Alpha Smile-B3 Plus 5.04kWh Battery ESS (inc Wifi) with integrated 3kw AC coupled charger £2,386 + VAT

£2,863.73 incl. VAT

Alpha Smile-B3 Plus 5.04kWh Battery ESS (inc Wifi) with integrated 3kw AC coupled charger £2,386 + VAT

£2,863.73 incl. VAT
Contact Us
Product description

Alpha Smile-B3 Plus 5.04 kWh Battery ESS with 3kw integrated AC charger

#7: AL-110315

Pdf free icon Alpha Smile-B3 Plus Data Sheet

Pdf free icon Alpha Smile-BAT-5P Data Sheet

Pdf free icon Alpha Smile-B3 Plus Manual

*Collections are not permitted due to health & safety regulations*

Suitable for charging from Economy 7 such as Octopus Go. For detailed explanation of how to maximise Economy 7 essential information to work out which battery storage options is best for you please visitUnderstaning Economy 7


SMILE-B3-PLUS, specially designed for retrofit. Cost-effective, super easy to install, and scalable. This 3kW AC-coupled solution with 5.04kWh built-in battery is available for all retrofit requirements, with a capacity expanded to 30.24kWh.

Established in 2012, Alpha ESS specialises in advanced battery storage products and intelligent energy management solutions for both residential and commercial applications.

Part of the Residential series, the Smile-B3 is an all-in-one battery module comprising a 3kW inverter and a 5.04kWh battery.
The Smile-B3 Plus is easily expandable up to 30.24kWh with the addition of up to 5 extra SMILE-BAT-5P batteries.

Offering excellent performance and a long life span, it is easy to install and low maintenance, with a 5 year product warranty and a 10 year battery warranty.

Key Features:

  • Suitable for use both Indoors & Outdoors
  • AC-Coupling
  • Built-in battery
  • Modular design
  • Easy installation and low maintenance
  • 24/7 Monitoring via Alpha Cloud



Alpha ESS



Item Code


Nominal AC Output Power

3000 W

Battery Type


Battery Capacity

5.04 kWh

Depth of Discharge



Single Phase

IP Rating


Dimensions (WxHxD)mm

640 x 250 x 725mm

Weight (kg)


Shipping Group


Previous Product

Nationwide UK Delivery

Expert system advice

Trade Prices & volume discounts

Visa Mastercard Maestro JCB Google Pay Shop Pay