{"product_id":"ecoflow-powerocean-battery-junction-box-and-floor-base-for-3ph-systems-up-to-20kwh","title":"EcoFlow PowerOcean Battery Junction Box and Floor Base for 3ph Systems | Up to 20kWh","description":"\u003c!-- SEO Product Name: EcoFlow PowerOcean Battery Junction Box \u0026amp; Floor Base for 3ph Systems | Up to 20kWh --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eEcoFlow PowerOcean Battery Junction Box and Floor Base\u003c\/strong\u003e is a genuine EcoFlow accessory set for \u003cstrong\u003ethree-phase PowerOcean hybrid inverter\u003c\/strong\u003e installations. Unlike the single-phase PowerOcean and Ocean 2 ranges, which stack batteries directly onto the inverter, the three-phase PowerOcean system uses a \u003cstrong\u003emodular, separated design\u003c\/strong\u003e, where the battery junction box provides the electrical connection point between the inverter and the battery stack.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe floor base secures the battery stack to the floor, while the junction box manages the \u003cstrong\u003ebattery-inverter connection control\u003c\/strong\u003e, including safe disconnect and reconnect. Together, they support a floor-standing stack of \u003cstrong\u003ePowerOcean LFP battery modules\u003c\/strong\u003e for three-phase installations, up to a combined capacity of \u003cstrong\u003e20kWh (4 batteries)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -4px 24px -4px;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e3-Phase\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eSystem Compatibility\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e4\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eMax. Batteries Supported\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e20 kWh\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eMax. Stack Capacity\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eFloor\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eMounting Method\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eIP65\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eBattery Ingress Protection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e15 Yrs\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eBattery Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; border-radius:0 8px 8px 0; padding:14px 18px; margin:10px 0 18px 0; font-size:15px; color:#2B2B2B;\"\u003e\n\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This junction box and floor base set is designed \u003cstrong\u003especifically for three-phase PowerOcean hybrid inverters\u003c\/strong\u003e. It is a different product from the junction box and floor base used with PowerOcean Plus (3ph) or Ocean 2 systems, which support different battery quantities — check compatibility carefully before ordering.\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -4px 20px -4px;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003ePurpose-Built for 3ph PowerOcean\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eDesigned to be installed with \u003cstrong\u003ePowerOcean three-phase hybrid inverters\u003c\/strong\u003e, providing the correct electrical and mechanical interface for this modular system architecture.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eBattery-Inverter Connection Control\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe junction box manages \u003cstrong\u003esafe disconnect and reconnect\u003c\/strong\u003e of the battery stack from the inverter, supporting safe maintenance and servicing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSupports Up to 20kWh\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe base and junction box combination can stack a maximum of \u003cstrong\u003e4 battery modules\u003c\/strong\u003e, giving a total capacity of up to \u003cstrong\u003e20kWh\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eLFP Battery Safety Technology\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eCompatible with PowerOcean's \u003cstrong\u003eLFP battery modules\u003c\/strong\u003e, which include a built-in fire prevention module as part of a layered safety design.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eIP65-Rated System Design\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eWorks with the \u003cstrong\u003eIP65-rated\u003c\/strong\u003e PowerOcean battery enclosure, supporting robust indoor or outdoor installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSecure Floor-Standing Fixing\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe floor base is bolted directly to the floor, providing a \u003cstrong\u003estable, level foundation\u003c\/strong\u003e for the full battery stack and junction box assembly.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; overflow:hidden; margin-bottom:20px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eEcoFlow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eProduct Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eBattery Junction Box \u0026amp; Floor Base (Floor Stand)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCompatible System\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eEcoFlow PowerOcean Three-Phase Hybrid Inverter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCompatible Battery\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eEcoFlow PowerOcean LFP Battery (EF BD-5.1-S1)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMaximum Battery Modules\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMaximum Stack Capacity\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e20 kWh (4 × 5.12kWh nominal)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMounting Method\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eFloor standing, fixed with expansion bolts\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eFixing Hardware\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eM6×60 expansion bolts (supplied with battery)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMinimum Side Clearance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e300 mm either side of the stack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCascading Clearance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e400 mm minimum between adjacent battery stacks (4+ battery packs)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eRelated Battery Module\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eNominal Capacity (per module)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e5.12 kWh\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCell Chemistry\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eLiFePO4 (LFP)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eIngress Protection\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eIP65\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eWarranty\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e15 years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; border-radius:0 8px 8px 0; padding:14px 18px; margin:10px 0 18px 0; font-size:15px; color:#2B2B2B;\"\u003e\n\u003cstrong\u003eImportant Safety Information:\u003c\/strong\u003e All electrical connections to the junction box must be carried out by a \u003cstrong\u003eprofessionally trained and certified electrician\u003c\/strong\u003e. Before installation, ensure the click-on terminals on the junction box and battery are free of foreign objects or liquid, and that the floor meets the load-bearing requirements for a fully-loaded stack.\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhy does the three-phase PowerOcean system need a junction box?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe three-phase PowerOcean system uses a \u003cstrong\u003emodular, separated design\u003c\/strong\u003e, where the inverter and battery stack are connected via a junction box rather than stacking directly together as in the single-phase and Ocean 2 ranges.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eHow many batteries can this base and junction box support?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe three-phase PowerOcean base and junction box combination supports a maximum of \u003cstrong\u003e4 battery modules\u003c\/strong\u003e, for a total stack capacity of up to 20kWh.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eIs this the same accessory used with PowerOcean Plus or Ocean 2?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eNo. This specific junction box and floor base is designed for the \u003cstrong\u003eoriginal PowerOcean three-phase system\u003c\/strong\u003e. PowerOcean Plus (3ph) and Ocean 2 systems use a separate junction box and floor base rated for different battery quantities.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat does the junction box do during battery maintenance?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe junction box provides \u003cstrong\u003ebattery-inverter connection control\u003c\/strong\u003e, allowing the battery stack to be safely disconnected and reconnected, for example during servicing or maintenance.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eDoes this need professional installation?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eYes. All electrical connections must be made by a \u003cstrong\u003eprofessionally trained and certified electrician\u003c\/strong\u003e, and the floor must be assessed for adequate load-bearing capacity before installation.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"EcoFlow","offers":[{"title":"Default Title","offer_id":65686068232541,"sku":"EF-Junction-Base-3ph-PO","price":735.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/EcoFlowBatteryJunctionBoxandFloorBasefor3phPowerOcean.jpg?v=1787666276","url":"https:\/\/qualityheating.co.uk\/products\/ecoflow-powerocean-battery-junction-box-and-floor-base-for-3ph-systems-up-to-20kwh","provider":"AIZO Quality Heating","version":"1.0","type":"link"}