Product Features

• High Energy Capacity: Scalable system capacity from 43kWh to 215.04kWh.

• LiFePO₄ Battery Technology: Supports reliable energy storage with enhanced battery safety.

• Flexible Stacked Design: Modular configuration simplifies system expansion.

• High Usable Energy: Supports up to 95% depth of discharge.

• High Charge and Discharge Performance:Recommended current of 140A and maximum current of 200A.

• Smart Monitoring: Built-in Wi-Fi supports app monitoring and OTA updates.

• Multiple Communication Options: CAN and RS485 communication interfaces.

• Integrated Fire Protection: Equipped with an aerosol fire suppression system.

Specifications

Parameter	Specification
Model	STACK280
Battery Type	LiFePO₄ (LFP)
Module Voltage	51.2V
Module Capacity	280Ah
Nominal Energy per Module	14.336kWh
System Energy Range	43kWh–215.04kWh
Number of Modules per System	3–15
Operating Voltage	134.4V–864V
Recommended Charge/Discharge Current	140A (0.5C)
Maximum Charge/Discharge Current	200A (0.7C)
Peak Discharge Current	280A (1C, 2 minutes at 25°C)
Depth of Discharge (DoD)	95%
Cycle Life	≥8,000 cycles
Design Life	Up to 10 years, subject to test conditions
Communication	CAN / RS485
Monitoring	Built-in Wi-Fi, APP monitoring and OTA updates
Cooling Method	Forced-air cooling
Fire Protection	Aerosol fire suppression system
Installation	Stacked installation
Protection Rating	IP20
Single Module Weight	110kg
System Dimensions (W × D × H)	770 × 425 × (363 + 230 × n) mm
Charging Temperature	0°C to 55°C
Discharging Temperature	−20°C to 55°C
Certifications / Standards	UN38.3, CE-EMC, IEC 62619*
Compatible Inverters	Solis, Growatt, Sosen, Solinteg, ATESS, Magarevo and others

FAQ
Q1: What is the capacity range of the Dyness STACK280?

The STACK280 supports system energy capacities from 43kWh to 215.04kWh, depending on the system configuration.

Q2: What battery technology does STACK280 use?

It uses lithium iron phosphate (LiFePO₄ or LFP) battery technology.

Q3: Is the STACK280 suitable for commercial solar energy storage?

Yes. Its scalable capacity makes it suitable for commercial energy storage, solar self-consumption, and energy management applications.

Q4: Can the STACK280 be expanded?

Yes. Its modular stacked design supports different system capacities to meet changing energy storage requirements.

Q5: What is the depth of discharge of the STACK280?

The specified depth of discharge (DoD) is up to 95%.

Q6: How does the STACK280 communicate with other equipment?

It supports CAN and RS485 communication. It also features built-in Wi-Fi for app monitoring and OTA updates.