Sigenergy SigenStack BC M2-0.5C-BST

Sigenergy SKU: SIG-11140003

More Details
The Sigenergy SigenStack BC M2-0.5C-BST is a high-performance, modular battery controller designed for commercial and industrial systems. With stackable architecture, IP66 protection, and advanced safety features, it's ideal for scalable energy storage with rapid deployment and minimal maintenance.
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Sigenergy SigenStack BC M2-0.5C-BST

Battery controller for the Sigenergy SigenStack C&I energy storage system. This M2-0.5C-BST variant is used with the Sigen C&I Hybrid Inverter Series and supports stackable, floor-standing battery system configurations.

Key Features

Battery controller for SigenStack systems

CAN communication

Provides CAN-based communication with the inverter and system components.

550 to 1100 V operating range

Supports the stated system voltage window for the matched controller variant.

IP66 enclosure protection

Suitable for installations where dust and water ingress protection is required.

Stackable system integration

Used in floor-standing, stackable installations with up to 7 modules per stack.

Benefits
  • Supports compact stacked system layouts
  • Provides IP66-rated enclosure protection for installation environments with exposure to dust and moisture
  • Can be used in systems requiring CAN communication
  • Suitable for configurations where the BST controller variant is specified
Technical Summary

Sigenergy SigenStack BC M2-0.5C-BST battery controller for C&I energy storage systems. Rated operating voltage range 550 to 1100 V, max output current to inverter 180 A, max input current from inverter 180 A, nominal battery charge/discharge current 157 A, communication via CAN. Dimensions 770 x 248 x 363 mm, weight 60 kg. Floor-standing installation. IP66 protection rating. Operating temperature range -20 to 55 °C. Maximum operating altitude 4,000 m with derating at 2,000 m.

Installation Notes

Floor-standing, stackable installation. Base dimensions 770 x 195 x 363 mm. Maximum 7 modules per stack and 21 modules per system. For systems with battery modules up to 19, or in PV + ESS DC coupling projects, the battery controller should use the BST model.

Efficiency

System documentation references LiFePO4 battery modules with 10,000 cycle life, 0.5C nominal charge/discharge rate and 1C maximum charge/discharge rate. Battery module energy density is described as reducing footprint.

Communication

CAN

Manufacturer

Sigenergy

Commodity Code

8507908090

Dimensions (mm) (H x W x D)

248 x 770 x 363

Weight (kg)

60

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Installation Guide Sigenergy SigenStack Energy Storage System SIG 11140003

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Warranty Sigenergy C&I Products 2025

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Datasheet Sigenergy SigenStack BC M2 0.5C BST

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