WELCH ALLYN 72200 Rechargeable Battery 3.5V – 4111

The Welch Allyn 4111 is a 3.5V rechargeable battery designed for Welch Allyn otoscopes, ophthalmoscopes, and other handheld diagnostic instruments. It serves as a power source for portable examination devices used in clinical and field settings. The battery is recharged via the corresponding Welch Allyn charging system and is intended for repeated use across multiple patient encounters.