FAQ

The ZKSCool cooler is designed for insulin and other temperature-sensitive medications that require stable cooling during travel or daily transport.

The cooler supports an adjustable temperature range from 36°F to 68°F / 2°C to 20°C.

Battery runtime is typically 5–8 hours depending on ambient temperature, target temperature, and usage conditions.

Yes. We recommend carrying your prescription or medication documentation when traveling.

Yes. The LCD screen provides a live temperature readout.

Shipping availability depends on your region and carrier availability during checkout.

Processing and delivery times vary by destination, carrier, customs clearance, and seasonality.

Yes. Tracking information is typically sent by email after the order ships.

Address changes may be possible before the order ships. Contact customer service as soon as possible.

Please contact customer support with photos of the packaging and product as soon as possible after delivery.

Returns may be accepted for eligible orders within the stated return window if the product is returned in acceptable condition.

Use the Customer Service section on the Contact page to submit a request.

Exchange availability depends on stock availability and product condition.

Original shipping fees may not be refundable depending on the reason for the return.

Orders placed through third-party retailers may need to follow that retailer’s return and refund policies.

Warranty coverage may vary by region, seller, and purchase source.

Use the Warranty Service section on the Contact page and provide your product number, order number, date purchased, and issue description.

Some customers may be eligible for a 2-year warranty extension request through the warranty form.

Damage caused by misuse, modification, water exposure, improper charging, or accidental damage may not be covered.

You can contact support through the Customer Service form, Warranty Service form, or General Inquiry email on the Contact page.