The camera tool will that the firmware in the camera is up to date, if you download the newest camera software online and the corresponding firmware is already in the camera. As far as I know, there is way to figure out the version of the firmware installed. Therefore, always make sure you are using the latest camera software from the BM website. This way, you will avoid unintentional downgrading (as I did

As to the battery: the values are sometimes relatively "confusing". After charging and discharging the battery several times (it should reach it's full capacity then), things might get a little bit better. From experience: The battery should last 30-60 minutes, depending on your consumption (recording time, display brightness, etc.) when fully charged at full capacity. But do not expect exact percentage values until (hopefully/maybe) the next firmware upgrade
