{"product_id":"tewaycell-20kwh-lifepo4-battery-51-2v-400ah-ip65-home-energy-storage-for-backup-power","title":"Tewaycell 20kWh LiFePO4 baterie 51,2V 400Ah IP65 Home Úložiště energie pro záložní napájení","description":"\u003ch2\u003eTewaycell 20kWh LiFePO4 Home Battery – 51.2V 400Ah IP65 Lithium Battery for Home Backup Power\u003c\/h2\u003e\n\u003cp\u003ePower your home with the Tewaycell 51.2V 400Ah LiFePO4 battery, designed for residential energy storage, solar power systems, and home backup power. This 20kWh home battery combines an integrated Battery Management System (BMS), IP65-rated enclosure protection, built-in aerosol fire suppression, and Bluetooth and Wi-Fi connectivity.\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e20kWh High-Capacity LiFePO4 Battery\u003c\/strong\u003e\u003cbr\u003eThe 51.2V 400Ah LiFePO4 battery delivers 20.48kWh of nominal energy, ideal for home energy storage, solar systems, and backup power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart BMS with WiFi \u0026amp; Bluetooth\u003c\/strong\u003e\u003cbr\u003eMonitor real-time SOC, voltage, and charging power via mobile app, helping optimize solar self-consumption and energy usage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActive Balancing\u003c\/strong\u003e\u003cbr\u003eThe integrated Battery Management System (BMS) incorporates 2A cell balancing to help maintain cell voltage consistency and support reliable battery operation.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Aerosol Fire Suppression\u003c\/strong\u003e\u003cbr\u003eAn integrated condensed aerosol fire suppression device adds a layer of fire protection within the battery enclosure. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Inverter Compatibility\u003c\/strong\u003e\u003cbr\u003eSupports CAN, RS485 and RS232 communication and is compatible with many popular solar inverter brands, including Deye, Growatt, GoodWe, Victron, Sofar and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIP65-Rated Enclosure Protection\u003c\/strong\u003e\u003cbr\u003eThe IP65-rated enclosure provides protection against dust ingress and water jets from any direction under specified test conditions. This makes the battery suitable for appropriately designed indoor or sheltered outdoor energy storage installations.\u003c\/p\u003e\n\u003cdiv style=\"width: 100%; max-width: 100%; min-width: 0; margin: 24px 0; box-sizing: border-box;\"\u003e\n\u003ctable style=\"width: 100%; max-width: 100%; min-width: 0; table-layout: fixed; border-collapse: collapse; border: 1px solid #dce3e8; margin: 0; font-size: 14px; line-height: 1.6; color: #263238; white-space: normal; overflow-wrap: anywhere; word-wrap: break-word;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" scope=\"colgroup\" style=\"padding: 14px 10px; background-color: #173b46; color: #ffffff; text-align: left; font-size: 16px; font-weight: bold; border: 1px solid #173b46; white-space: normal; overflow-wrap: anywhere;\"\u003eIP65 20kWh LiFePO4 Battery Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"width: 38%; padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"width: 62%; padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere; word-break: break-word;\"\u003eIP51400-200A-WIFI+AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"width: 38%; padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eNominal Capacity\u003c\/th\u003e\n\u003ctd style=\"width: 62%; padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e400Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e51.2V (16S1P)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eCharging Voltage\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e56.8V-57.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e44.8V~57.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eStandard Charging Current\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e0.2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eStandard Charging Mode\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003eAt a temperature of 25℃,charge to 58.4V with a constant current of 0.2C5A,and then change continuously with a constant voltage of 58.4V until the current is not greater than 0.02C5A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eMaximum Charging Current\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eMaximum Discharge Current\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eCharging Temperature\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e0℃to 45℃(32°Fto 113°F)@60±25%relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eDischarge Temperature\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e-20℃ to 60℃(-4°Fto 140°F)@60±25%relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eStorage Temperature\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e10℃ to 25℃(50°F~77°F)@60±25%relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eLine Joint\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e250A Self-Locking Fitting Quick Release Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eNet Weight Approx.\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003e145kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eCommunication Protocol\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003eRS485、RS232、CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f4f7f8;\"\u003e\n\u003cth scope=\"row\" style=\"padding: 10px 8px; border: 1px solid #dce3e8; text-align: left; vertical-align: top; font-weight: 600; white-space: normal; overflow-wrap: anywhere;\"\u003eSupport Inverter Brand\u003c\/th\u003e\n\u003ctd style=\"padding: 10px 8px; border: 1px solid #dce3e8; vertical-align: top; white-space: normal; overflow-wrap: anywhere;\"\u003eGrowatt、Deye、Goodwe、voltronic、Sofar VICTRON、Megarevo、SRNE、PYLON Luxpowertek、Sorotec、SMA、GINLONG、MUST、TBB、STUDER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDownload Document:\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0603\/8283\/8841\/files\/Tewaycell_IP65_20kWh_LiFePO4_Battery_User_Manual_V1.0.pdf?v=1792743312\" title=\"Tewaycell IP65 20kWh LiFePO4 Battery User Manual\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eTewaycell IP65 20kWh LiFePO4 Battery User Manual.PDF\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHome energy storage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSolar energy storage systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eResidential backup power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible off-grid energy systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible hybrid inverter systems\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this battery compatible with my inverter?\u003c\/strong\u003e\u003cbr\u003eA: The Tewaycell 20kWh LiFePO4 Battery is a 51.2V low-voltage (LV) battery system designed for 48V-class hybrid inverters with a battery input range of approximately 40V–60V.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, please confirm:\u003c\/p\u003e\n\u003cp\u003e✅ Your inverter supports 48V\/51.2V lithium battery systems\u003cbr\u003e✅ Your inverter supports compatible CAN or RS485 communication protocols\u003c\/p\u003e\n\u003cp\u003eThe battery is compatible with many mainstream inverter brands, including Growatt, GoodWe, Deye, SofarSolar, Victron, Voltronic, SRNE, Megarevo, PYLONTECH, SMA, Solis, MUST, TBB, Studer, and more.\u003c\/p\u003e\n\u003cp\u003e⚠️ This battery is not compatible with high-voltage (HV) inverter systems requiring battery voltages above 100V.\u003c\/p\u003e\n\u003cp\u003ePlease contact us with your inverter brand and model before purchase if you're not sure, and we will confirm compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this LiFePO4 battery waterproof?\u003c\/strong\u003e\u003cbr\u003eA: The battery features an IP65-rated enclosure designed to protect against dust ingress and water jets under specified test conditions. IP65 protection does not mean the battery can be submerged in water. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the battery have a built-in battery management system (BMS)?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it features an integrated BMS with 2A cell balancing to help maintain cell voltage consistency and support reliable battery operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this home energy storage battery have fire protection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the battery includes a built-in condensed aerosol fire suppression device as an additional safety feature within the battery enclosure. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I monitor the battery through my smartphone?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the battery supports Bluetooth and Wi-Fi connectivity. Battery status and operating information can be monitored through a compatible application\u003c\/p\u003e","brand":"Tewaycell","offers":[{"title":"51.2V 400Ah IP65 \/ China(45-60 DAYS)","offer_id":50923210866745,"sku":null,"price":2359.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/8283\/8841\/files\/IP6520kWhLiFePO4Battery01_1.jpg?v=1792746637","url":"https:\/\/tewaycell.com\/cs\/products\/tewaycell-20kwh-lifepo4-battery-51-2v-400ah-ip65-home-energy-storage-for-backup-power","provider":"Tewaycell","version":"1.0","type":"link"}