Dyness is discontinuing the original Tower (T7–T21) series and replacing it with a new generation of high-voltage storage. The direct successor for homes is Tower Pro; for...
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Photovoltaic power plants for companies with high consumption
We’ll design the optimal photovoltaic solution for your energy-intensive operation and handle all the paperwork, including subsidies. We know how to do it right. So it will keep saving you money even in 20 years
- We’ll reduce your electricity costs
- We’ll provide a stable backup source
- We’ll increase cost predictability
About ONSA Plus
Not just boxes. A partnership.
ONSA Plus is a European B2B wholesale distributor of solar PV, battery storage, heat pumps and EV chargers, supplying professional installers in all 27 EU countries, whether you fit one system a month or run a busy crew. We hold 1,500+ products from 25+ brands including Huawei, Solis, SolaX and Dyness in our three EU warehouses. In-stock items are dispatched within 24 hours, to your premises or straight to the installation site.
We are not only a trading house. We design and install energy systems ourselves, so questions about sizing and compatibility are answered by a dedicated specialist who knows the setup from practice, not a ticket in a queue. And there is no minimum order, so you buy what the job needs. We sell what we install ourselves. Frequently asked questions
- Delivery to all 27 EU countries
- 1,500+ products in stock
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- No minimum order
Latest rating
Fronius Ohmpilot 9.0-3
The product rating is 5 out of 5 stars.
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03.09.2025
spoľahlivo funguje už viac ako 4 roky. v nastaveniach sa da krásne nastaviť podmienky. dobre funguje aj s 6x1kw špirálami, zapojenými paralérne.
po zapojení si sám zmeria špirály.
od marca do novembra mam dosť teplej vody ak nepoužívam bazén.
menič najpr dobije baterie a potom dáva prebytky do akumulacky.
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The product rating is 5 out of 5 stars.
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