Alpha ESS 3000W Single Phase AC Coupled with 2.9kWh Battery and WIFI

SKU: ALPH-SMILE-B3-WIFI Categories: , ,


Customisable. Affordable. Simple.

The Alpha SMILE B3 is an AC coupled all-in-one battery energy storage system (3kW/2.9kWh) suitable for both new and retrofit installations.

2.9kWh Storage capacity can be further increased up to 17.4kWh, by adding additional up to 5x Alpha ESS expansion battery modules ALPH-M4856-P.

It can help to achieve the optimal usage of renewable energy and can control the bi-directional flow of electric power, work under auto/manual & time-of-use (TOU) modes and charge/discharge the battery as per homeowners setting.

Market leading quality, without the corresponding price tag, the Alpha SMILE B3 offers cloud monitoring, modular format for expansion at a later date, 96% DoD, superb performance and long life-span.


This storage unit comes supplied with 2x CTs for monitoring Production and Consumption. The CTs come with 10m cables, please bear that in mind when planning your installation and if that length is not sufficient please, purchase additional Acrel Energy Meter ALPH-ACR10R.


This unit comes with 5 Year Inverter Warranty and 10 Year Battery Warranty.

PLEASE NOTE: As per Alpha ESS Warranty document “It is required that all systems to have internet connection for monitoring. For those systems that are not connected to the internet the warranty is then reduced to 3 years. “ In order to connect the storage system to Alpha ESS monitoring portal, an installer ‘License Number’ is required. Please contact Segen or Alpha ESS for details on how to obtain Alpha ‘License Number’.  


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