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China Suppliers Factory Rack Mount LiFePO4 Lithium Battery 48V 50Ah to 300Ah for Energy Storage Solutions
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China Suppliers Factory Rack Mount LiFePO4 Lithium Battery 48V 50Ah to 300Ah for Energy Storage Solutions

The ENSMAR Crius-series 48V edition is an exceptional choice for new household energy storage installations. Designed with high energy density and versatile mounting options, this stack rack battery ensures efficient use of space across various installation environments. Its modular design allows for tailored energy solutions, making it ideal for solar energy applications, data centers, and other industries. As a leading product from a prominent China factory, our battery systems cater to the needs of suppliers looking for reliable and innovative energy storage solutions
  • ENSMAR Crius 4850 LiFePO4 battery 2.56KWh 48V50Ah, rack mount
  • ENSMAR Crius 48100 LiFePO4 battery 5KWh 48V100Ah, rack mount
  • ENSMAR Crius 48150 LiFePO4 battery 7.68KWh 48V150Ah, rack mount
  • ENSMAR Crius 48200 LiFePO4 battery 10KWh 48V200Ah, rack mount
  • ENSMAR Crius 48280 LiFePO4 battery 14.336KWh 48V280Ah, rack mount
  • ENSMAR Crius 48300 LiFePO4 battery 15KWh 48V300Ah, rack mount

Product Introduction

1

Self-designed BMS, every battery module is equipped with a standalone one.

2

Top brand Grade A LiFePO4 battery cells, prismatic, top class safety.

3

Compatible with multi-brand storage inverters.

4

Powerful parallel capacity, up to 16 parallels.

5

Long cycle life energy storage battery (6000 times).

6

Han's Laser automated PACK production line, stable and reliable production quality.

7

Flexible installation, supporting rack-mounted, stackable, wall-mounted. Time and cost saving.

8

Certification of IEC62619, UN38.3, CEC approved etc.

Technical Description

MODEL Crius 4850 Crius 48100 Crius 48150 Crius 48200 Crius 48280 Crius 48300
Battery Type LiFePO4 (lithium iron phosphate battery)
Nominal Capacity 50Ah 100Ah 150Ah 200Ah 280Ah 300Ah
Nominal Voltage 51.2V
Total Energy 2560Wh 5120Wh 7680Wh 10240Wh 14336Wh 15360Wh
Charge Cut-off Voltage 57.6V
Discharge Cut-off Voltage 40V
Charge Current 50A max 100A max 150A max 200A max 150A max 150A max
Discharge Current 50A max 100A max 150A max 200A max 150A max 150A max
Communication Mode RS485, CAN
Ingress Protection IP20
Scalability max 16pcs in parallel
Lifespan (80% DOD) ≥6000 cycles, 25°C
Compatible Inverters Goodwe, Victron, SMA, Kosta, Fronius, Solis, Growatt, Sofar, Deye, Solar Ark, Outback, Voltronic, Pylontech optional, more brands will be announced
Working Environment -20°C - 60°C, < 95% RH
Storage Environment -20°C - 50°C, < 95% RH
Operating Altitude < 2000m
Design Life 15 years
Warranty Period 5 years, 10 years optional

How to connect a PV (photovoltaic) inverter and lithium batteries?

1 Check Compatibility

Ensure that the PV inverter is compatible with the lithium battery system. Some inverters are designed specifically to work with certain battery technologies, and both devices should support the same voltage range and communication protocol.

2 Install the PV Inverter

Mount the PV inverter near the main distribution board or breaker panel. Ensure it's properly installed in a location with good ventilation to avoid overheating. Wire the inverter to the solar panels according to the manufacturer's instructions. This usually involves connecting the positive and negative cables from the solar panels to the corresponding input terminals on the inverter.

3 Battery Connection

Lithium batteries typically have a Battery Management System (BMS) for protection. First, install the battery according to its manual. Then, connect the battery to the inverter’s battery input terminals. Ensure proper polarity: positive (red) to positive, and negative (black) to negative.

4 Inverter-Battery Communication

For optimal performance, many lithium battery systems communicate with the inverter using a communication protocol like CANbus or RS485. Connect the communication cable from the battery’s BMS to the inverter’s communication port to enable this data exchange. This allows the inverter to manage charging and discharging more efficiently.

5 System Commissioning

Once everything is connected, power on the system. Check all connections and ensure there are no error codes on the inverter display. Configure the system settings, ensuring the battery charge and discharge limits are set correctly.

6 Safety Measures

Always follow local regulations, use appropriate fuses or breakers, and consider having the system checked by a certified professional.

Example Steps for RS485 Communication

1 Connect RS485 Cable

Connect the RS485 communication port of the battery to the RS485 port of the inverter.

2 Set Parameters
● Battery: Set the RS485 baud rate, device address, and other parameters via the battery’s display or BMS software.
● Inverter: Enter the inverter’s settings menu and set the corresponding RS485 parameters to match the battery.
3 Test Connection

Verify the inverter is reading data from the battery.

Example Steps for CAN Bus Communication

1 Connect CAN Bus Cable

Connect the CAN Bus port of the battery to the CAN Bus port of the inverter.

2 Set Parameters
● Battery: Configure the CAN Bus settings via the BMS software or display.
● Inverter: Enter the inverter’s settings and set the corresponding CAN Bus parameters.
3 Test Connection

Ensure the inverter is receiving the correct data from the battery.

Additional Tips

Following these steps will help you establish efficient communication between your lithium battery and solar inverter, ensuring optimal energy management and system performance.

Frequently Asked Questions (FAQ)

1. What brands of solar inverters are compatible with these batteries?

These lithium batteries are compatible with a wide range of top storage inverter brands, including Goodwe, Victron, SMA, Kosta, Fronius, Solis, Growatt, Sofar, Deye, Solar Ark, Outback, Voltronic, and Pylontech.

2. How many battery modules can be connected in parallel?

The battery system features a powerful parallel capacity, allowing you to connect up to 16 battery modules in parallel to scale up your energy storage capacity.

3. What is the expected lifespan of these LiFePO4 batteries?

These batteries utilize top-brand Grade A LiFePO4 cells offering a long cycle life of 6000 cycles or more at 25°C (80% DOD). The overall design life of the system is 15 years.

4. Does each battery module have its own BMS?

Yes, every battery module is equipped with a self-designed, standalone Battery Management System (BMS) to ensure safety, balance cell performance, and protect against overcharging or discharging.

5. What mounting and installation options are supported?

The system offers highly flexible installation options to save time and cost. It supports rack-mounted, stackable, and wall-mounted configurations depending on your space requirements.

6. How do the battery and the inverter communicate?

They communicate using standard protocols such as CAN Bus or RS485. Connecting the communication cable from the battery's BMS to the inverter allows the system to exchange data and manage charging and discharging efficiently.