Alpha Ess SMILE B3

Residential All-in-one Energy Storage System (ESS).

Battery inverter

  • Battery inverter 3kW
  • 2.9kWh storage integrated (1C, 96% DoD, 51.2V
  • Free online monitoring
  • Wifi communicaton (optional)
  • Open API, modbus control portal
  • Max. 5 Batterie (2.9kWh) units in parallel to the main unit

Only qualified Installers (certified by Alpha ESS or Solaris) are allowed to install and commission the Alpha ESS products!

Sold Out / available with delivery time

SKU: Alpha-I-0B3 Category:
Alpha ESS


A single phase, all-in-one 3kW battery that is expandable to 17.4kWh

The Smile-B3 is a powerful retrofit Solar battery system. This battery is suitable for any pre-existing Solar system with no current Solar battery attached. The Smile-B3 can pair with up to six 2.9kWh batteries, expanding your storage capacity to 17.4kWh. This can be suitable for small families, or groups.

Lithium iron phosphate, the safest chemistry of
all lithium battery types
German design, superb
performance and long lifespan
Compatible with both new installations and retrofits
(AC- or DC-coupled)
Multiple operation modes available
Easy Installation and low maintenance
Build-in Battery
Intelligent design


Alpha ESS

AlphaESS is one of the leading energy storage solution and service providers in the globe. The company specializes in the residential and commercial market, aiming to deliver the most cost-effective and fit-for-purpose solutions. AlphaESS has 10+ sub-sidiaries providing local services and 60,000+ systems actively running in over 60 countries, enabling millions of people to live with reliable,accessible and clean energy.

Alpha ESS

Datasheet Alpha Ess B3


Manual Alpha Ess B3 V07


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