According to the picture the battery was very low. Did you charge it since then?
But sorry then I am not expert enough to help here. The ultimate expert @Gordon is in vacation right now (http://forum.espruino.com/conversations/376356/#comment16540081), but hopefully somebody else has advice earlier.
@Mi started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
According to the picture the battery was very low. Did you charge it since then?
But sorry then I am not expert enough to help here.
The ultimate expert @Gordon is in vacation right now (http://forum.espruino.com/conversations/376356/#comment16540081),
but hopefully somebody else has advice earlier.