KF Solar 51 2V 400Ah Inverter Battery Lithium Ion Backup Power Solar Energy Storage Off Grid Deep Cycle Smart BMS System

KF Solar 51.2V 400Ah LiFePO4 Home Energy Storage Battery

Product Overview

The KF Solar 51.2V 400Ah LiFePO4 Battery is a high-capacity residential and commercial energy storage solution designed for solar energy systems, off-grid applications, and hybrid grid installations. Equipped with an intelligent BMS and advanced LiFePO4 technology, it delivers exceptional safety, long cycle life, and reliable backup power performance.

Key Features

  • High-capacity 20.48kWh LiFePO4 battery system
  • 51.2V nominal voltage, 400Ah capacity
  • Intelligent integrated Battery Management System (BMS)
  • Long service life with up to 6,000 charge/discharge cycles
  • Compatible with off-grid and hybrid solar systems
  • CAN and RS485 communication interfaces
  • Rack-mounted design for easy installation
  • High safety and thermal stability
  • Suitable for residential and commercial energy storage

Technical Specifications

Parameter Specification
Brand KF Solar
Model Number KF-051280A-B-GBP2
Battery Chemistry LiFePO4
Battery Capacity 20.48kWh
Nominal Voltage 51.2V
Nominal Capacity 400Ah
Cycle Life 6,000 Cycles
System Type Rack-mounted
Output Power Range 5–10kW
Grid Connection Off-grid / Hybrid Grid
Communication Port CAN, RS485
Operating Temperature -20°C to 55°C
Weight 145kg
Dimensions (L×W×H) 56 × 19.8 × 153.6 cm
BMS Intelligent Integrated Battery Management System
Chargeable Yes

Applications

  • Residential Solar Energy Storage
  • Home Backup Power Systems
  • Hybrid Solar Installations
  • Off-Grid Power Systems
  • Commercial Energy Storage Projects
  • Renewable Energy Solutions

Advantages

  • Enhanced safety with LiFePO4 technology
  • Excellent cycle performance and long lifespan
  • Intelligent battery monitoring and protection
  • High energy density for efficient storage
  • Reliable power supply during grid outages
  • Scalable for various energy storage requirements

Energy Capacity: 20.48kWh
Nominal Voltage: 51.2V
Battery Capacity: 400Ah
Cycle Life: Up to 6,000 Cycles
Application: Home Energy Storage & Solar Power Systems

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