{"product_id":"sigenergy-sigenstack-1c-sub-base-for-bat-12-0-11180007","title":"Sigenergy SigenStack 1C Sub Base for BAT 12.0 | 11180007","description":"\u003c!-- SEO Product Name: Sigenergy SigenStack 1C Sub Base for BAT 12.0 | 11180007 --\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\u003eSigenergy SigenStack Base SUB-1C\u003c\/strong\u003e is the \u003cstrong\u003eexpansion base for additional stacks\u003c\/strong\u003e in a SigenStack \u003cstrong\u003e1C commercial battery system\u003c\/strong\u003e. Each Sub Base supports \u003cstrong\u003eup to seven SigenStack BAT 12.0 battery modules\u003c\/strong\u003e and connects to the Main stack and to other Sub stacks through \u003cstrong\u003eintegrated power and communication connections\u003c\/strong\u003e, so extra capacity is added without complex cabling.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eIt is the base to choose when the project needs \u003cstrong\u003emore than the seven modules\u003c\/strong\u003e a single Main stack can hold. Each Sub stack is topped with the \u003cstrong\u003eSigenStack Cover\u003c\/strong\u003e, and the whole system remains \u003cstrong\u003eIP66 rated\u003c\/strong\u003e and controlled by one \u003cstrong\u003eSigen C\u0026amp;I Hybrid Inverter\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 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003e1C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eHigh-rate system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003e7\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eModules per Sub stack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003e770 × 195 × 363\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eBase W \/ H \/ D (mm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003eIP66\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eSystem protection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003e4–21\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eModules per system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; min-width:130px; background:#E6F4F3; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; color:#008377CF;\"\u003e4,000 m\u003c\/div\u003e\n\u003cdiv style=\"font-size:12.5px; color:#4A4A4A; margin-top:4px;\"\u003eMax altitude (derating from 2,000 m)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:0 6px 6px 0; padding:14px 18px; margin:0 0 16px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; font-size:14px; color:#008377CF; margin-bottom:4px;\"\u003eGood to Know\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#333;\"\u003e\n\u003cstrong\u003eSub stacks add capacity.\u003c\/strong\u003e The Base SUB works with the \u003cstrong\u003eSigenStack Cover\u003c\/strong\u003e rather than a controller. Because each stack holds up to 7 modules, a full \u003cstrong\u003e21-module\u003c\/strong\u003e system is spread across \u003cstrong\u003eone Main stack and two Sub stacks\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; border-radius:0 6px 6px 0; padding:14px 18px; margin:0 0 16px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; font-size:14px; color:#E0942A; margin-bottom:4px;\"\u003ePlease Note\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#333;\"\u003e\n\u003cstrong\u003eBase only.\u003c\/strong\u003e The \u003cstrong\u003eSigenStack Cover\u003c\/strong\u003e, \u003cstrong\u003eBAT 12.0\u003c\/strong\u003e modules, \u003cstrong\u003eBase MAIN-1C (11180006)\u003c\/strong\u003e and \u003cstrong\u003eBC M2-1C-BST (11140002)\u003c\/strong\u003e are \u003cstrong\u003esupplied separately\u003c\/strong\u003e. A Sub Base cannot run on its own; it needs a Main stack. Sigenergy specifies 1C bases with the 1C-BST controller, so keep all components in the same rate class.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; border-radius:0 6px 6px 0; padding:14px 18px; margin:0 0 16px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; font-size:14px; color:#D32F2F; margin-bottom:4px;\"\u003eImportant Safety Information\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#333;\"\u003eSigenStack is \u003cstrong\u003eheavy, high-voltage DC equipment\u003c\/strong\u003e (operating range up to \u003cstrong\u003e1,100 V\u003c\/strong\u003e; each BAT 12.0 module weighs \u003cstrong\u003e105 kg\u003c\/strong\u003e). It must be installed and commissioned by a \u003cstrong\u003ecompetent, qualified electrician\u003c\/strong\u003e in line with \u003cstrong\u003eBS 7671\u003c\/strong\u003e, the Sigenergy installation guide and local building and fire-protection requirements (Sigenergy references \u003cstrong\u003eNFPA 855\u003c\/strong\u003e). The installation guide requires a \u003cstrong\u003elevel, solid, non-combustible surface\u003c\/strong\u003e with sufficient load-bearing capacity, and a \u003cstrong\u003elifting plan\u003c\/strong\u003e prepared for the modules. Do not use a battery module that has been dropped.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; color:#008377CF; margin:32px 0 14px 0; padding-bottom:8px; border-bottom:2px solid #008377CF;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:14px; margin:0 0 24px 0;\"\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eExpansion stack foundation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eProvides the \u003cstrong\u003ebase of each Sub stack\u003c\/strong\u003e, extending the system beyond the Main stack with the same footprint and stacking method.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eIntegrated power and comms\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003e\n\u003cstrong\u003ePower, balancing and communication connections\u003c\/strong\u003e link each Sub Base to the Main Base or the next Sub Base, and the supplied cables snap together.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eUp to 7 modules per stack\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eAccepts \u003cstrong\u003e1 to 7 BAT 12.0 modules\u003c\/strong\u003e per Sub stack, each module adding \u003cstrong\u003e12.06 kWh\u003c\/strong\u003e of LiFePO4 storage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003ePairs with SigenStack Cover\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eEach Sub stack is finished with the \u003cstrong\u003eSigenStack Cover\u003c\/strong\u003e, fitted before the top battery module is installed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eIP66 system protection\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003e\n\u003cstrong\u003eIP66 rated\u003c\/strong\u003e system with \u003cstrong\u003eSmart Air Cooling\u003c\/strong\u003e, \u003cstrong\u003eaerosol fire suppression\u003c\/strong\u003e and a \u003cstrong\u003e-20 to 55°C\u003c\/strong\u003e operating range.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:3px solid #008377CF; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-size:15.5px; font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eBuilt for 1C systems\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eMatches the \u003cstrong\u003eBC M2-1C-BST\u003c\/strong\u003e controller for \u003cstrong\u003e1C high-rate\u003c\/strong\u003e operation with \u003cstrong\u003e314 A\u003c\/strong\u003e nominal battery current.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; color:#008377CF; margin:32px 0 14px 0; padding-bottom:8px; border-bottom:2px solid #008377CF;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 20px 0; border:1px solid #008377CF; border-radius:6px; overflow:hidden; font-size:14.5px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:14.5px; padding:9px 14px;\"\u003eProduct Details\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenergy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenStack Base SUB-1C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eManufacturer part number\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e11180007\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eFunction\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSub base for the Sub stacks; expands the system beyond the Main stack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eDimensions (W \/ H \/ D)\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e770 \/ 195 \/ 363 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eInstallation method\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eFloor standing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eMax. modules per stack\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e7\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 20px 0; border:1px solid #008377CF; border-radius:6px; overflow:hidden; font-size:14.5px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:14.5px; padding:9px 14px;\"\u003eSystem Compatibility\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eMain stack base\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenStack Base MAIN-1C (11180006)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eBattery controller\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenStack BC M2-1C-BST (11140002)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eBattery module\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenStack BAT 12.0 – LiFePO4, 314 Ah cell, 12.06 kWh\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eTop cover\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigenStack Cover\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eSystem configuration range\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e4 to 21 modules (max. 253 kWh)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eCompatible inverter\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSigen C\u0026amp;I Hybrid Inverter series\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 20px 0; border:1px solid #008377CF; border-radius:6px; overflow:hidden; font-size:14.5px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:14.5px; padding:9px 14px;\"\u003eEnvironmental (SigenStack System)\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eSystem ingress protection\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eIP66\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eStorage temperature\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e-25 to 60°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eOperating temperature\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e-20 to 55°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eRelative humidity\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e0% to 100%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eMax. operating altitude\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e4,000 m (derating from 2,000 m)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eCooling\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eSmart air cooling\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eNoise\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003e\u0026lt; 65 dB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eFire suppression\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eAerosol, smoke sensor and exhausting system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"padding:10px 14px; font-weight:700; color:#333; flex:0 0 40%; min-width:160px; box-sizing:border-box;\"\u003eStandards\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 14px; color:#333; flex:1 1 200px; box-sizing:border-box;\"\u003eIEC\/EN 60730-1, UN 38.3, IEC\/EN 62619, IEC\/EN 63056, IEC\/EN 62040, UL9540A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size:19px; font-weight:700; color:#008377CF; margin:32px 0 14px 0; padding-bottom:8px; border-bottom:2px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 8px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:0 0 10px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer;\"\u003eWhen do I need a Sub Base?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; color:#333; line-height:1.65; background:#fff;\"\u003eWhenever the system needs \u003cstrong\u003emore than the 7 modules\u003c\/strong\u003e that fit on the Main stack. Each additional stack of up to 7 modules stands on its own \u003cstrong\u003eBase SUB-1C\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:0 0 10px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer;\"\u003eHow many Sub Bases can one system use?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; color:#333; line-height:1.65; background:#fff;\"\u003eThe 1C-BST controller supports \u003cstrong\u003e4 to 21 modules\u003c\/strong\u003e per system. With a maximum of 7 modules per stack, a full system uses \u003cstrong\u003eone Main stack and two Sub stacks\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:0 0 10px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer;\"\u003eDoes the Sub stack need a controller?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; color:#333; line-height:1.65; background:#fff;\"\u003eNo. The \u003cstrong\u003eBC-BST controller\u003c\/strong\u003e mounts on the \u003cstrong\u003eMain stack only\u003c\/strong\u003e. The Sub stack uses the \u003cstrong\u003eSigenStack Cover\u003c\/strong\u003e, which is installed before the top battery module.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:0 0 10px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer;\"\u003eHow are Sub stacks connected?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; color:#333; line-height:1.65; background:#fff;\"\u003eCables supplied in the packing box link \u003cstrong\u003epower (B+\/B-), balancing and communication\u003c\/strong\u003e ports between Sub Bases and to the Main Base. On the last Sub Base the installation guide calls for the \u003cstrong\u003ebus to be short-connected\u003c\/strong\u003e and any \u003cstrong\u003eunused ports plugged\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin:0 0 10px 0; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer;\"\u003eCan I mix 0.5C and 1C bases?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; color:#333; line-height:1.65; background:#fff;\"\u003eSigenergy lists \u003cstrong\u003eseparate 0.5C and 1C components\u003c\/strong\u003e in its configuration scenarios, with the 1C scenarios using \u003cstrong\u003eBC M2-1C-BST, Base MAIN-1C and Base SUB-1C\u003c\/strong\u003e together. Keep every component in the same rate class.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sigenergy","offers":[{"title":"Default Title","offer_id":66076620521821,"sku":"SIG-11180007","price":879.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SigenergySigenStackSUBBaseUnit0.5C.png?v=1772102921","url":"https:\/\/qualityheating.co.uk\/products\/sigenergy-sigenstack-1c-sub-base-for-bat-12-0-11180007","provider":"AIZO Quality Heating","version":"1.0","type":"link"}