{"product_id":"dyness-stack-314-bdu-base-besturingseenheid","title":"Dyness Stack 314 BDU \u0026 Base – control unit","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp class=\"p4\"\u003eThe \u003cstrong\u003eDyness Stack 314 BDU \u0026amp; Base\u003c\/strong\u003e is the central control unit of the modular STACK314 high-voltage battery system, designed for small commercial and industrial energy storage applications. The BDU (Battery Disconnect Unit) manages the connection between the battery modules and the inverter, providing protection, communication and system balance. The Base forms the stable foundation on which the battery modules are stacked cable-free via plug-and-play connection. The system supports \u003cstrong\u003e3 to 15 battery modules in series\u003c\/strong\u003e per cluster, resulting in an operating voltage of 134.4 to 864 V and a system capacity of \u003cstrong\u003e48.23 kWh to 241.14 kWh\u003c\/strong\u003e. Up to \u003cstrong\u003e12 clusters\u003c\/strong\u003e can be connected in parallel for a maximum capacity of \u003cstrong\u003e2.89 MWh\u003c\/strong\u003e. Communication with the inverter is via \u003cstrong\u003eCAN or RS485\u003c\/strong\u003e. The system is equipped with an integrated aerosol fire extinguisher that detects and extinguishes fires within 5 seconds.\u003c\/p\u003e\n\u003cul class=\"usp-list\"\u003e\n\u003cli\u003e\u003cstrong\u003eScalable system:\u003c\/strong\u003e supports 3–15 Stack 314 battery modules in series per cluster, up to 12 clusters in parallel — maximum 2.89 MWh.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCable-free installation:\u003c\/strong\u003e plug-and-play stacking connection between modules — no separate DC cables between modules required.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh charge and discharge rate:\u003c\/strong\u003e max. continuous charge\/discharge current 200 A (0.64C); recommended 140 A (0.45C).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eModule mixing:\u003c\/strong\u003e modules from different production dates may be mixed within three years — flexible for future expansion.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIntegrated fire protection:\u003c\/strong\u003e built-in aerosol fire extinguisher detects and extinguishes fires within 5 seconds.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLong service life:\u003c\/strong\u003e LFP cells, ≥8,000 cycles, 10-year manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCertified:\u003c\/strong\u003e UN38.3, CE-EMC and IEC62619 certified for professional installation and operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical notes for installers\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003eThe BDU \u0026amp; Base is suitable for indoor use only (\u003cstrong\u003eIP20\u003c\/strong\u003e). The BDU (model SBDU200) has dimensions of \u003cstrong\u003e770 × 425 × 160 mm\u003c\/strong\u003e and weighs \u003cstrong\u003e19.2 kg\u003c\/strong\u003e; the Base\/Upper Cover weighs \u003cstrong\u003e18.5 kg\u003c\/strong\u003e — the combined weight of BDU \u0026amp; Base is therefore \u003cstrong\u003e37.7 kg\u003c\/strong\u003e. Cluster height is 293 + 230 × n mm (where n is the number of battery modules, maximum 8 per column). The net weight of a complete cluster is 38 + 115 × n kg. If more than 8 modules are required, two columns must be used. For installations on an upper floor, the load-bearing capacity must be assessed by a structural professional. The system supports WiFi + App (user interface) and communicates with the inverter via CAN or RS485. Consult the compatibility list for the correct communication settings per inverter type.\u003c\/p\u003e\n\u003cdiv class=\"alert-box\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This package contains only the BDU \u0026amp; Base (control unit). Battery modules (Dyness Stack 314 battery module S51314, 16.076 kWh per module) are sold separately. A minimum of 3 battery modules is required for a functional system. Verify inverter compatibility before purchase. Installation by certified electricians only, in accordance with applicable national standards.\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\u003ctd\u003eLiFePO₄ (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal energy per module\u003c\/td\u003e\n\u003ctd\u003e16.076 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable energy per module\u003c\/td\u003e\n\u003ctd\u003e15.272 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal capacity\u003c\/td\u003e\n\u003ctd\u003e314 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e51.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating voltage\u003c\/td\u003e\n\u003ctd\u003e134.4–864 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem capacity (1 cluster)\u003c\/td\u003e\n\u003ctd\u003e48.228–241.14 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. system capacity (12 clusters parallel)\u003c\/td\u003e\n\u003ctd\u003e2.89 MWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. battery modules per cluster\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. battery modules in series\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. modules per column (recommended)\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. clusters in parallel\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended charge\/discharge current\u003c\/td\u003e\n\u003ctd\u003e140 A (0.45C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. continuous charge\/discharge current\u003c\/td\u003e\n\u003ctd\u003e200 A (0.64C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak discharge current (25 °C)\u003c\/td\u003e\n\u003ctd\u003e280 A, 2 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended charge\/discharge power\u003c\/td\u003e\n\u003ctd\u003e7.168 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. charge\/discharge power\u003c\/td\u003e\n\u003ctd\u003e10.24 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth of discharge (DOD)\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging temperature\u003c\/td\u003e\n\u003ctd\u003e0 °C to +55 °C (optional: −20 °C to +55 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarging temperature\u003c\/td\u003e\n\u003ctd\u003e−20 °C to +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDU SBDU200 dimensions (W × D × H)\u003c\/td\u003e\n\u003ctd\u003e770 × 425 × 160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDU weight\u003c\/td\u003e\n\u003ctd\u003e19.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase \/ Upper Cover weight\u003c\/td\u003e\n\u003ctd\u003e18.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDU \u0026amp; Base combined weight\u003c\/td\u003e\n\u003ctd\u003e37.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCluster height (n modules)\u003c\/td\u003e\n\u003ctd\u003e293 + 230 × n mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCluster weight (n modules)\u003c\/td\u003e\n\u003ctd\u003e38 + 115 × n kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP20 (indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eForced air cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eCAN \/ RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser interface\u003c\/td\u003e\n\u003ctd\u003eWiFi + App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation method\u003c\/td\u003e\n\u003ctd\u003eCable-free stacking (plug-and-play)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003e≥8,000 cycles (0.2C, 25 °C, 95% DOD, 70% EOL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated aerosol fire extinguisher (\u0026lt;5 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUN38.3 · CE-EMC · IEC62619\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"cta-group\"\u003e\u003ca rel=\"noopener\" class=\"cta-btn\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0882\/5641\/4023\/files\/Datasheet_Dyness_STACK314_20260331.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e \u003ca rel=\"noopener\" class=\"cta-btn\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0882\/5641\/4023\/files\/Manual_STACK314-EN-V1.0-20260707.pdf\" target=\"_blank\"\u003eDownload Installation Manual\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/FAQPage\" itemscope=\"\" class=\"accordion\"\u003e\n\u003cdetails itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003csummary itemprop=\"name\"\u003eWhat is included in the Dyness Stack 314 BDU \u0026amp; Base package?\u003c\/summary\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\" class=\"accordion-content\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe package contains the BDU (SBDU200, 19.2 kg) and the Base\/Upper Cover (18.5 kg) as the control unit for the STACK314 system — combined weight 37.7 kg. Battery modules (S51314, 16.076 kWh per module) are \u003cstrong\u003enot included\u003c\/strong\u003e and are sold separately. A minimum of 3 battery modules is required for a functional system. Please consult the installation manual for the complete packing list including mounting hardware, communication cables and accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003csummary itemprop=\"name\"\u003eWhich inverters are compatible with the Dyness Stack 314?\u003c\/summary\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\" class=\"accordion-content\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe Dyness Stack 314 BDU communicates via CAN or RS485 and is compatible with, among others: \u003cstrong\u003eATESS, Deye, Growatt, Megarevo, Solinteg, Solis, Sosen and Sinexcel\u003c\/strong\u003e. Please consult the installation manual and the current Dyness compatibility list for model-specific and settings details per inverter type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003csummary itemprop=\"name\"\u003eHow many battery modules can be connected to the Dyness Stack 314 BDU?\u003c\/summary\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\" class=\"accordion-content\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003ePer cluster, \u003cstrong\u003e3 to 15 battery modules in series\u003c\/strong\u003e can be connected, resulting in a system capacity of 48.23 kWh to 241.14 kWh per cluster. A maximum of \u003cstrong\u003e8 modules per column\u003c\/strong\u003e is recommended (cluster height: 293 + 230 × n mm; cluster weight: 38 + 115 × n kg). If more than 8 modules are required, two columns must be used. Up to \u003cstrong\u003e12 clusters in parallel\u003c\/strong\u003e are possible for a maximum system capacity of \u003cstrong\u003e2.89 MWh\u003c\/strong\u003e. Modules from different production dates may be mixed within three years.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003csummary itemprop=\"name\"\u003eWhat are the installation requirements for the Dyness Stack 314 BDU \u0026amp; Base?\u003c\/summary\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\" class=\"accordion-content\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe system is suitable for indoor use only (IP20). Installation by certified electricians only, in accordance with applicable national standards. The combined weight of BDU \u0026amp; Base is 37.7 kg (BDU 19.2 kg + Base\/Upper Cover 18.5 kg). For installations on an upper floor, the load-bearing capacity must be assessed by a structural professional — cluster weight is 38 + 115 × n kg. The cable-free stacking connection between modules significantly simplifies installation. Ensure adequate ventilation around the system for the forced air cooling. Please consult the \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0882\/5641\/4023\/files\/Manual_STACK314-EN-V1.0-20260707.pdf\" target=\"_blank\"\u003einstallation manual\u003c\/a\u003e for all installation requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003csummary itemprop=\"name\"\u003eWhat is the difference between the Dyness Stack 314 and the Stack 280?\u003c\/summary\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\" class=\"accordion-content\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe Stack 314 uses 314 Ah LFP cells (16.076 kWh per module) compared to 280 Ah cells in the Stack 280 (14.34 kWh per module). The Stack 314 therefore offers higher energy density per module and a larger maximum system capacity of 2.89 MWh (vs. 2.58 MWh for the Stack 280). Both systems support up to 12 clusters in parallel, cable-free stacking installation, forced air cooling and an integrated aerosol fire extinguisher. The Stack 314 is specifically designed for small commercial and industrial applications where higher capacity per module is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp class=\"p4\"\u003eExplore more products in our \u003ca title=\"Home battery range Rebor\" href=\"https:\/\/www.shop-rebor.com\/en\/collections\/byd-home-battery\"\u003ehome battery range at Rebor\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Dyness","offers":[{"title":"Default Title","offer_id":54525414277447,"sku":"STACK314-BDU","price":882.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0882\/5641\/4023\/files\/Dyness-Stack314-bdu-base-complete.webp?v=1785928030","url":"https:\/\/www.shop-rebor.com\/en\/products\/dyness-stack-314-bdu-base-besturingseenheid","provider":"Rebor B.V.","version":"1.0","type":"link"}