Frequently Asked Questions


The Power Bracelet is compatible with all Apple Watch Series, including the new Series 8 & Ultra.

The Power Bracelet is compatible with the Standard Case 41/40/38mm and the Large Case 45/44/42mm Apple Watch Cases.

The Power Bracelet is also compatible with Apple Watch Ultra (select Molecular from the POP Studio for a matching tone).

Ultra: 49mm
Series 8/7: 45/41mm
Series 6/SE/5/4: 44/40mm
Series 3/2/1: 42/38mm

Shortly after your order is placed, you will receive an order confirmation email to indicate your Apple Watch Case size.

If you decide to change your Apple Watch Case Size, you can order a Power Connector Set to make your existing Power Bracelet compatible with your new case.

The Power Bracelet is compatible with all Apple Watch Cases (Aluminium, Stainless Steel, Titanium, Ceramic).

The Power Bracelet / Power Bracelet Max Base + 3 Links also fits the smallest wrist.

It's usually the additional links after the "Base + 3 Links of diamonds" that you may not need to add. Once your order is placed, you can send us your wrist measurement and we'll make sure it fits your wrist perfectly.

Each Power Bracelet is handcrafted specially for you, based on the number of links that are engineered with diamonds.

It is not possible to purchase links with diamonds after placing an order. You cannot add a link with diamonds on a Power Bracelet that has already been crafted.

We can craft a compatible Power Bracelet with select Samsung Galaxy Watch models, please contact the Nuclieus Concierge or send us an email to learn more. 


Power Vault is compatible with:

Apple iPhone 14 Pro
Apple iPhone 14 Pro Max

Apple iPhone 13
Apple iPhone 13 Pro
Apple iPhone 13 Pro Max

Apple iPhone 12
Apple iPhone 12 Pro
Apple iPhone 12 Pro Max

Please choose Power Vault compatibility in Step 2 [Choose Compatibility]. The iPhone 12 and iPhone 12 Pro have an identical fit. The iPhone is sold separately, Nuclieus offers the Power Vault only. 

Note: The Power Vault for the iPhone 14 Series is not compatible with the Power Vault designed for the iPhone 13 Series.

Power Vault is designed with aerospace grade titanium and crafted with the finest grown diamonds, each diamond is flawless and colorless.

The Power Vault comes in a Silver and Gold finish.

A patented dual-layer design, powered by Arc Pulse, fuses aerospace grade titanium with a custom engineered shock absorbent inner layer ensures industry leading protection and slide-on fit™️. The Power Vault securely slides onto the iPhone from the top and the bottom.

The Power Vault simply slides onto the Apple iPhone. Please read the instructions.

The Power Vault is engineered with aerospace grade titanium, built to withstand water and extreme temperatures.


The Power Crown is an all-purpose piece of fine jewelry. It's designed with a removable Airpods Clip so you can clip your Airpods on and off.

The Power Crown can be used as a key holder, bag charm, or even a pendant.

The Power Crown is designed with a removable Airpods Clip, so you can clip your Airpods Case on and off. The Airpods case hooks on to the Airpods Clip via the charging port.

The Airpods Clip is compatible with all Airpods (1/2/3) and Airpods Pro.

The Power Crown Airpods Clip is compatible with all Airpods (1/2/3) and Airpods Pro.


Yes, we offer free worldwide insured shipping on all orders.

All Nuclieus orders are shipped with DHL Express. Expected delivery time once shipped:

EU/UK: Overnight
USA: 2 business days
Middle East: 3 business days
Canada: 3-4 business days
Australia/NZ: 5-8 business days

Yes, we offer Priority Shipping on select models.

Please add your preferred Power Series to the cart and proceed to checkout. Once you have provided your Contact information, please proceed to the Shipping section where you will find all available shipping options.

Orders within the EU / UK are not subject to any additional duties / taxes.

Most Nuclieus orders are not subject to any additional duties. However, as duties are levied (if any) at the discretion of your country's import customs, we cannot provide an indication of the duty amount.

Rest assured, as part of the Nuclieus International Power Programme, we will share by covering half the duty amount that is levied on your order. You need to contact us within 2 days of paying the duties to request the duty coverage.

If you have any further questions regarding duties, please contact us on the Nuclieus Concierge (available 24/7) or send us an email.

The Nuclieus return policy is valid for 14 days since the day you receive the Power Series. If 14 days have gone by since you receive your Power Series, unfortunately, we can’t offer you a refund/exchange. To be eligible for a refund, the Power Series must be in the same condition that you received it. It must also be unused and in the original packaging.

1) Please contact the Nuclieus team regarding your return.

2) You will be asked to ship the Power Series to our headquarters in Antwerp, Belgium where certified agents will re-verify it's authenticity. We will send you an email to notify you that we have received your returned item. Nuclieus will not cover return shipping costs or any import duties that Nuclieus would have to incur to receive the Power Series. Please note Nuclieus will not refund any amounts paid for shipping when the order was placed.

3) Once certified authentic, your refund will be processed and a credit will automatically be applied to your credit card or original method of payment, within 5 working days. 

Please note: you should consider using a trackable shipping service or purchasing shipping insurance. In most cases, we can arrange for an insured shipping service. If you have any questions, please contact us and we will be happy to assist with your return. 

The price of each Power Series model is fixed in Euros (€). Due to exchange rate fluctuation, you may see small changes when prices are displayed in currencies other than Euros (€).


If you have any further questions, please contact us on the Nuclieus Concierge (available 24/7) or send us an email.