Hitting the rough outback tracks? Your trusty UHF radio is your lifeline out there. But when those batteries die, you're in a pickle. That's why carrying spare power packs is vital.
A couple of quick battery swaps https://albertkmnc799037.pointblog.net/power-up-your-outback-adventure-uhf-radio-battery-swaps-for-aussie-campers-83176628