SOLOSHOT3's battery life allows for 3.5 hours of use.
If you are using a 128 GB microSD card, you can record about 7-8 hours of high-definition footage. This means 1080p resolution or lower. Filming 4K resolution is about 1-1.5 hours.
Results will vary based on the file sizes, resolution, compression, bit rate, content, host device, and pre-loaded files.