Special Features:

0battery charger for use with nicad type 7.5 volt rechargeable batteries only, light on indicates charger is ready to charge the battery, battery charging time should be between 12 to 14 hours, for use with romet speech-aid electronic larynx

Properties:

A device consisting of one or more components utilizing an alternating or direct current source to reactivate batteries in which reversible chemical reactions occur. Use only for devices containing resistors, metallic, or electronic type rectifiers or vibrators and which are specifically designed for the purpose of charging batteries. May include filters, meters, load contactor and alarm circuits. Includes battery charging switchboards which are supplied with integral or external means of rectification.