Frequently Asked Questions

Below are answers to the most common questions about ChargeGuard. If you don’t see your question here, feel free to contact us.

What is ChargeGuard?

ChargeGuard is a charge-only USB data blocker. It allows electrical power to pass through while physically blocking USB data pins, preventing any data transfer during charging.

Why is public USB charging risky?

USB ports are designed to carry both power and data. In public environments, you don’t control the charging source, and devices typically don’t warn users when data channels are active.

Does ChargeGuard slow down charging?

No. ChargeGuard does not affect charging speed. Power delivery functions normally.

Does ChargeGuard work with modern iPhones?

Yes. ChargeGuard includes a USB-C data blocker designed for iPhone 15 and newer models. Older iPhones work with the USB-A data blocker when used with a standard Lightning cable.

Does ChargeGuard work with Android devices?

Yes. ChargeGuard works with Android phones and tablets that charge via USB-A or USB-C.

Does it work with laptops and tablets?

Yes. ChargeGuard works with devices such as MacBooks, iPads, and other USB-charged laptops when used for charging.

Does ChargeGuard protect wireless charging?

No. ChargeGuard protects USB charging only. Wireless charging does not involve USB data transfer.

Can data still pass through ChargeGuard?

No. ChargeGuard physically blocks USB data pins, preventing any data transmission.

Does ChargeGuard require software or an app?

No. ChargeGuard is a passive hardware device. It requires no apps, software, permissions, or configuration.

Is ChargeGuard safe and legal to use?

Yes. ChargeGuard complies with USB standards and functions as a charge-only adapter. It is safe and legal to use.

When should I use ChargeGuard?

Use ChargeGuard whenever you charge your device using a USB port you don’t control, such as in airports, hotels, cafés, rental cars, or public charging stations.

What’s included in the box?

Each ChargeGuard kit includes both a USB-A data blocker and a USB-C data blocker, covering older and modern devices.

What is your return policy?

We offer a 30-day satisfaction guarantee. If ChargeGuard isn’t right for you, contact us within 30 days for a return.

Still have questions? Contact us and we’ll be happy to help.