{"product_id":"8kwh-lifepo4-high-voltage-battery-25-6v-to-400v-dc-boost","title":"Tewaycell 8kWh LiFePO4 High Voltage Battery with 25.6V to 400V DC Boost","description":"\u003ch2\u003eTewaycell 8kWh LiFePO4 \u003cstrong\u003eHigh Voltage\u003c\/strong\u003e ESS is built-in DC boost module \u003cstrong\u003econverting 25.6V battery voltage to 400V DC output\u003c\/strong\u003e.\u003c\/h2\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003ch3\u003e25.6V to 400V DC Boost--- Built-in high-efficiency DC boost technology\u003c\/h3\u003e\n\u003cp\u003eUnlike conventional low-voltage batteries, the Tewaycell system integrates a DC boost module that converts the 25.6V battery voltage to a stable 400V DC high-voltage output.\u003c\/p\u003e\n\u003cp\u003eThis makes the battery suitable for high-voltage energy storage systems without requiring a conventional series-connected high-voltage battery stack.\u003c\/p\u003e\n\u003ch3\u003e8kWh LiFePO4 Battery\u003c\/h3\u003e\n\u003cp\u003ePowered by a 25.6V 314Ah LiFePO4 battery, each unit provides approximately 8kWh of energy capacity. LiFePO4 chemistry delivers excellent thermal stability, 6000+ long cycle life and reliable performance for daily home energy storage.\u003c\/p\u003e\n\u003ch3\u003eExpandable Energy Storage\u003c\/h3\u003e\n\u003cp\u003eStart with approximately 8kWh and expand your storage capacity as your energy needs grow.\u003c\/p\u003e\n\u003cp\u003eConnect multiple units to build larger systems:\u003cbr\u003e8kWh → 16kWh → 24kWh → 32kWh → 40kWh+\u003c\/p\u003e\n\u003cp\u003eIdeal for homes with different energy consumption levels and solar storage requirements.\u003c\/p\u003e\n\u003ch3\u003eIP65 Protection\u003c\/h3\u003e\n\u003cp\u003eThe IP65-rated enclosure helps protect the battery system against dust and water jets, making it suitable for demanding installation environments.\u003c\/p\u003e\n\u003ch3\u003ePassive heat dissipation with integrated heat sinks\u003c\/h3\u003e\n\u003cp\u003eThe system uses a passive cooling design with integrated heat sinks, efficiently dissipating heat generated during battery operation without forced-air fans. The fanless design helps reduce operating noise, minimize moving parts, and lower maintenance requirements.\u003c\/p\u003e\n\u003ch3\u003eMulti-Protocol Communication\u003c\/h3\u003e\n\u003cp\u003eCAN, RS232, RS485 for HV inverters compatibility, such as Goodwe ES\/ET HV series, Solis RHI\/S6 HV series, Growatt SPH HV series, AISWEI HV series, SWatten HV series, Sinexcel ISUNA HV series, Solinteg MHS HV series, \u003cstrong\u003ePYLONTECH \u003c\/strong\u003eetc. (Contact us for compatibility with other inverters)\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; display: block;\"\u003e\n\u003ctable style=\"border-collapse: collapse; font-size: 13px; white-space: nowrap;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003eHV-DC400V-8kWh\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003e2P-HV-DC400V-8kWh\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003e3P-HV-DC400V-8kWh\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003e4P-HV-DC400V-8kWh\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003e5P-HV-DC400V-8kWh\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px 10px; background: #1a3a5c; color: #fff;\"\u003e6P-HV-DC400V-8kWh\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eInverter Board Model\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eTBCU25400-4K2I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eNo. of Inverter Boards\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eBattery Model\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e8S1P-314Ah (8,038.4Wh, 25.6V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eNo. of Batteries\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eSize (mm)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×437\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×687\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×937\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×1187\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×1437\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e700×360×1685\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eEnergy Capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e8,038.4 Wh\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e16,076.8 Wh\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e24,115.2 Wh\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e32,153.6 Wh\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e40,192 Wh\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e48,230.4 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eOperating Voltage (VDC)\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e350 – 450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eRated Voltage (VDC)\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eMax Continuous Output Power\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e4.2 kW\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e8.4 kW\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e12.6 kW\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e16.8 kW\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e21 kW\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e25.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"7\" style=\"border: 1px solid #ccc; padding: 6px 10px; background: #2d6a4f; color: #fff; font-weight: bold;\"\u003eBMU Parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eVoltage Detection Channels\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eRoute 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eTemperature Detection Channels\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eRoute 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eBattery Current Detection\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e-375A – +375A, ≤±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"7\" style=\"border: 1px solid #ccc; padding: 6px 10px; background: #2d6a4f; color: #fff; font-weight: bold;\"\u003eBasic Characteristics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eMax Parallel Connections\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eSwitching Time\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eWork Mode\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eCharging, Discharging, Standby, Power Off (Hibernation), Repair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eIsolation Method\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eHigh Frequency Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eCooling Method\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eNatural Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eProtection\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eOver-temperature, over-current, short-circuit, overcharge, over-discharge, cell overvoltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eProtection Level\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eIP65 and above (with complete unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e-20°C to 50°C, no derating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e-40°C – 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e5% – 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eWorking Altitude\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003e4,000 m MAX, \u0026gt;2,000 m derating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd colspan=\"6\" style=\"border: 1px solid #ccc; padding: 6px 10px;\"\u003eCAN, RS232, RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDesigned for Home \u0026amp; Solar Energy Storage\u003c\/h2\u003e\n\u003cp\u003eTewaycell high-voltage LiFePO4 battery systems are designed for a wide range of residential energy storage applications.\u003c\/p\u003e\n\u003ch3\u003eSolar Energy Storage\u003c\/h3\u003e\n\u003cp\u003eStore excess solar energy during the day and use it when solar production is low.\u003c\/p\u003e\n\u003ch3\u003eHome Backup Power\u003c\/h3\u003e\n\u003cp\u003eKeep essential household loads powered during grid outages when integrated with a compatible inverter and backup system.\u003c\/p\u003e\n\u003ch3\u003eEnergy Self-Consumption\u003c\/h3\u003e\n\u003cp\u003eUse stored energy during peak-demand periods to improve the utilization of your solar power system.\u003c\/p\u003e\n\u003ch3\u003eResidential Energy Storage\u003c\/h3\u003e\n\u003cp\u003eBuild a scalable battery system that can grow with your household's energy needs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eQ: What is the output voltage of the battery?\u003c\/h3\u003e\n\u003cp\u003eA: The battery uses a 25.6V LiFePO4 battery pack with a built-in DC boost module that provides a nominal 400V DC high-voltage output. The specified operating output range is 350–450V DC.\u003c\/p\u003e\n\u003ch3\u003eQ: What is the capacity of one battery?\u003c\/h3\u003e\n\u003cp\u003eA: One battery module provides approximately 8.04kWh of energy capacity, based on a 25.6V 314Ah LiFePO4 battery pack.\u003c\/p\u003e\n\u003ch3\u003eQ: Can I expand the battery capacity?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. Multiple battery units can be configured for larger energy storage systems. Available configurations include 8kWh, 16kWh, 24kWh, 32kWh and 40kWh options and more. Please confirm the required configuration before ordering.\u003c\/p\u003e\n\u003ch3\u003eQ: Which inverters are compatible?\u003c\/h3\u003e\n\u003cp\u003eA: The battery is designed for compatible high-voltage energy storage inverters from brands such as GoodWe, Solis, Growatt, AISWEI, SWatten, Sinexcel and Solinteg. Compatibility depends on the exact inverter model and communication configuration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Tewaycell","offers":[{"title":"DC400V 8kWh \/ China (50-70 DAYS)","offer_id":46277724078137,"sku":"HV-DC400V-8kWh","price":1459.0,"currency_code":"EUR","in_stock":true},{"title":"DC400V 16kWh \/ China (50-70 DAYS)","offer_id":46277724110905,"sku":"2P-HV-DC400V-8kWh","price":2859.0,"currency_code":"EUR","in_stock":true},{"title":"DC400V 24kWh \/ China (50-70 DAYS)","offer_id":46207547047993,"sku":"3P-HV-DC400V-8kWh","price":3999.0,"currency_code":"EUR","in_stock":true},{"title":"DC400V 32kWh \/ China (50-70 DAYS)","offer_id":46207547080761,"sku":"4P-HV-DC400V-8kWh","price":5259.0,"currency_code":"EUR","in_stock":true},{"title":"DC400V 40kWh \/ China (50-70 DAYS)","offer_id":46207547113529,"sku":"5P-HV-DC400V-8kWh","price":6499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/8283\/8841\/files\/8kwhSolarBatteryBuiltinBoostModuleDC400V02.jpg?v=1784169632","url":"https:\/\/tewaycell.com\/products\/8kwh-lifepo4-high-voltage-battery-25-6v-to-400v-dc-boost","provider":"Tewaycell","version":"1.0","type":"link"}