Product Registration

Please note that PRODUCT REGISTRATION is for END USERS only.

To register your product, please follow the steps outlined below:

1. Create an account

If you don’t have an account with us yet, please one create one using the button below. Otherwise skip to Step 3.

Create End User Account

2. Verify your account

Go to your email inbox and verify your account by clicking on the link in the email we have sent you. (Then come back to this page)

3. Register your product

Click below to select the type of inverter you wish to register.

How to purchase an extended warranty
When registering your product, follow the Paypal links to purchase the additional 5 year warranty.
Be sure to click “End User” underneath the password field.





What if I have lost the purchase invoice/date of commissioning?
If the invoice is no longer obtainable, the warranty will be based on the inverter’s manufacturing date.

How long do I have before I cannot purchase an extended warranty?
You can only purchase an extended warranty if your original 5 year warranty has not elapsed.

How does Delta keep track of which RPI inverters are 5 or 10 year inverters?
Delta has a database with the serial numbers of RPI inverters sold under a 5 year warranty. You can check your inverter’s warranty here.