ElectronicsThe Keystone Electronics 1136 SMT DUAL BATTERY HOLDER is designed for use with two 18350 batteries. It features surface mount tabs for easy circuit board attachment, and is made of durable plastic that can withstand repeat rework. The battery holder also features a safety retainer to prevent accidental removal of the batteries and ensure electrical contacts are properly maintained. This holder allows for quick battery replacement without de-soldering and re-soldering, making it an ideal option for high-end electronics applications.