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AlphaESS SMILE-G3 3.8kWh Battery for Alpha Smile G3 – SMILE-G3-BAT-3.8S

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The AlphaESS SMILE-G3 3.8kWh Battery battery is designed for use with the Smile G3 system, and up to four of this battery can be used in series to give a capacity of 15.2kWh. With its modular design, the ‘plug & play’ Battery has been designed to be aesthetically pleasing when used with the Smile G3 Hybrid Inverter.

  • Essential Load Protection
  • Safest LiFePO4 (LFP) Chemistry
  • Long service life of 8,000 cycles backed by a 10 year performance warranty
  • Simple installation and maintenance
  • The batteries are modular and easy to expand

Important: Warranty: As per the AlphaESS Warranty document “It is required that all systems have internet connection for monitoring.

£1,560.00 inc.VAT (£1,300.00 Ex.VAT)

Out of stock

SUPPLY & INSTALLATION AVAILABLENeed this professionally installed?

The Eco Supermarket also offers complete solar and battery installations. We can help specify the right system and provide a full installation quotation.

The AlphaESS SMILE-G3 3.8kWh Battery battery is designed for use with the Smile G3 system, and up to four of this battery can be used in series to give a capacity of 15.2kWh. With its modular design, the ‘plug & play’ Battery has been designed to be aesthetically pleasing when used with the Smile G3 Hybrid Inverter.

Warranty: As per the AlphaESS Warranty document “It is required that all systems have internet connection for monitoring. Systems that are not connected to the internet will have their warranty reduced to 3 years”

Battery Limits and Compatability

Up to 4 of these 3.8kWh batteries can be connected to the Smile G3 Hybrid Inverter, giving a total battery storage capacity of 15.2kWh.  Accounting for the 95% DoD, this is a usable capacity of 14.44kWh which is plenty for the average UK home.

Looking for help on your solar and battery storage journey? Please contact us for impartial advice.

Features of the AlphaESS SMILE-G3 3.8kWh Battery:

  • Essential Load Protection
  • Safest LiFePO4 (LFP) Chemistry
  • Long service life of 8,000 cycles backed by a 10 year performance warranty
  • Simple installation and maintenance
  • The batteries are modular and easy to expand
  • Storage Capacity – 15.2kWh, plenty the average residential UK home
  • High Depth of Discharge – 95%
  • Intelligent control
  • 24/7 Monitoring

Who is AlphaESS?

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

AlphaESS offers homeowners a comprehensive range of energy storage products with various features and capacity options to meet the needs of a wide range of building types and demand profiles.

Why Invest in Solar Battery Storage?

More and more homeowners are going solar to reduce their electricity bills and protect the environment for future generations. A battery system allows you to go even further by storing surplus solar generation for use at any time, increasing your savings and reducing your reliance on the grid.

Works with Smart Tariffs including Octopus Energy

When combined with the Smile G3 Inverter, the AlphaESS SMILE-G3 3.8kWh Battery has been designed to work seamlessly with smart energy tariffs. The first energy supplier to offer such a tariff is Octopus Energy, however this AlphaESS battery system works perfectly with any other energy provider.

Intelligent Hybrid Inverter

The Smile G3 package features an intelligent modular design and 24/7 monitoring both online and via the AlphaESS app.

High Voltage Batteries

The AlphaESS SMILE-G3 3.8kWh batteries are high voltage, modular batteries which are installed in series for maximum efficiency.

Product Code: SMILE-G3-BAT-3.8S

Downloads

Datasheet for the AlphaESS SMILE-G3 3.8kWh Battery
User Manual for the Alpha Smile G3
Warranty Document for AlphaESS

Video – Introducing the AlphaESS Smile G3

SKU: SMILE-G3-BAT-3.8 Categories: , , ,

Smart energy integrations

Explore smart-energy services, tariffs and resources that can complement solar, battery storage, EV charging and wider home or business energy systems. Compatibility and eligibility vary by product, equipment and service provider.

Axle Energy logo
Earn extra from a compatible home battery

Axle Energy runs a free Virtual Power Plant (VPP) for compatible home battery systems. During selected grid events, participating batteries can export energy to help support the grid - and customers are paid for taking part.

  • £25 signup bonus when you join via our link
  • £10/month minimum earnings guaranteed
  • £1 per kWh exported during eligible events
Earn £10/month & join the Axle VPP
Octopus Energy
Explore smart energy tariffs with Octopus Energy
Octopus Energy offers tariffs designed around technologies including solar, battery storage and EV charging. Switch using our referral link and you'll receive £50 credit once your switch is complete. Existing customer? You can still explore their smart tariffs and energy services. T&Cs apply. Only one switching offer per household.
Get £50 Credit
UK SMART ENERGY INTELLIGENCE
BATTERY BOOST
Track it. Connect it. Optimise it.
Understand the wider smart-energy ecosystem

Battery Boost is an independent UK smart-energy resource covering solar, battery storage, EV charging, smart tariffs, VPPs, optimisation, plug-in batteries and commercial energy.

Explore compatibility, compare services and tariffs, follow market changes and understand how different energy technologies can work together.

Explore Battery Boost →
Weight 39.2 kg
Brand

Alpha ESS

Capacity

Useable 3.61kWh

Max. Charging/Discharging Current

40A

Dimensions

610 x 435 x 212.5 mm

Weight

39.2kg

Warranty

10 Years

Protection Class

IP21

Depth of Discharge

95%

Life Cycles

8,000

Downloads

Datasheet for the AlphaESS SMILE-G3 3.8kWh Battery
User Manual for the Alpha Smile G3
Warranty Document for AlphaESS

Video – Introducing the AlphaESS Smile G3

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