If it ain't broken, don't fix it
EDACS posted an answer for this Uniden GMR-325/2 2-Way Radio Walkie Talkie Dual Pack:
"Bad transmitter, you might need to get a new set."
EDACS posted an answer for this Kenwood ProTalk XLS TK-3131 (15 Channels) 2-Way Radio:
"Agent Ken is right, 2-ways do use a lot of power just to transmit. But the battery isn't..."