Can I power the light from an external USB power cord if I want to keep it on 500 lumen brightness all day? Will it overheat or anything at that brightness? And, what is the capacity (mAH) of the internal battery? Thanks.
This light is not designed to be operated which charging is in progress. The battery is 500mAh.
How long does the battery last in the highest setting?
1 hour in the 500 lumen hyper-bright mode. 1.5 hours in High and 3 hours in Low.