List of products by brand BYD

BYD's Expertise in Rechargeable Battery Manufacturing

For more than 20 years, BYD has been developing and manufacturing rechargeable batteries for a wide range of applications, including energy storage systems for photovoltaic and other renewable energy installations.

Over the years, the company has expanded its operations into Information Technology, road and rail transportation, and renewable energy, employing more than 220,000 people across 30 manufacturing facilities worldwide. BYD reports having supplied over 335 MWh of energy storage products to customers around the globe, with extensive expertise in LiFePO₄ battery technology for residential and commercial energy storage applications.

Battery-Box Premium Range: Modular Storage from 2.56 to 12.8 kWh

The Battery-Box Premium range has been developed by building upon existing modular technology while incorporating feedback from installers and customers worldwide.

Its modular architecture allows the storage capacity to be configured according to the specific energy requirements of each installation.

The main product families include:

• Battery-Box Premium HVS – High-voltage system (102.4 V), expandable from 2.56 to 12.8 kWh using 2 to 5 battery modules.
• Battery-Box Premium HVM – High-voltage system (51.2 V), expandable from 2.76 to 11.04 kWh using 3 to 8 battery modules.
• Battery-Box Premium LVS – Low-voltage system with 4 kWh per module, expandable from 1 to 6 modules.

All Battery-Box Premium systems use LiFePO₄ (Lithium Iron Phosphate) battery technology, making them suitable for both on-grid and off-grid photovoltaic systems.

Advanced LiFePO₄ Technology for Reliable Energy Storage

The latest generation of BYD Battery-Box systems benefits from the company's extensive experience gained through thousands of installations worldwide.

Their key advantage lies in the combination of:

• Modular architecture
• Proven LiFePO₄ battery chemistry
• Future capacity expansion

This approach enables flexible energy storage solutions that can easily adapt as energy consumption grows, improving self-consumption and increasing energy independence.

Applications of BYD Energy Storage Systems

BYD battery storage systems are designed to maximise the performance of solar photovoltaic installations in a variety of applications.

In an on-grid system, solar energy is first consumed by household appliances, while excess electricity is stored in the batteries for evening or nighttime use. Surplus energy may also be exported to the utility grid, depending on local regulations and electricity supply agreements.

A hybrid inverter automatically manages battery charging and discharging, imports electricity from the grid when necessary, and—where supported—provides backup power during grid outages.

Smart Energy Management and System Monitoring

The inverter and smart energy meter continuously monitor:

• Solar energy production
• Household electricity consumption
• Battery state of charge
• Grid import and export

This intelligent energy management maximises self-consumption while reducing electricity drawn from the grid.

Compatible Battery Ready systems also allow battery storage to be added later with minimal modifications to the existing photovoltaic installation.

The Huawei FusionSolar monitoring platform provides remote system supervision through a dedicated mobile application and web interface.

Meanwhile, the integrated Battery Management System (BMS) continuously monitors battery cells, voltage, temperature, and safety parameters to ensure reliable operation, enhanced protection, and long battery life.

Safety and Protection

BYD energy storage systems incorporate multiple electrical and thermal protection features.

Where supported by the system architecture, AFCI (Arc Fault Circuit Interruption) technology detects DC arc faults and disconnects the circuit rapidly to improve system safety.

Many compatible components also feature an IP66 protection rating, providing excellent resistance against dust and powerful water jets for outdoor installations.

Mechanical specifications, cooling methods, and acoustic performance vary depending on the specific battery model and installation configuration and should always be verified in the product documentation.

Battery Cycle Life and Long-Term Performance

BYD batteries are designed for long service life, offering approximately:

• 1,500 cycles at 100% depth of discharge (DoD)
• 3,200 cycles at 50% DoD
• 5,000 cycles at 20% DoD

Actual battery life depends on the depth of discharge and real operating conditions.

The modular dual-enclosure design simplifies installation and system expansion while reducing electrical losses, minimising critical connections, and lowering long-term maintenance requirements.

Complete On-Grid Solar Kits with Battery Storage

TopSolar supplies complete solar energy kits combining photovoltaic panels, battery storage systems, and compatible hybrid inverters.

A typical 6 kW residential solar kit includes:

• 14 monocrystalline solar panels
• Huawei SUN2000-6K-LB0 hybrid inverter
• Huawei LUNA2000 7 kWh battery storage system

The inverter's Battery Ready architecture stores excess solar energy generated during the day for use during the evening or periods of reduced solar production.

The battery supports up to 3.5 kW charge and discharge power, features intelligent temperature management, an IP66 protection rating, and remote monitoring via the FusionSolar platform.

For higher household energy demands, an 8.1 kW solar kit equipped with a 14 kWh Huawei LUNA2000 battery provides increased storage capacity, allowing greater self-consumption and reduced reliance on the utility grid.

When selecting a battery system, it is important to match storage capacity with evening energy consumption, critical loads, and backup power requirements.

Flooded Lead-Acid Batteries for Off-Grid Solar Systems

For independent off-grid applications, TopSolar also offers flooded lead-acid battery banks as an alternative to lithium storage systems.

One example is the Rolls 12CS11P battery bank, rated at 48 V and 24.14 kWh, consisting of four 12 V 503 Ah Series 5000 batteries.

Key technical features include:

• Up to 5,000 cycles at 20% depth of discharge
• Modular configuration
• Designed specifically for off-grid photovoltaic systems

Flooded lead-acid batteries require adequate installation space, ventilation, and periodic maintenance but remain a reliable solution for standalone energy systems.

Why Choose BYD Battery Storage Systems?

BYD energy storage systems offer a proven solution for modern photovoltaic installations.

With more than 20 years of battery manufacturing experience, over 335 MWh of energy storage products supplied worldwide, and advanced LiFePO₄ technology, BYD has established itself as a leading manufacturer of modular battery storage solutions.

The Battery-Box Premium series, available in both low-voltage and high-voltage configurations, allows storage capacity to be tailored to the specific requirements of each installation.

When combined with compatible hybrid inverters, remote monitoring, and intelligent energy management, BYD batteries help maximise self-consumption, reduce electricity costs, and provide reliable backup power during grid outages.

TopSolar supplies complete energy storage solutions together with professional technical support, helping customers select the most suitable battery capacity, voltage, and inverter compatibility to create an efficient, fully integrated solar energy system.