The AlphaESS 13.3kWh Battery (SMILE-BAT-13.3P) is a high-capacity, low-voltage LiFePO₄ battery module designed for residential solar storage and engineered to integrate smoothly with Solis hybrid inverters.
Built with advanced lithium iron phosphate chemistry, it ensures exceptional safety, long lifespan, and consistent performance — making it ideal for homeowners wanting to maximise solar usage, reduce grid reliance, and secure reliable backup power.
With its modular design and robust battery management system (BMS), the AlphaESS 13.3kWh battery delivers stable, high-efficiency energy storage suitable for both daily cycling and emergency backup. Whether you are upgrading an existing Solis system or building a new solar storage setup, this unit offers strong compatibility, easy installation, and long-term dependability.

⭐ Key Features
🔋 13.3kWh usable capacity — perfect for medium to large homes
⚡ Fully compatible with Solis hybrid inverters
🔰 Safe LiFePO₄ chemistry — long life, high thermal stability
🔄 Expandable modular system — add more units for increased capacity
🧠 Advanced BMS with real-time protection & enhanced monitoring
🏡 Ideal for home energy storage & backup applications
📉 High round-trip efficiency for maximum solar utilisation
🔧 Simple installation with a plug-and-play design

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