Tesla Powerwall 3 Expansion (TESLA-1807000-20-B)

The Tesla Powerwall 3 Expansion is designed to add storage capacity to an existing Powerwall 3 system with straightforward integration. Its wall-mount option helps installers achieve a compact layout, while indoor and outdoor rating supports flexible placement on site. For system owners, this means more usable energy storage and improved ability to manage self-consumption, backup readiness and growing household demand.

• Designed exclusively for Tesla Powerwall 3 systems
• Adds 13.5 kWh of nominal battery storage per unit
• Suitable for indoor and outdoor installation
• Wall-mount option supports a neat, space-saving setup
• Parallel-connected architecture helps maintain system integration
• Supports dependable expansion for growing energy demand

Tesla Expansion Harness 0.5m (TESLA-1875157-05-D)

The Tesla Expansion Harness 0.5m provides the connection needed to integrate Tesla components cleanly and securely. Its short length helps keep wiring organised and reduces excess cable within the enclosure, which is useful for installers working to deliver a tidy, professional result. For system owners, this supports a reliable connection between components and helps maintain long-term system performance.

• Purpose-built for Tesla energy storage components
• 0.5 metre length helps reduce cable clutter
• Supports secure and reliable system connections
• Helps installers complete faster, cleaner installations
• Designed to support stable performance in Tesla systems

Tesla PW3 Expansion - Wall Mounting Bracket (TESLA-1978069-00-C)

The Tesla PW3 Expansion - Wall Mounting Bracket gives installers a secure way to mount the expansion unit while saving floor space. It supports a stable, professional installation and helps create a cleaner system layout, which is especially valuable where space is limited. For the system owner, the result is a well-organised installation that is easier to accommodate in domestic or small commercial settings.

• Designed specifically for the Tesla Powerwall 3 Expansion
• Supports secure wall-mounted installation
• Helps maximise available floor space
• Contributes to a neat and professional system layout
• Built to support long-term installation durability

Installer Benefits

This bundle is designed to make Powerwall 3 expansion more straightforward on site. The matched components help reduce installation complexity, support tidy cable management and provide a secure wall-mounted finish. That can save time during fitting while helping installers deliver a professional result that looks as good as it performs.

System Owner Benefits

For the end user, the bundle offers a practical way to expand storage without replacing the existing Powerwall 3 setup. It supports greater energy capacity, a cleaner installation and dependable Tesla-compatible operation. That helps improve the system’s ability to store surplus energy, support household demand and contribute to a more efficient energy strategy.

Flexible Space-Saving Design

The wall-mounted format is ideal where floor space is limited or a neater installation is preferred. By combining the expansion unit, harness and mounting bracket, the bundle supports a compact layout that suits a wide range of UK and EU project environments.

Why Choose This Bundle?

Choose the Tesla Powerwall 3 Expansion 1x Battery Only Kit - Wall Mounted when you need a complete, compatible solution for expanding a Tesla Powerwall 3 system. Every included product supports a smoother installation process and a more organised final setup. It is a practical choice for installers who want trusted Tesla compatibility, a wall-mounted finish and a clear path to adding storage capacity for their customers.