This high-quality 3.5V Ni-Cad rechargeable replacement battery is perfect for Welch Allyn Power Handles. It is designed for medical laboratory use and is ideal for those in the healthcare, lab, and dental field. The battery is specifically created for medical batteries and is intended to provide long-lasting power for your devices. With its advanced technology and reliable performance, this battery is a must-have for anyone who needs a reliable and long-lasting power source. It is compatible with a wide range of devices and is perfect for use in medical laboratories. This battery is the perfect choice for those who need a replacement battery for their Welch Allyn Power Handles. New.