Alpha ESS SMILE5 5kW Single Phase Battery System Hybrid Inverter
Alpha ESS SMILE5 5kW Single Phase Battery System Hybrid Inverter additional 1Alpha ESS SMILE5 5kW Single Phase Battery System Hybrid Inverter additional 2

£1,599.99 ex VAT£1,919.99 inc VAT

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Product features

  • Future-ready energy management
  • Expandable battery storage
  • Scalable to 60.6kWh
  • Modular, future-proof system
  • Alpha ESS system compatible
  • Continuous 24/7 monitoring
  • Compact, space-saving size
  • Indoor IP21-rated design
Product code: ALPH-SMILE5-INV
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Description

The Alpha ESS SMILE5 5kW Single Phase Hybrid Inverter reliable, efficient and future-ready energy management essential designed as an exclusive companion to Alpha ESS battery systems. This advanced hybrid inverter provides intelligent energy management, expandable battery storage of up to 60.6kWh, seamless integration with Alpha ESS modules, 24/7 system monitoring, and reliable critical-load backup protection - all within a robust IP21-rated design for efficient, future-proof indoor installation.

Engineered around a flexible modular design, the Alpha ESS SMILE5 supports seamless expansion with up to six Alpha ESS battery modules, delivering a huge energy storage potential of up to 34.2kWh or 60.6kWh depending on the chosen configuration. Whether you want to reduce grid reliance, safeguard essential circuits, or optimise solar self-consumption, the SMILE5 adapts effortlessly to your specific needs.

It automatically prioritises the most efficient power source, maximising savings and performance around the clock. Its 24/7 monitoring capability ensures you stay informed at all times, while built-in critical load protection keeps essential appliances running during outages - giving you peace of mind throughout the year.

Crafted with reliability and ease of integration in mind, the SMILE5’s IP21-rated construction makes it suitable for indoor installations, delivering quiet, efficient operation that fits effortlessly into modern energy setups. This inverter represents a powerful upgrade for any home or business looking to embrace smarter, cleaner and more stable energy use.

  • 5kW single-phase hybrid inverter designed for seamless solar & battery integration
  • Exclusive to Alpha ESS batteries, offering superior compatibility & system performance
  • Expandable storage with up to 6 parallel battery modules
  • Provides up to 34.2kWh or 60.6kWh of fully scalable energy capacity
  • Intelligent energy management for maximum efficiency & reduced grid reliance
  • Critical load/backup protection to keep essential circuits powered during outages
  • 24-hour smart monitoring for real-time insight into system performance
  • IP21 indoor-rated housing for clean & reliable installation
  • Modular, future-proof design to adapt to growing energy needs
  • Dimension: W: 610mm x D: 210mm x H: 627mm | Weight: 35 kg

Technical Specifications

  • Rated AC Output Power: 5,000W (single-phase)
  • PV Input – Maximum Input Power: 2x 3,300W (total 6,600W)
  • Maximum DC (PV) Voltage: 580V
  • MPPT Voltage Range: 125V to 550V
  • DC Start-up Voltage: 125V
  • MPPT Trackers: 2
  • Max PV Input Current: 2x 12A
  • Max PV Short-Circuit Current: 2x 15A
  • Nominal AC Output Voltage: 230V (single-phase)
  • Battery Compatibility: Lithium Iron Phosphate (LFP) modules
  • Ingress Protection: IP21 indoor-rated
  • Communication & Monitoring: Built-in Ethernet/WiFi options for 24/7 system monitoring
  • Maximum Inverter Efficiency: Up to approximately 97.6%

Code: ALPH-SMILE5-INV

DELIVERY INFORMATION

Fast, reliable UK delivery

  • FREE UK delivery (2–3 working days) on orders over £99 exVAT (order before 4pm)*.
  • Orders under £99 exVAT are charged £6 inc VAT (£5 exVAT).
  • Need it quickly? Choose from our Next Working Day & Saturday delivery options below (order before 2pm).

Delivery options & rates

Delivery OptionDelivery TimeCost
Standard Delivery2-3 working days£6.00 (£5.00 exVAT)
FREE Standard Delivery (orders over £99 exVAT)*2-3 working daysFREE
Next Working Day Delivery (order before 2pm)Next working day£9.99 (£8.33 exVAT)*
Next Working Day by 12pm  (order before 2pm)Next working day£20.00 (£16.67 exVAT)
Next Working Day by 10:30am  (order before 2pm)Next working day£21.60 (£18.00 exVAT)
Saturday Delivery  (order before 2pm Friday)    Next working day£20.00 (£16.67 exVAT)
Northern Ireland, Highland  & Islands Delivery  3-5 working days£9.99 (£8.33 exVAT)

Important: Orders placed after 2pm on Friday (or over the weekend) are processed on Monday for next working day delivery. Next Day & Saturday Delivery options NOT available on all products.

*FREE Standard & Next day delivery available on select products and will be clearly shown on the product page.


What to expect

  • We dispatch Monday - Friday (excluding public holidays).
  • Once dispatched, you’ll receive tracking information (where available).
  • If delivery is delayed for any reason, we’ll contact you as soon as possible with an updated estimate.

Please note: we cannot be held responsible for missed deliveries. Customers are advised to check their spam or junk folder to ensure tracking information and estimated delivery details are received.


Specialist product delivery

Some products require specialist handling:

  • For Portable power please allow up to 4 working days for delivery.
  • Solar panels are shipped via our £100 pallet delivery service.
  • In some cases a third-party supplier may fulfil your order directly.

Delivery areas & restrictions

  • Northern Ireland, Scottish Highlands & Channel Islands: please contact us for shipping rates.
  • Portable power to Northern Ireland: we can’t currently ship these items due to insurance issues with the courier.
  • International delivery: unfortunately we do not currently offer international shipping.

Questions, problems, or returns?

RETURN POLICY

Last updated May 23, 2024

Thank you for your purchase, we hope you are happy with it.

However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange; please see below for more information on our returns policy.

RETURNS

If you find you have received the wrong or damaged item(s), you need to contact us within 7 days of receipt of goods. Any time after this you are responsible for returning the goods at your own cost following the standard returns process.

All returns must be postmarked and in writing within fourteen (14) days of the purchase date. All returned items must be in a new, unopened and unused condition, with all original tags and labels attached.


RETURN PROCESS

To return an item, please click the ‘Download Returns Form’ below and complete all data fields. You can then email this to our team once completed.
Place your item(s) securely in its original packaging along with the returns form.
Please note that the RMA# on the returns address is your original order number; please ensure to reference this on the returns address, as per below.
You are now ready to mail your return to the following address:

Attn: Returns
RMA #/Order No -
Eco WizardUnderfloor Wizard Ltd t/a ECO Wizard
Beechfield House
Winterton Way
Macclesfield
Cheshire
SK11 0LP
United Kingdom

We ask that all customers when returning products send the goods via a trackable courier service. Underfloor Wizard Ltd t/a ECO Wizard will not be held responsible for goods which do not arrive at our premises.

Please note, you will be responsible for all return shipping charges, unless in the instance of damaged/faulty goods received in which case we can issue you with a returns label to cover the cost of postage.

Download Returns Form

REFUNDS

After receiving your return and inspecting the condition of your item, we will process your return or exchange. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your return has been processed.

Faults on installed products: 

If a product that has been installed develops a fault, please contact us, do not uninstall the product yourself. We will arrange for an engineer or technical support from the brand to assist with diagnosing the fault. Once the fault has been confirmed we can then arrange for the necessary next steps to occur.


EXCEPTIONS

The following items cannot be returned or exchanged:

  • opened box, damaged, missing or incomplete items cannot be returned.
  • items that have been installed.


QUESTIONS
If you have any questions concerning our return policy, please contact us at: returns@ecowizard.co.uk

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