Introducing our button cell battery holder - a practical and versatile solution for storing your AG0 to AG13 batteries. Designed with an outer diameter of 14mm, these tubes can be easily stored alongside your AA batteries in the same storage box. The AG7, AG8, AG12, and AG13 tubes are slightly larger at 16mm. With this holder, you can keep your batteries organized and easily accessible, whether at home or on-the-go.