Replacing the pack with rechargable AA batteries will more than double the battery life, but you lose the ability to recharge via the micro USB port. Luckily this is easy to fix: all you need is foil and scotch tape, and 3 NiMH rechargable AA’s. 1. Remove supplied battery pack from compartment and set aside. 2.
https://www.amazon.com/Motorola-T260-Talkabout-Radio-Pack/dp/B01DM7AEY4

