• Support external buttons, connect the button to the K point and the output negative pole, short press to turn on the power display and turn on the 5V output, two short presses in a row will turn off the power display and turn off the 5V output.
• When the voltage drops below 4.1V, the charging cycle restarts. When the voltage is lower than 2.8V, the will be precharged with a current of 180mA.
• The output will be turned off when the load current is continuously less than 50mA. Support charging and discharging.
• When the charging current drops to 100mA after reaching the final float voltage, the charging cycle will be automatically terminated.
• The USB-A female socket welding position is provided on the back of the product, and the female socket can be installed manually.