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The S440 Power Optimiser is suitable for use with high power modules with output up to 440W, provided that both Voc (60V) and Isc (14.5A ) are not exceeded. 

Optimisers allow for uneven strings, longer strings, mix of panel types and orientations on the same string as well as reducing the impact of partial shading on the array.

SolarEdge S440 Optimiser Single Input


    • Max input Voc: 60V
    • Max current Isc: 14.5A
    • Minimum number of optimisers: 8
    • Maximum number of optimisers: 25
  • Orders placed and confirmed are subject to stock availability. 

    Delivery is by pallet courier, or DPD couriers for smaller items. Title and risk in the goods passes to the buyer on delivery. Palletised deliveries are always kerbside, at the driver's discretion / access limitations they may be able to move the goods on to the property.

    Although we are selective about which couriers we use, and aim to only partner with those offering reliable service, we do not guarantee timed or next day services. 

    We do not accept liability for any costs arising from a failed delivery. It is the buyer's responsibility to ensure that someone will be available at the address given to receive, inspect and sign for the delivery and any delivery that is attempted but fails because no-one was there will be chargeable. If the address or date are incorrect and a redelivery is required, these are also chargeable in full.

    It is the buyer’s responsibility to advise us of any access restrictions at the delivery address prior to order dispatch. Many of our couriers deliver on large articulated lorries, if they cannot gain access to the delivery site due to restrictions that Gechnology Limited were not forewarned of, we will not be liable for incurred costs and a redelivery charge will apply which must be paid in full prior to redelivery being attempted.

    Tracking your order

    You will normally receive an email with details on how to track your order. We cannot guarantee to provide an ETA on orders that are booked on a next working day service. Please make sure to provide a mobile number, as for DPD deliveries you will then receive a text detailing a delivery window.

    When your order arrives

    As soon as you receive your order please check the contents. Any damage to the packaging or goods should be noted when you sign for the goods. While it's rare for breakages to happen in transit, it can happen, so if you have ordered solar panels we very strongly recommend you check the panels BEFORE signing with the courier that it has been received in good condition. Else, please sign as unchecked. You should check the contents against the packing note or quotation that you have received. Any missing or damaged items should be reported to us within two working days by phone or email. Gechnology Limited will not be liable for the cost of replacement goods if notified after this period.

    Gechnoloy Limited will refund for or replace any goods which arrive damaged, with replacements sent on a next day basis subject to stock availability, but will not be liable for any further costs arising from the arrival of damaged goods on site. Delayed deliveries and damage in transit can happen occasionally, and may impact installations planned for the day of delivery. That is a risk associated with delivering to site directly (offset by an operational saving on rent for storage of stock) and should be priced into the installation. Gechnology Limited will work closely with customers to resolve issues as quickly and inexpensively as possible, but our financial liability for delays, errors and damage in transit is strictly limited to the value of the order itself, including delivery. 


    We endeavour to keep the information on our website accurate and fully up-to-date, and aim to fulfil orders promptly and to the full satisfaction of our customers. However, we do reserve the right to refuse orders at our sole discretion, to change the price and specification of items listed on the website, and to withdraw items from sale at any time.


    For retail/B2C sales, if you wish to return an item/order, you need to tell us within 14 days of receiving your goods that you'd like to return them. You have 28 days from when you received the goods to facilitate this return. The cost of the original delivery charge is non-refundable, and the cost of returning the goods is the responsibility of the buyer. Items must be returned unopen and unused. 


    These Conditions are deemed accepted by the customer when products or services have been accessed or ordered by the customer.

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