{"product_id":"ruixu-lithi2-20-51-2v-392ah-lithium-battery-system-20kwh-ip55","title":"RUiXU Lithi2-20 51.2V 392Ah Lithium Battery System | 20kWh | IP55","description":"\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 32px; margin: 0 0 40px;\"\u003e\n\u003cdiv style=\"flex: 2 1 320px; min-width: 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/ruixu-lithi2-20-20kwh-battery-front-and-angled-views-on-rolling-casters-and-on-leveling-feet.jpg\" alt=\"RUiXU Lithi2-20 20kWh battery front and angled views on rolling casters and on leveling feet\" width=\"1400\" height=\"701\" style=\"display: block; width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 3 1 320px; min-width: 0; text-wrap: pretty;\"\u003e\n\u003ch2 style=\"margin-top: 0;\"\u003eThe RUiXU Lithi2-20 Lithium Battery System Stores 20kWh in One IP55 Cabinet You Can Install Indoors or Outdoors\u003c\/h2\u003e\n\u003cp\u003eThe RUiXU Lithi2-20 is a 51.2V, 392Ah lithium iron phosphate battery that stores 20kWh in a single floor-standing cabinet. It is the larger sibling of the RUiXU Lithi2-16, with about 25% more energy in one unit, and RUiXU builds it with new Grade A cells.\u003c\/p\u003e\n\u003cp\u003eIt is made for homeowners and light commercial users who pair a 48V battery with a hybrid or off-grid inverter for backup power, solar storage or off-grid living. An IP55 enclosure, built-in self-heating, Bluetooth app monitoring and an internal aerosol fire suppression module come standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003ch3\u003eRUiXU Lithi2-20 Lithium Battery System Features\u003c\/h3\u003e\n\u003ch4\u003e20kWh in One Cabinet\u003c\/h4\u003e\n\u003cp\u003eOne Lithi2-20 holds 20kWh at 51.2V. Fewer units mean fewer cables, fewer connections and less floor space than a bank of smaller modules.\u003c\/p\u003e\n\u003ch4\u003eIP55 Enclosure for Indoor or Outdoor Installation\u003c\/h4\u003e\n\u003cp\u003eRUiXU rates the enclosure IP55 for protection against dust and water jets and designs the Lithi2-20 for indoor and outdoor installation. That gives you more choices for placement, such as a garage or a sheltered spot outside the house.\u003c\/p\u003e\n\u003ch4\u003eSelf-Heating for Cold Weather Charging\u003c\/h4\u003e\n\u003cp\u003eThe built-in heater turns on during charging when the battery is at 41°F (5°C) or below, so the cells can accept a charge in cold weather. RUiXU's data sheet lists a charge and discharge range of -22°F to 140°F (-30°C to 60°C).\u003c\/p\u003e\n\u003ch4\u003eAerosol Fire Suppression and \u003cspan style=\"white-space: nowrap;\"\u003eTwo-Pole Protection\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eAn aerosol fire suppression module inside the pack adds protection for the wiring and cells. The battery management system watches every cell, a miniature circuit breaker protects the positive terminal, and RUiXU adds a fuse on the negative terminal.\u003c\/p\u003e\n\u003ch4\u003eQuick-Connect Terminals and Bluetooth Updates\u003c\/h4\u003e\n\u003cp\u003eTool-free quick-connect terminals are rated for 200A continuous current. The RUiXU app connects over Bluetooth to show battery information and install over-the-air firmware updates, and CAN and RS485 ports handle communication with compatible inverters.\u003c\/p\u003e\n\u003ch4\u003eExpandable to 640kWh\u003c\/h4\u003e\n\u003cp\u003eRUiXU supports up to 32 Lithi2-20 batteries in parallel, from 20kWh up to 640kWh, for larger homes and light commercial sites. Passive cell balancing at 150mA helps keep the cells evenly matched after charging.\u003c\/p\u003e\n\u003ch4\u003e9,500-Cycle Rating and \u003cspan style=\"white-space: nowrap;\"\u003e10-Year Warranty\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eRUiXU rates the Lithi2-20 for 9,500 or more cycles at 80% depth of discharge with a 15-year design life, and the battery carries a 10-year warranty from RUiXU.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003e\u003cspan style=\"white-space: nowrap;\"\u003eReal-World Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhole-Home and Critical-Load Backup.\u003c\/strong\u003e Paired with a compatible hybrid inverter, the Lithi2-20 keeps lights, the refrigerator, internet and other important circuits running through a grid outage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Self-Consumption.\u003c\/strong\u003e Store daytime solar production for the evening, or charge when utility rates are low and use stored energy when rates are high.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOff-Grid Homes and Cabins.\u003c\/strong\u003e With an off-grid inverter and solar array, one or more Lithi2-20 batteries become the main energy store for a property with no utility service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLight Commercial Storage.\u003c\/strong\u003e RUiXU designed the Lithi2-20 for light commercial use too, and its parallel capacity lets a shop, farm or office grow storage as needs change.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003ePractical Comparison\u003c\/h3\u003e\n\u003ch4\u003eLithi2-20 Versus \u003cspan style=\"white-space: nowrap;\"\u003eLithi2-16\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eBoth are 51.2V lithium iron phosphate battery systems from RUiXU. The Lithi2-20 stores 20kWh (392Ah) against the Lithi2-16's 16kWh (314Ah), so a 40kWh system takes two Lithi2-20 batteries instead of three \u003cspan style=\"white-space: nowrap;\"\u003eLithi2-16 units.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eOne Large Battery Versus Rack Modules\u003c\/h4\u003e\n\u003cp\u003eA rack bank built from 5kWh or 6kWh modules lets you add capacity in small steps, but it needs a rack or cabinet and more cabling. The Lithi2-20 puts 20kWh in one floor-standing enclosure, which keeps the installation simpler.\u003c\/p\u003e\n\u003ch4\u003eLithium Battery Versus a \u003cspan style=\"white-space: nowrap;\"\u003eLead-Acid Bank\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eA lead-acid bank needs venting and regular care, loses capacity when it is discharged deeply and wears out after far fewer cycles. A LiFePO4 battery like the Lithi2-20 needs no watering, communicates with the inverter and keeps a steady voltage through most of its charge.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eBuyer Guidance\u003c\/h3\u003e\n\u003ch4\u003eSizing Your System\u003c\/h4\u003e\n\u003cp\u003eAdd up the kilowatt-hours your loads use over the outage or overnight period you want to cover, then divide by 20kWh to estimate how many batteries you need. Check that your inverter supports a 48V lithium battery with CAN or RS485 communication and that its battery current suits your bank.\u003c\/p\u003e\n\u003ch4\u003eInstallation and Placement\u003c\/h4\u003e\n\u003cp\u003eThe Lithi2-20 weighs 330.69 lb (150 kg) and stands 35.98 inches tall with wheels, so plan its route and final spot before delivery. A qualified installer should handle the wiring and commissioning, and any connection to your home's electrical panel should be done by a licensed electrician under local codes and permits.\u003c\/p\u003e\n\u003ch4\u003eThis May Be A Good Fit If\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eYou want 20kWh of storage in one battery instead of several modules\u003c\/li\u003e\n\u003cli\u003eYour battery needs to go outdoors or in an unheated space\u003c\/li\u003e\n\u003cli\u003eYou plan to add more batteries as your needs grow\u003c\/li\u003e\n\u003cli\u003eYou use a hybrid or off-grid inverter with a 48V lithium battery bank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003ch4\u003eCan the Lithi2-20 Be Installed Outdoors?\u003c\/h4\u003e\n\u003cp\u003eYes. RUiXU rates the enclosure IP55 and designs the Lithi2-20 for indoor and outdoor installation. Follow the installation clearances and local code requirements for your site.\u003c\/p\u003e\n\u003ch4\u003eHow Many Batteries Can I Connect?\u003c\/h4\u003e\n\u003cp\u003eRUiXU supports up to 32 Lithi2-20 batteries in parallel, for up to 640kWh of storage.\u003c\/p\u003e\n\u003ch4\u003eWhich Safety Certifications Does It Have?\u003c\/h4\u003e\n\u003cp\u003eRUiXU's data sheet lists CE, CEC, SGIP, IEC 62619, IEC 61000 and UN 38.3, and lists UL 1973, UL 9540A and UL 9540 as pending. Check with your local authority if your installation requires a specific listing.\u003c\/p\u003e\n\u003ch4\u003eWhat Warranty Does the \u003cspan style=\"white-space: nowrap;\"\u003eLithi2-20 Have?\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eRUiXU backs the Lithi2-20 with a \u003cspan style=\"white-space: nowrap;\"\u003e10-year warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x RUiXU Lithi2-20 51.2V 392Ah Lithium Battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003eBig Storage With a Simple Install\u003c\/h3\u003e\n\u003cp\u003eThe RUiXU Lithi2-20 Lithium Battery System gives you 20kWh of LiFePO4 storage in one IP55 cabinet, with self-heating, fire suppression and room to grow to 640kWh. If you need help sizing a battery system or matching it to your inverter, the Outbound Power team is ready 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\u003eRUiXU Lithi2-20 51.2V 392Ah Lithium Battery System Specifications\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\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%;\"\u003eLithi2-20\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\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e392Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Energy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium iron phosphate (LiFePO4), 16S1P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9,500+ cycles at 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\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\u003e44.8V to 58.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150A recommended, 200A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150A recommended, 200A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240A for 15 s, 300A for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuick-connect, 200A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBMS, miniature circuit breaker (positive), fuse (negative)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Balancing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150mA passive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eCommunication and Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485, CAN, Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRUiXU app (monitoring, OTA firmware updates)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmergency Power Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEPO input (Link-IN port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExpansion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 32 batteries in parallel (640kWh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-22°F to 140°F (-30°C to 60°C), charge and discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSelf-Heating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTurns on during charging at 41°F (5°C) or below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14°F to 113°F (-10°C to 45°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP55 (indoor or outdoor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Suppression\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal aerosol module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eSize and Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35.98 x 21.65 x 9.84 in (914 x 550 x 250 mm), height with wheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330.69 lb (150 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background-color: rgb(242, 242, 242);\"\u003e\u003cstrong\u003eCertifications and Warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, CEC, SGIP, IEC 62619, IEC 61000, UN 38.3, SATS 5398\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUL Listings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1973, UL 9540A, UL 9540 (pending)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch3\u003eRUiXU Lithi2-20 Data Sheet\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/ruixu-lithi2-20-data-sheet.pdf\" title=\"RUiXU Lithi2-20 Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/ruixu-lithi2-20-data-sheet.jpg\" alt=\"RUiXU Lithi2-20 Data Sheet\" width=\"100\" height=\"100\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"RUiXU","offers":[{"title":"Default Title","offer_id":67706357154041,"sku":"Lithi2-20","price":3199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/9128\/2937\/files\/ruixu-lithi2-20-20kwh-lithium-battery-front-view-on-rolling-casters.jpg?v=1794691963","url":"https:\/\/outboundpower.com\/products\/ruixu-lithi2-20-51-2v-392ah-lithium-battery-system-20kwh-ip55","provider":"Outbound Power","version":"1.0","type":"link"}