Sigenergy SigenStack Base 4S-0.5C

Sigenergy SKU: SIG-11180004

More Details

The Sigenergy SigenStack Base 4S-0.5C provides a robust, secure foundation for stacking batteries in commercial and industrial environments. With its IP66-rated protection and modular design, it simplifies installation and supports scalable energy storage solutions tailored to your specific needs.

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Sigenergy SigenStack Base 4S-0.5C

The Sigenergy SigenStack Base 4S-0.5C is a floor-standing battery controller/base unit for the SigenStack C&I energy storage system. It forms part of a modular, stackable storage arrangement and connects with the Sigen C&I Hybrid Inverter Series.

Key Features
Modular stackable design

Supports a stackable system layout with a configuration range of 4 to 21 pcs.

IP66 enclosure protection

Suitable for installations exposed to dust and water ingress, subject to site conditions and correct installation.

Pack-level safety protection

Includes pack-level safety protection with precise thermal runaway control.

Smart air cooling

Uses smart air cooling to support thermal management during operation.

Integrated fire suppression

Specified with aerosol, smoke sensor and exhausting system fire suppression.

Benefits
  • Supports modular system build-out across multiple stack configurations
  • IP66 protection supports outdoor or harsh-site installation environments
  • Higher energy density may help reduce site footprint
  • 0.5C nominal charge/discharge rate supports controlled energy transfer
Technical Summary

Sigenergy SigenStack Base 4S-0.5C battery controller/base unit for C&I energy storage. Compatible with Sigen C&I Hybrid Inverter Series. Operating voltage range 550 to 1100 V. Max output current to inverter 180 A and max input current from inverter 180 A. Nominal battery charge/discharge current 157 A. System configuration range 4 to 21 pcs, with up to 7 modules per stack and 21 modules per system. IP66 protection, smart air cooling, CAN communication, and operating temperature range -20 to 55 °C. Relative humidity range 0% to 100%. Base dimensions 770 x 195 x 363 mm.

Installation Notes

Floor-standing installation. Base dimensions: 770 x 195 x 363 mm. For systems with 19 modules or fewer, or in PV + ESS (DC coupling) projects, the battery controller should use the BST model.

Efficiency

Nominal charge/discharge rate is 0.5C, with a maximum charge/discharge rate of 1C. The product is described with higher energy density.

Manufacturer

Sigenergy

Commodity Code

8507908090

Dimensions (mm) (H x W x D)

768 x 362.5 x 195

Weight (kg)

82,7

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Sigenergy SigenStack Energy Storage System Installation Guide Current

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Warranty Sigenergy C&I Products 2025

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