4Pcs AAA to AA Size Cell Battery Box Converter Batteries Holder Plastic Case Adapter Switcher for AAA to AA Battery

This product is a set of 4 plastic case converters that allow AAA batteries to be used in devices designed for AA batteries. The converter holders are used to switch the size of the battery from AAA to AA, making it convenient for users to use AAA batteries in devices that require AA batteries. The converters are made of durable plastic material and are suitable for holding 4 AAA batteries each. This product provides a cost-effective solution for users who want to use AAA batteries in devices that only support AA batteries.