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Best Solar Battery Storage for Commercial Use

At Agile Energy Group, we’re seeing more Australian businesses turn to solar battery storage to cut energy costs, improve energy reliability, and future-proof their operations.

A well-designed commercial battery system doesn’t just store solar energy—it delivers real savings, supports business continuity, and can even generate extra revenue.

In this guide, we’ll walk you through the best commercial solar battery options on the market today and show you how to choose the right one for your business.

Top Commercial Solar Battery Solutions

Our team at Agile Energy Group has deployed solar battery systems across a range of commercial environments. Based on real-world performance, the following battery systems consistently stand out for reliability, flexibility, and ROI.

Tesla Powerpack: Built for Big Business

The Tesla Powerpack is a powerful option for large-scale energy users. With over 3.9 MWh of scalable energy storage per unit, it’s ideal for businesses that need a robust, flexible solution. Whether you’re managing peak demand or protecting against outages, the Powerpack delivers industrial-grade performance.

LG Chem RESU: Compact & Capable

The LG Chem RESU range is a go-to for small to mid-sized businesses. Its high energy density, 95% depth of discharge, and easy-to-install form factor make it ideal for operations with moderate energy loads. Many of our clients achieve up to 80% grid independence using a properly configured RESU setup.

Sonnen eco: Smart & Sustainable

The Sonnen eco combines long lifespan (up to 10,000 cycles) with intelligent energy management. Its built-in software learns your energy patterns and adapts in real-time—optimising usage based on forecasts and pricing. Clients using Sonnen report up to 75% reduction in grid reliance.

BYD Battery-Box Premium: Scalable & Modular

The BYD Battery-Box Premium is available in both HVS and HVM configurations, offering modular storage ranging from 5.1 kWh to 66 kWh. It’s a highly adaptable solution perfect for growing businesses. With payback periods as short as 5 years in high-tariff regions, it’s an excellent investment in future energy stability.

📊 Did you know? The average commercial battery can store enough energy to power a small office for 24 hours.

Key Considerations When Choosing a Solar Battery

Finding the best battery for your business involves more than just comparing brands. Here’s what we advise our clients to prioritise:

1. Storage Capacity & Output

You’ll need a battery system that can handle your business’s peak demand. Most commercial sites require 30–100 kWh of capacity with at least 10–50 kW of output, depending on their energy load. An energy audit is critical to determine exact needs.

2. Battery Life & Warranty

Battery life is typically measured in cycles. A high-quality commercial battery offers 10+ years of useful life with warranties guaranteeing 80–90% performance retention. Always review the warranty for performance guarantees and component coverage.

3. Scalability

Choose a system that grows with your business. Modular battery storage allows you to add capacity without overhauling your entire setup—ideal for future expansions like EV charging or additional solar arrays.

4. Integration & Compatibility

Ensure the battery you choose integrates smoothly with your current or planned solar system. Some solutions come with inverters and energy management software built-in, while others may require third-party components.

How Solar Battery Storage Saves You Money

Reduce Peak Demand Charges

Using stored energy during high-tariff times helps avoid demand spikes. A manufacturing client in Sydney reduced peak charges by 40%, saving over $50,000 per year with a 100 kWh battery.

Take Advantage of Time-of-Use Rates

Many regions offer variable pricing depending on the time of day. By charging your battery during low-rate periods and discharging during peak times, businesses can slash their electricity bills. One of our Melbourne retail clients saved 30% annually using this method.

Maintain Business Continuity

Battery storage ensures your critical operations stay online during blackouts. Power outages cost Australian businesses billions annually. Installing a backup battery system helps prevent downtime and protects sensitive equipment.

Generate Revenue from Grid Services

Commercial batteries can participate in demand response and frequency control programs. One warehouse client in Adelaide earned an extra $15,000 annually by enrolling their battery in a local grid services program.

Final Thoughts from Agile Energy Group

Commercial battery storage isn’t just about energy savings—it’s about gaining control, resilience, and long-term value.

Whether you need the power of a Tesla Powerpack or the intelligent efficiency of a Sonnen eco, Agile Energy Group offers tailored solar and battery solutions that match your business’s needs today—and grow with you tomorrow.

We take a data-driven approach to system design, ensuring every battery installation delivers maximum ROI, energy independence, and operational stability.

Ready to explore solar battery storage for your business? Talk to the experts at Agile Energy Group and discover how we’re helping Australian businesses lead the energy transition—one smart battery at a time.

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Powering Sydney with Smarter Solar Solutions | Agile Energy Group

As energy prices continue to rise and the push for sustainability grows, more Sydney businesses and homeowners are making the switch to solar. At Agile Energy Group, we deliver tailored solar installation services in Sydney, helping our clients cut costs, reduce emissions, and secure a cleaner future.