Costco accepts most returns without time limits, though there are some exceptions. Electronics have a 90-day return window. Cigarettes and alcohol may not be returned where it’s against the law. Airline and live performance event items, ticket items, precious metals, Shop Cards and gift cards are not returnable.

Some of the recently recalled power bank models contain potentially faulty lithium-ion battery cells, manufacturer Anker Innovations said.

The retail chain is warning customers of several items being recalled because they may pose a hazard, including AC units that may grow mold.