Add to Cart Quick view WELCH ALLYN Welch Allyn 72200 OTOSCOPE REPLACEMENT RECHARGEABLE BATTERY 3.5V CA $76.12 Medical Battery Replaces Welch Allyn 72200 11720 18100 NiCD Brand new, unused item! BIAF Assembly Cells > NiCD WA 72200 EA/1 OTOSCOPE REPLACEMENT RECHARGEABLE BATTERY 3.5V Add to Cart Add to Wishlist