Stackable 8kWh–40kWh High-Voltage Home Battery ESS 25.6V–400V DC-DC Solar Energy Storage System with WiFi, Bluetooth & Built-in Boost Module

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Modular High-Voltage Energy Storage for Home Solar Systems

The BetterESS 8kWh–40kWh Stackable High-Voltage Home Battery ESS is a modular energy storage solution designed for residential solar energy storage, backup power, and self-consumption applications.

With a stackable modular design and a wide DC voltage range from 25.6V to 400V, the system provides flexible capacity configuration while integrating a built-in DC-DC boost module for high-voltage energy storage applications.

With WiFi and Bluetooth connectivity, users can conveniently monitor battery status and system operating information.

Key Features

8kWh–40kWh Flexible Capacity

Choose the capacity according to your household energy requirements. The modular design allows the system to be configured from 8kWh up to 40kWh, making it suitable for different residential energy storage needs.

5-Layer Stackable Design

The battery modules feature a space-saving stackable structure. Up to 5 layers can be combined to achieve a higher-capacity energy storage system while keeping the installation organized and compact.

25.6V–400V High-Voltage Architecture

The system supports a wide DC voltage range from 25.6V to 400V, making it suitable for high-voltage energy storage system configurations and compatible system architectures.

Built-in DC-DC Boost Module

The integrated boost module helps convert the battery's lower DC voltage to the required high-voltage DC level, providing a practical solution for high-voltage solar energy storage applications.

WiFi & Bluetooth Monitoring

Built-in wireless communication allows convenient monitoring of battery and system information through compatible monitoring functions.

You can check important operating information such as battery status, voltage, current, and other available system data.

Modular & Scalable

The modular design makes it easier to configure the system according to actual energy requirements. It is suitable for both smaller residential applications and larger home energy storage projects.

Suitable Applications

The BetterESS High-Voltage Home Battery ESS can be used for:

• Residential solar energy storage
• Home backup power
• Solar self-consumption
• Off-grid energy storage
• Renewable energy storage
• Peak energy management
• Household emergency power
• High-voltage ESS projects

How It Works

Solar Panels → Solar Inverter / Energy Management System → Home Loads

Excess Solar Energy → BetterESS Battery → Energy Stored for Later Use

During periods of low solar production or higher household demand, the stored energy can be used to help supply household loads, depending on the inverter and system configuration.

Main Advantages

• 8kWh–40kWh configurable capacity
• 5-layer stackable modular design
• 25.6V–400V DC voltage range
• Built-in DC-DC boost module
• WiFi + Bluetooth communication
• Space-saving installation
• Modular and scalable configuration
• Suitable for residential solar energy storage
• Designed for backup and self-consumption applications

Installation & Compatibility

The battery should be installed and commissioned according to the applicable electrical regulations and the requirements of the selected inverter.

Before purchasing, please confirm the battery voltage range, communication protocol, inverter compatibility, and system configuration to ensure proper integration.

Professional installation is recommended for high-voltage energy storage systems.

Why Choose BetterESS?

BetterESS provides modular battery solutions for home energy storage, solar applications, and DIY energy systems. Our products are designed to provide flexible capacity options and practical energy storage solutions for different residential applications.

Store more solar energy. Use your energy more efficiently. Build a flexible home energy storage system with BetterESS.