Tesla Powerwall 3 Storage Battery

The Tesla Powerwall 3 is the next-generation home and business battery storage solution, designed to deliver higher power output, faster response, and true energy independence. It integrates seamlessly with solar panels or can store grid energy, giving you control over when and how you use electricity. Redhill Services offers full supply and professional installation across the UK, helping homeowners and businesses cut costs and protect against outages.

What is Tesla Powerwall 3?

The Tesla Powerwall 3 is an advanced, fully integrated energy storage system with a usable capacity of 13.5 kWh. It features powerful backup capabilities, high load start support (up to 185 A LRA), and improved solar integration with built-in maximum power point trackers (MPPT). You can store excess solar power during the day and use it in the evening, or capture cheaper off-peak grid electricity for use during high-rate periods. This flexibility means lower energy bills, reduced grid dependence, and backup power when you need it most.

How it works

Powerwall 3 intelligently manages your energy flows. When your solar panels produce more power than you need, it stores the extra instead of exporting it for minimal credit. Later, it releases stored energy to power your home or business, run large appliances, and charge electric vehicles. In grid-only setups, it can store cheaper overnight electricity to use during peak times, helping you avoid expensive tariffs and improve savings. During an outage, it automatically takes over to keep your essential systems running seamlessly.

Key uses for homes and businesses

For homes

• Whole-home backup: Maintain full power during outages — lighting, heating, refrigeration, internet, and more.
• Reduced bills: Use stored solar or off-peak energy to avoid high daytime rates.
• EV charging support: Charge your electric vehicle using clean, stored energy, even during outages.
• Compact and quiet: Space-saving design with low noise, suitable for indoor or outdoor mounting.

For businesses

• Keep operating: Avoid costly downtime by keeping essential systems and equipment running during outages.
• Control energy costs: Use stored power to reduce reliance on peak tariffs and lower operational expenses.
• Meet sustainability targets: Improve green credentials by increasing solar self-consumption and reducing grid reliance.
• Flexible and scalable: Combine up to 4 Powerwall 3 units and 3 expansion units to support higher loads and larger operations.

Why choose Redhill Services for your Tesla Powerwall 3

Redhill Services offers a full, turnkey solution for Tesla Powerwall 3 installations across the UK. We start with a detailed site survey to assess your energy needs, solar generation potential, and long-term goals. Our experienced engineers handle every stage, from system design and electrical work to final setup and safety checks, ensuring your system runs reliably and meets all UK standards.

We tailor the system configuration to your priorities — whether maximising self-consumption, backup capacity, or energy cost savings. With features like Storm Watch and time-based control, Powerwall 3 can prepare for severe weather or optimise energy use based on electricity pricing, all managed through the Tesla app. Our local expertise and dedicated support help you get the best performance and long-term value from your investment.

Advanced features for maximum flexibility

• Integrated solar inverter: Connect directly to your PV system for high-efficiency energy capture and storage.
• High load start capability: Supports large appliances and startup surges up to 185 A LRA.
• Time-based control: Automatically uses stored energy during peak pricing, increasing savings.
• Scalable system: Expand up to 4 Powerwall 3 units and 3 expansion units to match larger energy demands.
• Seamless backup: Instant, automatic switchover during outages without manual intervention.
• Smart monitoring: Full real-time system control and insights via the Tesla app.

Long-term benefits

The Tesla Powerwall 3 is more than a backup battery — it’s an investment in energy resilience and independence. As energy costs continue to rise and grid stability becomes less certain, Powerwall 3 offers reliable power and budget predictability. For businesses, this means continuous operation and better expense control. For homeowners, it means peace of mind, lower bills, and cleaner energy use. With its advanced design and robust features, Powerwall 3 is built to grow with your future energy needs.

Redhill Services will support you at every stage — from initial consultation and design to professional installation and aftercare. Take control of your energy, reduce your reliance on the grid, and move towards a cleaner future with Tesla Powerwall 3.

Technical Specifications