Author: William Laxson

By William Laxson, MRA Communications Committee Chair  Over the past 40 years, the chemistry used inside our rechargeable two-way radio batteries has undergone several major evolutions. In the 1970’s, nickle-cadmium batteries (NiCd) were widely used.  Then about 20 years ago, the industry began a shift to nickle-metalhydride (NiHM) batteries to reduce environmental pollution by the