The majority of players professional testing, with ultra-high efficiency, low loss characteristics, perfect beyond lm2596 power module; This module has USB recognition.
The IN- (input negative), IN + (positive input), OUT- (negative output), and OUT + (positive output) indicated on the module must be connected correctly.
The power module input voltage 7V to 24V output voltage 5.01V, 2.5A continuous peak output 4A output!
3A can provide continuous load current.
Failure to do so may result in damage to the module.