✦ Verified product
Sigenergy SigenStack SUB Base Unit 0.5C | Stack Expansion C&I Battery
GBP 650.00
AIZO Quality Heating
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When a project requires more than five SigenStack battery modules, one or more SUB base units are added alongside the MAIN — each accepting up to five further modules. Like the MAIN base, the SUB unit shares identical compact dimensions (770 × 363 × 195 mm), IP66 protection, built-in aerosol fire suppression, and smart air cooling compatibility. All connections are plug-and-play, maintaining the SigenStack system's fast commissioning workflow. The SUB base does not replace the MAIN; one MAIN base unit is always required as the primary stack foundation. Expansion base — adds capacity beyond the 5-module limit of a single MAIN base unit Each SUB supports up to 5 additional SigenStack 0.5C battery modules Identical form factor to MAIN base — same dimensions, same installation workflow IP66 rated — fully sealed against dust and water Built-in aerosol fire suppression — pack-level safety consistent across the stack Smart air cooling compatible — maintains thermal management across expanded stacks Tool-free plug-and-play connections — fast addition to existing or new SigenStack systems Compact footprint (770 × 363 × 195 mm) — minimal additional floor space per 5-module expansion ℹ️ SUB base sizing: One SUB base is needed for every additional group of up to 5 battery modules beyond the MAIN base's 5-module capacity. For example, a 10-module system = 1 MAIN + 1 SUB; a 15-module system = 1 MAIN + 2 SUB. The MAIN base unit (SIG-STACK-BASE-MAIN-0.5C) is always required and is not replaced by SUB units. Product Details & Specifications SKU SIG-STACK-BASE-SUB-0.5C Manufacturer MPN SigenStack Base SUB-0.5C Role in System Expansion base — used alongside MAIN base for >5 modules Max Battery Modules Up to 5 × SigenStack BAT 0.5C modules per SUB base Dimensions 770 × 363 × 195 mm (W × D × H) Protection Rating IP66 Fire Suppression Built-in aerosol system Cooling Smart air cooling compatible Assembly Tool-free, plug-and-play Application Commercial & industrial (C&I) energy storage expansion
