SUNGROW | ESS SBR 3.2kWh Battery module SMR032 V114 LiFePo4 HV

The SUNGROW SBR 3.2kWh Battery Module (SMR032 V114) is a high-performance, high-voltage lithium iron phosphate (LiFePO₄) battery module designed for use in SUNGROW’s SBR (Smart Battery Reserve) energy storage systems. With a nominal capacity of 3.2kWh, the SMR032 modules can be flexibly stacked from 3 to 8 units per system (9.6 kWh to 25.6 kWh), enabling scalable energy storage tailored to residential and light commercial needs.

Thanks to its modular design, compact footprint, and plug-and-play installation, the SBR system ensures efficient integration with SUNGROW hybrid inverters, offering reliable backup power, self-consumption optimization, and peak shaving functionalities. Built using advanced LiFePO₄ chemistry, the battery delivers excellent safety, long cycle life, and high operational reliability.

Specifications:

Model: SMR032 V114

Energy Capacity (per module): 3.2 kWh

Battery Type: Lithium Iron Phosphate (LiFePO₄)

Nominal Voltage: ~102.4 VDC

Voltage Range (per module): ~88 – 116.8 VDC

Max Charge/Discharge Current: 25 A (per module)

Communication Interface: CAN (used for internal battery stack management and external inverter connection)

Scalability:

3 to 8 modules per stack (9.6 to 25.6 kWh)

Up to 4 stacks in parallel (up to 102.4 kWh total capacity)

Cycle Life: ≥6,000 cycles @ 90% DoD, 25°C

Design Life: >15 years

Mounting: Floor-standing on SBR Base + Switchgear

Safety Features:

Cell-level monitoring and balancing

Over/under voltage, overcurrent, temperature protection

Passive/active thermal management

Certifications:

CE, UN38.3, IEC 62619, IEC 62040, VDE 2510-50

Operating Temperature Range: -10°C to +50°C (recommended 15–30°C)

Storage Temperature: -20°C to +60°C

Enclosure Protection Rating: IP55 (with complete stack)

Dimensions (W × D × H): Approx. 625 × 330 × 133 mm (per module)

Weight: Approx. 33 kg (per module)