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The Alpha SMILE-M5 is a next-generation all-in-one solar and battery storage system designed for residential energy independence. With its 5kW hybrid inverter and stackable 5kWh LFP battery modules, the SMILE-M5 combines sleek design, advanced safety features, and unmatched expandability—making it one of the most reliable smart energy solutions on the market.
All-in-One Hybrid System – Integrated 5kW hybrid inverter with modular storage from 5kWh to 30kWh (up to 6 battery modules).
Safe & Reliable – Utilises LiFePO4 (LFP) battery chemistry for maximum safety, long cycle life, and thermal stability.
200% PV Oversizing – Maximise your system’s efficiency and energy yield with up to 10kW PV input power.
Fast-Suppression Fire Defense – Built-in aerosol fire suppression technology ensures the highest level of safety for home installations.
Uninterrupted Power Supply – Automatic switchover during blackouts for seamless home backup power.
Durable & Weatherproof – IP65 protection rating for both inverter and battery modules—ideal for indoor or outdoor installation.
Smart Connectivity – Integrated Ethernet & Wi-Fi communication for 24/7 monitoring and performance optimisation.
10-Year Warranty – Comprehensive coverage for peace of mind.
Nominal Output Power: 5000 W (5kW)
Max. PV Input: 10,000 W
MPPTs: 2 inputs, 1–2 strings per MPPT
Max. PV Input Voltage: 550 V
Rated Voltage: 230 V (Single Phase)
Backup UPS: Yes
Weight: 19.5 kg
Dimensions: 620 × 240 × 412.5 mm
Protection: IP65
Module Capacity: 5kWh (100% DoD)
Expandable: 1–6 modules in parallel (5–30kWh)
Max. Charge/Discharge Current: 100 A
Battery Chemistry: LiFePO4 (LFP)
Operating Temp.: Charge 0 ~ 50℃ / Discharge -10 ~ 50℃
Weight: 49.5 kg (per module)
Dimensions: 620 × 240 × 390 mm
Protection: IP65
Alpha ESS is a global leader in advanced energy storage solutions, with over 15 years of experience and a reputation for innovation, reliability, and safety. The SMILE series is widely trusted in homes across Australia, delivering smart, scalable energy independence with strong local support.
The Alpha SMILE-M5 is more than just a battery—it is a complete home energy ecosystem. With flexible expansion up to 30kWh, advanced safety protection, and smart hybrid inverter technology, this system ensures your home is always powered—rain, shine, or blackout.
Perfect for Australian homes looking for maximum self-sufficiency and long-term energy savings.
All our products are covered by the Manufacturer's Warranty, which guarantees that they will be free from defects in materials and workmanship under normal use and service. The specific terms and duration of the warranty may vary depending on the product and the manufacturer. Please refer to the product's documentation or contact our customer support team for detailed warranty information.
Warranty Claim Process
In the unfortunate event that you encounter a faulty product, we want to make the warranty claim process as seamless as possible for you. To initiate a warranty claim, please follow these steps:
If damage is confirmed to be from normal wear-and-tear, drops, unauthorized repairs, or other non-warranty factors, service and shipping fees will apply. In such cases, we will contact the customer for approval before proceeding with paid repairs.
Unfortunately we cannot provide loaner units during the warranty repair process. For mission-critical equipment, we highly recommend purchasing backup units to prevent downtime in case of defects.
You have 30 calendar days to return an item from the date you received it.
To be eligible for a return:
Upon receiving your order, we kindly request that you thoroughly inspect all packages within 7 days of delivery. This inspection period is crucial as it allows you ample time to identify any visible damage caused during transit. Please keep in mind that promptly reporting any freight damage is vital in safeguarding your right to file a claim and ensuring a swift resolution.
Should you identify any freight damage during the inspection, we urge you to notify us immediately. Our customer support team is ready to assist you through the claim filing process and provide the necessary guidance to ensure a smooth and hassle-free experience.