Alpha ESS Solar Batteries – Smart, Scalable Energy Storage
Alpha ESS is a global energy storage solutions company, recognized for its modular, high-performance battery systems. Their products are designed for home, commercial, and industrial use — providing clean, reliable power backup, increasing solar self-consumption, and helping reduce reliance on the grid.
Key Features & Technology
Uses Lithium Iron Phosphate (LiFePO₄) chemistry, known for its safety, thermal stability, long cycle life, and durability.
Modular design: you can start with smaller capacity systems and expand by adding more modules as energy needs grow.
High Depth of Discharge (DoD) typically around 90-95%, meaning you can use most of the stored energy without harming battery life.
Good round-trip efficiency (often ~95%) which means minimal energy loss when charging/discharging.
Real-time monitoring and smart controls via their platforms (web or mobile) allowing you to see energy production, battery status, usage, and backups.
Designed for indoor or outdoor installation with appropriate IP protection ratings.
Models, Capacity Types & Wattage/Power Output
Here are the main battery/ESS product lines from Alpha ESS and their capacity & power options:
Smile-B3 Series
For residential retrofit and smaller homes.
Nominal storage from ~ 2.9 kWh up to ~ 17.2 kWh depending on number of modules used.
Includes models with built-in 3 kW inverters for AC coupling.
Scalable: multiple battery modules can be paralleled or stacked.
Smile-B3 Plus
Expanded version of B3. Allows more capacity (e.g. up to ~ 30.24 kWh with multiple battery modules).
Good for homes with larger electricity needs or wanting more backup.
Smile 5 / Smile-G3 / Smile-S5 Series
Mid to larger residential or small commercial usage.
Capacity ranges from ~ 5.7 kWh up to tens of kWh (sometimes 60 kWh+) depending on how many battery modules used.
Output power around 5 kW for many models (which suits most residential needs).
Smile-M5 / Other Higher Output Modules
Higher continuous power rating (for example 5 kW) and capacity range up to ~ 20 kWh or more depending on configuration.
Designed for homes with high load or homes wanting stronger backup.
Advantages of Choosing Alpha ESS
Scalable and flexible: you can start with less and expand later.
Good efficiency and high usable capacity means more of what you pay for is actually useful.
Solid backup capability (power during outages) for essential loads.
Strong safety features and reliable chemistry (LiFePO₄).
Warranty generally good (product and performance).