GREATSUNPV GLR-280 51.2V 280Ah Low Voltage Rack Mounted LiFePO4 Battery

The GREATSUNPV GLR-280 is a high-performance 51.2V 280Ah low voltage rack mounted lithium battery designed for modern residential solar energy storage and backup power applications.

 

With 14.34kWh usable energy capacity, advanced LiFePO4 battery technology, and an intelligent Battery Management System (BMS), the GLR-280 provides a safe, reliable, and scalable energy storage solution for homeowners, installers, and renewable energy projects.

 

 

Designed with a standard rack installation structure, the battery offers flexible configuration, easy maintenance, and compatibility with leading hybrid inverter brands, making it an ideal choice for solar PV systems, off-grid applications, and energy independence solutions.

Key Features

Safe & Reliable LiFePO4 Battery Technology

The GLR-280 uses premium Lithium Iron Phosphate (LiFePO4) cells, offering excellent thermal stability, higher safety performance, and longer service life compared with traditional lead-acid batteries.

• LiFePO4 chemistry with high safety performance
• More than 6000 cycles at 90% DoD
• Designed life up to 15 years
• Stable performance under frequent charge and discharge conditions

High Capacity 14.34kWh Energy Storage

With a rated voltage of 51.2V and capacity of 280Ah, one GLR-280 battery module provides:

• Nominal Energy: 14.34kWh
• Rated Voltage: 51.2V
• Capacity: 280Ah
• Recommended Charge/Discharge Current: 140A

The battery can store excess solar energy during the daytime and provide reliable power supply during nighttime, peak electricity periods, or grid outages.

Intelligent BMS Protection System

The integrated smart BMS continuously monitors battery status and improves system reliability.

Protection functions include:

• Over-charge protection
• Over-discharge protection
• Over-current protection
• Short-circuit protection
• Temperature monitoring
• Cell balancing management

Communication interfaces include:

• CAN
• RS485
• RS232

This allows seamless communication between the battery, inverter, and energy management system.

Flexible Rack Installation & Capacity Expansion

The GLR-280 adopts a rack-mounted design for convenient installation in residential and small commercial energy storage systems.

Multiple battery modules can be connected in parallel to expand storage capacity according to different energy requirements.

Example configurations:

• 2 batteries → approximately 28.67kWh
• 4 batteries → approximately 57.34kWh
• 16 batteries → up to approximately 229.37kWh

This scalable architecture enables customers to expand their energy storage system as electricity demand grows.

Wide Compatibility with Hybrid Inverters

GREATSUNPV GLR-280 supports communication with mainstream inverter brands, including:

• Growatt
• Solis
• GoodWe
• SolarEdge
• SRNE
• Deye

The battery is suitable for complete solar storage solutions combining:

Solar Panels + Hybrid Inverter + LiFePO4 Battery + Energy Management System

Technical Specifications

Typical Applications

Residential Solar Energy Storage

 

The GLR-280 helps households maximize solar self-consumption by storing unused solar power and supplying electricity when solar generation is unavailable.

Suitable for:

 

✅ Home solar battery systems

 

✅ Rooftop PV storage

 

✅ Energy independence solutions

 

✅ Backup power systems

Off-Grid Solar Systems

 

For remote areas without stable grid access, the GLR-280 provides dependable energy storage combined with solar panels and hybrid inverters.

Applications include:

 

✅ Remote houses

 

✅ Farms

 

✅ Small communities

 

✅ Telecom backup systems

Small Commercial Energy Storage

 

The scalable rack battery design allows multiple units to be combined for higher capacity applications.

Suitable for:

 

✅ Small commercial buildings

 

✅ Offices

 

✅ Shops

 

✅ Microgrid systems

Why Choose GREATSUNPV GLR-280?

✅ 14.34kWh high-capacity energy storage module
✅ 51.2V low voltage design for safer installation
✅ Long-life LiFePO4 battery chemistry
✅ Intelligent BMS with multiple protections
✅ Rack-mounted structure for easy installation
✅ Expandable parallel connection design
✅ Compatible with popular hybrid inverter brands
✅ Designed for residential and commercial solar storage applications

FAQ:

What is the GREATSUNPV GLR-280 battery?

The GREATSUNPV GLR-280 is a 51.2V 280Ah LiFePO4 rack-mounted battery with 14.34kWh energy capacity, designed for residential solar energy storage and backup power systems.

How long does the GLR-280 LiFePO4 battery last?

The GLR-280 provides more than 6000 charge and discharge cycles at 90% depth of discharge, offering long-term reliable operation for solar storage applications.

Is the GLR-280 compatible with hybrid solar inverters?

Yes. The GLR-280 supports CAN/RS485 communication and is compatible with major hybrid inverter brands such as Growatt, Solis, GoodWe, SRNE, and Deye.

Can multiple GLR-280 batteries be connected together?

Yes. Multiple GLR-280 battery modules can be connected in parallel to increase total storage capacity for larger residential or commercial solar systems.

For more information on this product or to place an order, please contact us：

Email: info@greatsunpv.com

whatsapp: +86 189 1960 5188

Web: www.guruidepv.com