[useless_foghorn]

Garmin's Enduro 3 claims 13.3 days[1] of continuous GPS tracking with solar recharge and is tested to have 5 continuous days without[2].

[1] https://www8.garmin.com/manuals/webhelp/GUID-7AD1A592-9044-4... [2] https://www.outdoorgearlab.com/reviews/camping-and-hiking/gp...