A Few Steps to Get Up to 50% Off the STREAM Series!
Upgrade your balcony power system the smart way with the EcoFlow Balcony Upgrade Program. Simply submit the form below and upload proof of your current microinverter or solar battery (EcoFlow or any other brand) to receive:
1 × 50% off coupon for the STREAM Microinverter
1 × 8% off coupons for all STREAM Series products


Experience smarter control and greater savings with the EcoFlow STREAM Series Plug & Play Solar Plant—tailored for modern balconies.
Why Upgrade to EcoFlow STREAM?
EcoFlow STREAM Series is here to revolutionize your balcony solar system—designed to integrate seamlessly with what you already have, while delivering a smarter, more powerful, and flexible experience. Capture more sunlight, store more energy, and make every watt work smarter for your home.


EcoFlow STREAM Series breaks through the limitations of traditional BKW systems. With higher output power, more flexible battery placement, and optimized solar panel installation—including direct battery-to-appliance connections—STREAM provides a smarter, more adaptable energy solution for your home.


Frequently Asked Questions
Who is eligible to participate?
Anyone who already owns a microinverter or solar battery (EcoFlow or any other brand) is eligible.
How does it work?
What coupons can I get and how do I use them?
EcoFlow Balcony Power Plant Upgrade Program – Terms & Conditions:
Event Introduction:
The EcoFlow Balcony Power Plant Upgrade Program runs from 17 June (8:00 AM CET, 17 June 2025) to 31 July (8:00 AM CET, 31 July 2025) (hereinafter referred to as the "Program Period").
Eligibility
The Upgrade Program is open to all users on uk.ecoflow.com who are UK residents and 18 years old or older as of 9:00 AM on 17 June 2025 (CET) ("participant(s)").
Mechanism:
This program is open only to users who currently own a microinverter or solar battery as part of a balcony solar system. Applicants must submit basic information and photos of their existing setup. The basic information includes: (1) First name and last name (2) Email address (3) Country (4) City (5) Brand name of your microinverter (6) Photo of your microinverter (7) Serial Number (SN)
During the EcoFlow Balcony Power Plant Upgrade Program, users may submit an upgrade application form on https://uk.ecoflow.com/pages/stream-upgrade-program. We will review the application within 24 hours. Once approved, the applicant will receive the following via email: (1) A 50% off coupon code for the STREAM Microinverter (2) An 8% off coupon code for all STREAM series products
Details
(1) The 50% off coupon code is valid only for the STREAM Microinverter. The 8% off coupon code is valid only for STREAM series products. (2) If an order using a coupon code is canceled, the coupon code will be voided. No monetary refund will be provided for the value of the coupon. (3) Coupon codes cannot be combined or stacked with other promotions or discounts. (4) After successful submission and approval, the coupon code will be sent to the email address provided. (Definitions: Submission refers to the upgrade application form submitted via https://uk.ecoflow.com/pages/stream-upgrade-program. Approval means that we have reviewed your submitted form and confirmed it meets all requirements.) (5) Submission of product information does not require users to return their existing product to EcoFlow. You may keep your old product. (6) The coupon code can only be applied to new purchases. It cannot be used retroactively for price adjustments on past orders.
Prohibitions
In the event of any fraudulent or deceptive behavior, EcoFlow reserves the right to deny or revoke the coupon code at its sole discretion. Fraudulent or deceptive behavior includes, but is not limited to: (1) Submitting duplicate applications for the Upgrade Program coupon code. (2) Applying for the Upgrade Program after purchasing the STREAM Microinverter or other STREAM series products, then returning or refunding those products.
General
(1) If you encounter any problems during the program, please contact support.eu@ecoflow.com for assistance. (2) To the extent permitted by applicable law, we may decide to modify these rules or cancel the program at any time. If there is any fraud or abuse related to the program, we reserve the right to exclude any customer from the program. (3) Participants in the program agree to be bound by the terms and conditions set forth herein and understand that EcoFlow's decisions are final and binding. No correspondence or appeals will be entertained. EcoFlow reserves the right to make the final and ultimate interpretation of this campaign. (4) During the program, all orders must comply with EcoFlow's purchase agreement and return policy. (5) The program is not applicable to wholesale or distributor orders. (6) Any unauthorized or fraudulent behavior will result in disqualification of participants. (7) Participants must comply with all applicable laws and regulations. (8) EcoFlow reserves the right to stop, cancel, or change the program at any time during the program. Any changes will be announced on the EcoFlow official website. (9) EcoFlow will assume no responsibility for late entries, which may occur for any reason, including but not limited to network transmission failure. (10) EcoFlow will not be responsible for any direct or indirect losses or damages incurred by any party, including the participants, in connection with or arising from acts or omissions, or in any way related to this campaign. (11) Participants agree to release and discharge EcoFlow from any liabilities and claims, including breach of contract, tort, negligence, or any other cause of action at law or equity, arising out of or in any way connected to this campaign or the participant's entry into the campaign.