Celtic Solar
Battery Storage Systems Sunshine Coast
Battery Storage Solutions for Residential and Commercial Properties
Reliable battery storage is the backbone of every modern solar system. At Celtic Solar, we design and install lithium-based battery solutions that deliver consistent, dependable power—day and night. Built for the Sunshine Coast’s climate, our systems are engineered for long service life, safe operation, and efficient daily cycling.
Why Quality Storage Matters
Battery storage ensures your home or business can store excess solar energy for use when it’s needed most. It supports peak loads, stabilises supply, and maximises the benefits of your solar system.
We specialise in modern lithium-ion storage, chosen for:
- Long lifespan and excellent cycle performance
- High depth of discharge
- Fast, efficient charging
- Minimal maintenance
- Stable, reliable operation in hot climates
Battery systems can be integrated with both off-grid setups and grid-connected or hybrid solar systems, giving you flexibility and control over your energy use.
Designed for Your Property
Every battery installation is sized and configured to match your energy consumption, appliances, location, and solar generation. Whether it’s a remote cabin, a family home, or a business, we ensure your storage system delivers reliable, efficient power whenever you need it.
Take Control of Your Energy Independence
Ready to stop paying for power at night? From the high-performance FranklinWH to the modular Sungrow SBR, we have hand-selected a range of batteries built to handle the Sunshine Coast climate. Find the perfect storage solution to power your home 24/7
Frequently Asked Questions
We supply and install a range of reputable battery systems for single-phase and three-phase homes. We will advise you on the best battery solution for your household. Modern systems are often modular so their capacity can be increased to meet your specific energy needs. Our recommended products include Sungrow, Sigenergy and FranklinWH.
This depends on your household loads, the level of grid independence you seek, and your backup requirements during outages. Typical residential sizes range between 10kWh and 40kWh. We will determine the right size for you based on seasonal factors, your usage and your goals.
Cost depends on product quality, capacity, and the technology employed. Most modern systems use “Lithium Ion” (LFP) for excellent performance and longevity. You should expect a cost between $8,000 and $20,000 for a quality battery system, after applicable rebates.
Absolutely. Modern systems feature advanced software that, when coupled with the right energy plan, allows you to sell battery power back to the grid during peak periods to earn bill credits. We can guide you through the correct technology choices to make this happen.
Got questions? Contact our friendly team for expert advice tailored to your specific home needs.
