How long will the built-in battery last? Hollyland Tech December 25, 2020 09:22 Updated The built-in 1300mAh battery lasts around 1-1.5 hours, The actual battery life also depends on the mobile devices connected to the system, and the transmission range during the shoot. The device supports 5v~12v Type-C charging, including power banks, while it is being used on a setup. Related articles How to power on the device ? How long will the battery last ？ what is the MARS X wireless transmission range？ How to connect the MARS X to APP? How to set them up when multiple sets of MARS 400S Pro are used at the same location? MARS 400S Guidance With Panasonic GH4 Comments 0 comments Article is closed for comments.