5kWh Wall Mounted LiFePO4 Home Energy Storage Battery

Overview

Sunjoy Energy SJ-HE-5K-48W is a high-performance 5kWh wall mounted lithium battery designed for residential solar energy storage systems, backup power applications and off-grid solutions.

With a compact thickness of only 150mm, this battery provides a space-saving installation solution while delivering reliable energy storage performance for homes, villas, apartments and small commercial applications.

Equipped with EVE 100Ah A-grade LiFePO4 battery cells and an intelligent BMS management system, the battery achieves excellent safety, longer cycle life and stable performance.

Key Features

🔋 5.12kWh High Capacity Energy Storage

• Nominal Voltage: 51.2V
• Capacity: 100Ah
• Energy: 5.12kWh
• Battery Type: LiFePO4 Lithium Iron Phosphate
• Cycle Life: 8000+ cycles
• Design Life: 15 Years

🧠 Intelligent BMS with Active Balancing

The built-in intelligent Battery Management System provides:

• Active cell voltage balancing
• Over charge protection
• Over discharge protection
• Over current protection
• Short circuit protection
• Temperature monitoring

Active balancing technology helps maintain battery consistency and extends the overall service life.

🔌 Wide Inverter Compatibility

SJ-HE-5K-48W battery supports communication with major hybrid inverter brands:

Compatible with

Deye Solis Growatt GoodWe Voltronic.......And other mainstream inverter brands

For special inverter communication requirements, Sunjoy Energy engineering team provides technical matching support before shipment.

🏠 Compact Wall Mounted Design

Designed for modern residential applications:

• Thickness: 150mm
• Width: 405mm
• Height: 535mm
• Weight: 33kg

The slim design saves installation space and allows easy wall mounting.

💧 Waterproof & Safe Design

Standard protection:

IP54

Optional:

IP65 waterproof version available

Suitable for:

• Indoor installation
• Balcony installation
• Garage installation
• Residential solar systems

🏭 Factory Direct Supply

Sunjoy Energy provides:

✅ Direct factory pricing
✅ OEM customization
✅ ODM service
✅ Logo customization
✅ Communication protocol customization
✅ Technical support

Warranty:

• Standard warranty: 5 years
• Extended warranty: Up to 10 years available

Technical Specifications