SUNDTA SDT-280 Commercial High Voltage LiFePO4 Energy Storage System 40-100kWh Air-Cooled Battery Cabinet for Hybrid/Off/On-Grid

Product Description

SDT-280 Series Energy Storage System
Product Introduction
SDT-280 Series

SDT-280 is a high-voltage lithium-ion battery system. It provides a reliable backup power supply for supermarkets, banks, schools, farms, and small factories to smooth the load curve and achieve peak load transfer. It can also improve the stability of renewable systems and promote the application of renewable energy.

It is characterized by high integration, good reliability, long service life, wide working temperature range, etc. The battery energy storage system is modular. Each battery module has a capacity of 14.33kWh. It can support up to 15 battery modules in series. Its total energy can be expanded from 43kWh to 215kWh.

High Safety LiFePO4 Battery
Multi-level Protection
High Energy Density
RS485 & CAN Communication
Intelligent Built-in BMS
10 Years Warranty
Battery Module
Battery Module

SUNDTA LiFePO4 battery module is a testament to our commitment to providing high-quality, reliable, and sustainable energy storage solutions. With its intelligent design, flexible configuration options, and wide operating temperature range, this module is suitable for a variety of applications. Trust to power your energy storage needs with our cutting-edge technology and unwavering dedication to excellence.

  • Cell Chemistry: LiFePO4
  • Single Module Capacity: 14.33kWh
  • Module Nominal Voltage: 51.2 V
  • Module Capacity: 280 Ah
  • Module Dimensions: 483 x 800 x 234 mm
  • Module Weight: Approximately 119 kg
High Voltage Control Box
High Voltage Control Box

The high voltage control box is a high voltage power loop management unit specially designed for the energy storage system. It is an intermediate unit connecting the battery cluster and the energy storage converter. The high voltage control box has battery cluster voltage, battery cluster current collection, and battery cluster loop Contactor control and protection functions. Circuit breakers, contactors, fuses, circulation control circuits, current sensors, battery cluster control management modules (BCM), switching power supplies, etc. are installed in the high voltage control box. It can also be installed separately according to design needs.

  • System Operation Voltage: 0 ~ 1000V
  • Operation Current: 250A
  • Protection Grade: IP20
  • Communication: MODBUS RTU / CAN
Product Parameters
Technical Data (PART 1)
Specifications 43kWh 57kWh 71kWh 86kWh 100kWh 114kWh
Installation Rackable
Battery Type LiFePO4
Module Energy 14.33kWh
Module Nominal Voltage 51.2V
Module Capacity 280Ah
System Model SDT43K-280 SDT57K-280 SDT71K-280 SDT86K-280 SDT100K-280 SDT114K-280
Battery Module Qty in Series 3 4 5 6 7 8
System Nominal Voltage 153.6V 204.8V 256V 307.2V 358.4V 409.6V
System Nominal Capacity 280Ah 280Ah 280Ah 280Ah 280Ah 280Ah
Dimension (mm) 547*799*1199 547*799*1463 547*799*1727 1054*799*1199 1054*799*1199 1054*799*1463
Weight 462.2kg 591.2kg 720.2kg 880.2kg 998.2kg 1143.2kg
Charge / Discharge Current 140A
Ingress Protection IP20
Communication CAN
Altitude < 2000M
Cycle Life 25±2°C, 0.5C/0.5C, EOL70% ≥ 6000
Storage Temperature 0 ~ 35℃
Working Temperature Charge: 0 ~ 45℃ | Discharge: -10 ~ 55℃
Technical Data (PART 2)
Specifications 129kWh 143kWh 157kWh 172kWh 186kWh 200kWh
Installation Rackable
Battery Type LiFePO4
Module Energy 14.33kWh
Module Nominal Voltage 51.2V
Module Capacity 280Ah
System Model SDT129K-280 SDT143K-280 SDT157K-280 SDT172K-280 SDT186K-280 SDT200K-280
Battery Module Qty in Series 9 10 11 12 13 14
System Nominal Voltage 460.8V 512.0V 563.2V 614.4V 665.6V 716.8V
System Nominal Capacity 280Ah 280Ah 280Ah 280Ah 280Ah 280Ah
Dimension (mm) 1054*799*1463 1054*799*1463 1054*799*1727 1054*799*1991 1054*799*1991 1054*799*2255
Weight 1261.2kg 1406.2kg 1524.2kg 1669.2kg 1787.2kg 1932.2kg
Charge / Discharge Current 140A
Ingress Protection IP20
Communication CAN
Altitude < 2000M
Cycle Life 25±2°C, 0.5C/0.5C, EOL70% ≥ 6000
Storage Temperature 0 ~ 35℃
Working Temperature Charge: 0 ~ 45℃ | Discharge: -10 ~ 55℃
Details Images
Certifications
Why Choose Us
Why Choose Us

Hot Selling Products

We are committed to providing customers with quality products. Our goal is to meet the needs of our customers and provide high-quality, reliable products to ensure customer satisfaction and trust.

Selected Raw Material

We work with quality suppliers to ensure the quality and reliability of raw materials. We only select strictly screened suppliers to ensure the quality of our products.

Strong Technical Team

We have a professional R&D team dedicated to product innovation and technological improvement. They continuously study market needs, maintain close communication with customers, and continuously improve and optimize products based on customer feedback.

Quality Control System

In addition, we pay attention to quality management. We have established a strict quality control system to monitor and test every production link to ensure that our products meet international standards and customer requirements.

7/24 Online Support

We attach importance to after-sales service. We provide timely and professional after-sales support to solve problems and confusions in product use for customers. We are always ready to answer customer inquiries and provide technical guidance and training support.

Successful Global Projects

Service countries and regions have exceeded 100 since establishment.

Frequently Asked Questions (FAQ)
Q1 What is the capacity range and scalability of the SDT-280 battery system?
The SDT-280 energy storage system is modular. Each battery module provides a nominal capacity of 14.33kWh (51.2V 280Ah). The system supports up to 15 battery modules in series, allowing flexible energy expansion from 43kWh up to 215kWh.
Q2 What battery chemistry does the SDT-280 use?
The SDT-280 series uses high-safety Lithium Iron Phosphate (LiFePO4) chemistry, which ensures high thermal stability, enhanced safety, superior energy density, and extended cycle life.
Q3 What functions does the High Voltage Control Box provide?
The High Voltage Control Box acts as an intermediate power loop management unit between battery clusters and the energy storage converter. It handles battery cluster voltage and current collection, loop contactor control, and circuit protection through built-in circuit breakers, fuses, current sensors, and battery cluster management modules (BCM).
Q4 What communication protocols and interfaces are supported?
The SDT-280 battery system and High Voltage Control Box support both standard CAN and RS485 (MODBUS RTU) communication protocols, facilitating seamless connection and remote monitoring with storage converters and energy management systems.
Q5 What is the cycle life and operating temperature of the system?
The battery achieves ≥6,000 cycles at 25±2°C (0.5C/0.5C, EOL 70%). It operates in charge temperatures from 0℃ to 45℃ and discharge temperatures from -10℃ to 55℃, backed by a 10-year warranty.
Q6 Which application scenarios are suitable for the SDT-280 series?
The SDT-280 is designed for commercial and industrial scenarios including supermarkets, banks, schools, farms, and small factories. It effectively supports peak load shifting, load curve smoothing, renewable energy stabilization, and reliable emergency backup power.

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