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Alpha.ESS

Alpha Smile-B3 Plus 5.04kWh Battery ESS (inc Wifi) with integrated 3kw AC coupled charger

Alpha Smile-B3 Plus 5.04kWh Battery ESS (inc Wifi) with integrated 3kw AC coupled charger

Regular price £2,863.73 GBP
Regular price Sale price £2,863.73 GBP
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Appropriate for charging under Economy 7 tariffs, such as Octopus Go.

The SMILE-B3-PLUS is a retrofit solution featuring a 3kW AC-coupled system with a 5.04kWh built-in battery, expandable up to 30.24kWh. It offers cost-effectiveness, easy installation, and scalability for various retrofit requirements.



Established in 2012, Alpha ESS specializes in advanced battery storage products and energy management solutions for residential and commercial use. The Smile-B3 series includes an all-in-one battery module with a 3kW inverter and 5.04kWh battery, expandable up to 30.24kWh with additional batteries. It offers excellent performance, easy installation, and low maintenance, backed by a 5-year product warranty and 10-year battery warranty. Key features include indoor/outdoor suitability, AC-coupling, modular design, and 24/7 monitoring via Alpha Cloud.

Brand: Alpha ESS

SKU: AL-110315

Item Code: SMILE-B3 PLUS

Nominal AC Output Power: 3000 W

Battery Type: LFP (LiFePO4)

Battery Capacity: 5.04 kWh

Depth of Discharge: 95%

Phase: Single Phase

IP Rating: IP65

Dimensions (WxHxD)mm: 640 x 250 x 725mm

Weight (kg): 64

Alpha Smile - B3 Plus Datasheet

Alpha Smile  - BAT -5P Datasheet

Alpha Smile - B3 Plus User Guide

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