I have the same problem with the Sony A6000. The battery drains quickly, especially if wi-fi is turned on - I always use it in airplane mode. Another big problem is the batteries drain when not in use.
I charged everything up a while back, then didn’t use the camera for a couple of months. I then went out, the battery in the camera showed 20% and died after a couple of shots, swapped to 1st backup battery, 20%, swapped to 2nd backup, 20%… Now I make sure to rotate the batteries on a regular basis and keep them charged.
Yeah, I always try to make sure the battery is on the charger until I go out. These mirrorless cameras don’t seem to have much battery life, considering a dSLR can have over 1000 shots on one charge.
Here is a recent picture of Moraine lake at sunset from a trip to Banff National Park. I haven’t been taking many pictures due to being very cooped up a home but getting out to Banff was a very good way to get me out of my rut.