Detailed Product Description

10kWh Wall Mounted Home Energy Storage Battery Solution

Sunjoy Energy SJ-HE-10K-W is a next-generation wall mounted LiFePO4 battery system developed for global residential solar storage markets.

Designed with 51.2V 200Ah lithium iron phosphate battery technology, this battery provides safe, stable, and long-life energy storage for solar PV systems, hybrid inverters, and off-grid backup applications.

The compact wall-mounted design saves installation space while providing powerful energy expansion capability. Multiple battery units can be connected in parallel to achieve larger storage capacity up to 150kWh, making it suitable for different residential and small commercial energy storage projects.

Key Features

1. Intelligent BMS Battery Management System

The built-in intelligent BMS provides comprehensive protection functions:

• Over-current protection
• Over-voltage protection
• Over-discharge protection
• High-temperature protection
• Cell voltage monitoring
• Active cell balancing technology

The active balancing function improves battery consistency, extends cycle life, and ensures long-term stable operation.

2. High Current Output Capability

SJ-HE-10K-W supports:

• Maximum continuous discharge current: 200A
• Operating voltage range: 40V-58.4V
• Standard charging current: 40A

The high current design allows stable operation with high-power hybrid inverters and demanding household loads.

3. Wide Compatibility with Global Inverter Brands

The Sunjoy intelligent BMS communication system supports communication through:

• RS485
• CAN communication

Compatible with major inverter brands:

• Deye
• Solis
• Growatt
• GoodWe
• Voltronic
• Victron
• Other mainstream hybrid inverter brands

For special inverter brands, Sunjoy technical engineers provide professional communication matching support before shipment, ensuring smooth system integration.

We help our partners achieve reliable inverter compatibility before installation.

4. Flexible Capacity Expansion

One battery system supports:

• Parallel connection: Up to 15 units
• Expandable capacity: Up to 150kWh

Suitable for:

• Residential solar storage
• Villa energy systems
• Backup power systems
• Off-grid solar projects
• Small commercial ESS applications

Technical Specifications

Certification & Warranty

Sunjoy Energy provides reliable quality control and international certification support.

Certificates available:

• CE
• RoHS
• UN38.3
• MSDS
• DG Declaration (available according to shipping requirements)

Warranty:

• Standard warranty: 5 years
• Extended warranty: Up to 10 years (optional)

Factory Direct Supply & OEM/ODM Service

Your Professional Lithium Battery Manufacturing Partner

Sunjoy Energy is a professional energy storage system manufacturer providing:

OEM & ODM Services:

• Customized battery appearance design
• Customized battery capacity
• Customized voltage solutions
• Customized communication protocols
• Customized branding and packaging

From product design, engineering development, manufacturing, and technical support, Sunjoy Energy works as your complete technology partner.

For Distributors & Wholesale Partners

Grow Your Solar Energy Storage Business with Sunjoy Energy

We welcome:

• Solar distributors
• Energy storage wholesalers
• System integrators
• EPC companies
• Regional agents

Instead of investing heavily in R&D and production, you can focus on market development while Sunjoy Energy supports you with:

✓ Professional battery manufacturing
✓ Engineering support
✓ Technical service
✓ OEM customization
✓ Stable factory supply chain

Sunjoy Energy — Your R&D Partner, Manufacturing Partner, and Energy Storage Solution Provider.