As it says is a 5-mode driver supplying arround 1A of current.
It works fine from 3,7 to maximum stated voltage. It does not work properly with voltages lower than 3,7V.
On flashlights with one LiIon cell it will dim as long as the battery voltage falls bellow 3,7V. The soldering quality is not the best but I can live with this. Is good enough to make ... Read more
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