Motorola two way radio batteries are "Proven Tough" and designed to last. All Motorola batteries have to pass an Accelerated Life Testing (ALT) process that simulates five years of product use. Two way radio batteries are the livelihood of your walkie talkie. Motorola designs, engineers and manufactures its two way radio batteries to withstand the toughest work environments. That is why CommUSA recommends Motorola two way radio batteries for our Motorola two way radios. If you have any questions on two way radio batteries, call us at (800) 338-1949.