Product Long Description 

16kWh Residential Solar Battery Storage System

Sunjoy Energy SJ-HE-16K is a 51.2V 314Ah low voltage lithium battery designed for modern home energy storage systems. It integrates advanced lithium iron phosphate battery technology, intelligent battery management system, and flexible expansion capability to meet different residential solar storage requirements.

With a total energy capacity of 16kWh, this home ESS battery can store excess solar energy generated during the daytime and provide reliable power supply during nighttime, peak electricity periods, or grid outages.

Premium Grade-A LiFePO4 Battery Cells

The Sunjoy Energy 16kWh home battery uses 100% brand-new Grade-A LiFePO4 cells, ensuring excellent safety, stable performance, and long service life.

Key Advantages:

• Brand-new Grade-A lithium iron phosphate cells
• 51.2V 314Ah battery configuration
• More than 8000 cycle life (@80% DOD)
• Excellent thermal stability
• High safety performance
• Suitable for residential and commercial energy storage applications

Intelligent PACE Smart BMS Protection System

The battery is equipped with a professional PACE Battery Management System (BMS), providing intelligent monitoring and protection.

Smart BMS Functions:

✔ Active cell balancing technology
✔ Real-time voltage and temperature monitoring
✔ Overcharge protection
✔ Over-discharge protection
✔ Over-current protection
✔ Short-circuit protection
✔ Communication with solar inverters through CAN / RS485

The active balancing function helps maintain battery cell consistency, improving battery efficiency and extending overall system lifetime.

High Current Output Capability

Sunjoy Energy 16kWh battery supports high-power energy applications.

Electrical Performance:

• Maximum discharge current: 200A
• Continuous discharge current: 100A
• Nominal voltage: 51.2V
• Capacity: 314Ah
• Energy: 16kWh

It can easily support household loads including air conditioners, refrigerators, pumps, lighting systems, and other electrical appliances.

Wide Compatibility With Solar Inverters

The SJ-HE-16K battery supports communication with 99% of mainstream solar hybrid inverters.

Compatible inverter brands include:

• Deye
• Growatt
• GoodWe
• Solis
• Victron
• Voltronic
• SMA
• Other CAN/RS485 compatible inverter systems

This makes it easy for installers and distributors to integrate the battery into different solar energy storage projects.

Flexible Parallel Expansion

To meet different energy storage requirements, Sunjoy Energy 16kWh battery supports:

Up to 15 Units Parallel Connection

Multiple batteries can be connected together to expand storage capacity.

Example:

• 1 Unit → 16kWh
• 5 Units → 80kWh
• 10 Units → 160kWh
• 15 Units → 240kWh

Suitable for:

• Large residential houses
• Villas
• Small commercial buildings
• Backup power systems

Factory Direct Supply & OEM ODM Service

Sunjoy Energy is a professional lithium battery manufacturer providing direct factory supply worldwide.

We support:

✔ OEM battery appearance customization
✔ ODM product development
✔ Logo customization
✔ Packaging customization
✔ Battery system integration
✔ Bulk production for distributors and installers

Our factory provides flexible solutions for solar companies, EPC contractors, wholesalers, and energy storage distributors.

Warranty & Service

Standard warranty:

5-Year Warranty

Optional:

10-Year Extended Service Support

Sunjoy Energy provides professional technical support and after-sales service for global customers.

Technical Specifications Table