Is the VAT shown on the invoices?

Yes, invoices are created with sales tax (VAT). Customers from other European countries with a valid VAT number can buy without VAT in our online store. In this case, please create a customer account and then contact us by E-Mail for the activation.

Information about 0% sales tax (VAT) for photovoltaic systems and components


Is a purchase on account possible?

This service is only available for schools, universities, public institutions and German companies (after checking). For further information please contact our sales department by E-Mail.


What are the delivery status and the delivery time?

The article is in stock or available. Products that are ready to ship directly have a shipping time of 1-3 working days and a longer time is the standard delivery time according to the manufacturer.

The article is in the supply and the shipping time is the standard delivery time for this product. An additional date indicates when we expect a delivery to our warehouse and how many items from this delivery are still available for purchase.

Not available
The article cannot be ordered and is currently not available.


What are the order states?

We have not received the payment via Credit Card, PayPal, AmazonPay or Sofortueberweisung. The order will not be processed with this state. Please check also your PayPal account, if the payment is processed.

The order has been registered and will be reviewed.

The order has been processed by our ERP-System and is now waiting for the shipment or receipt of payment (bank transfer).

The order is packed and will be picked up by the shipper the same day or the next business day.

Error during payment
An error has occurred during the payment with Credit Card, PayPal, AmazonPay or Sofortueberweisung. Please contact us by E-Mail to solve the problem. The order will not be processed with this state.


Why I am asked for my phone number?

If there is a shipping problem then we or the shipping company can contact you by telephone.


Is a shipment possible to pack stations?

Yes, this is possible with DHL. Please enter your data as follows:

  • Post number as company name
  • Packstation as street
  • Packstation number as house number

There was a problem during the order. What should I do?

First, check your account if the order has been received correctly. If not, then please contact us by E-Mail with the order number and date.


When will my order be delivered?

We ship orders the same day, if the payment is cleared before 3:00pm. On weekends or holidays there will be no shippings. These orders will be shipped out on the next working day. In individual cases, there can be a delay sometimes.

The payment process has to be completed to ship your order. You will first receive an E-Mail with the payment receipt and then your order will be released for shipment. If you have paid and have not received a payment message after one business day on PayPal/CreditCard/Sofortuebwerweisung or 3 working days on payments in advance, please check at first your account. If the amount is booked, please send us an E-Mail with the following information:

  • Name
  • Order No.
  • Payment method
  • Payment date
  • Amount
  • PayPal transaction ID

We will then contact you to solve the problem immediately.


How long is the delivery time?

The shipping with DHL takes 1-4 days and packages are delivered from Monday till Saturday.
You can track the package status online with the tracking link you receive on the shipping day via E-Mail or you can log into your account.
If you have problems, please contact the DHL Customer Service.
Please note: Once a package is on its way, the delivery address is not modifiable.


Where can I find detailed product descriptions?

Detailed information can be found on or the manufacturer websites.


Safety Instructions

All offered products are components, modules and kits without independent function, that are solely intended as an utility device for development or education purposes under laboratory conditions. For use or operation specialist knowledge is required.
Further safety and product information can be found here: