u003eRed and black power cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003eLarge-Scale Storage Made Simple\u003c\/h3\u003e\n\u003cp\u003eThe BigBattery NEXUS 2 gives you 16kWh of safe, expandable LiFePO4 storage in one rolling cabinet, backed by a 12-year warranty. At Outbound Power, we help customers choose the right parts for their solar and battery systems. If you have questions, our team is happy to help.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ctable style=\"border-collapse: collapse; max-width: 100%; overflow-x: auto;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"background-color: rgb(242, 242, 242); text-align: left; width: 100%;\"\u003e\n\u003ch3\u003eBigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery Specifications\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 44.1489%;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.8511%;\"\u003eNEXUS 2 16kWh (F-NXUS2-48161-G1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGTIN\/UPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e00199874694771\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiFePO4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsable Energy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.08kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAh Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e314Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16S1P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8,000+ cycles at 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.6kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Discharge Peak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e270A (1 second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53.5V to 57.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48V to 57.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57.9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuggested Low Voltage Cutoff\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eRecommended Charge Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBulk and Absorption Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAbsorption Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEqualize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Voltage Cutoff\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh Voltage Cutoff\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuggested Inverter Low Voltage Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eEnvironment and Physical\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarge Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-4°F to 113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptimal Discharge Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e59°F to 95°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature (SoC above 50%)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 month -4°F to 113°F, 3 months -4°F to 95°F, 6 months -4°F to 77°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10% to 95% (no condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAltitude Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 2,000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndoor, floor-standing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAbout 315 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19.7 x 27.5 x 15.7 in (500 x 700 x 400 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 in parallel (up to 240kWh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485, RJ45, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUN38.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch3\u003eBigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery Manual\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/BigBattery_48V_16kWh_NEXUS_2_LiFePO4_Battery_Manual.pdf?v=1791242596\" title=\"BigBattery 48V 16kWh NEXUS 2 LiFePO4 Battery Manual\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/BigBattery_48V_16kWh_NEXUS_2_LiFePO4_Battery_Manual_100x100_a9a466d6-9f83-4ebb-a03b-9ca8dff88796.jpg?v=1791242621\" alt=\"BigBattery_48V_16kWh_NEXUS_2_LiFePO4_Battery_Manual\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":47536753049849,"sku":"F-NXUS2-48161-G1","price":2990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/Nexus-2-Main-image.webp?v=1791242726","url":"https:\/\/outboundpower.com\/products\/bigbattery-48v-16kwh-nexus-2-lifepo4-battery","provider":"Outbound Power","version":"1.0","type":"link"}