LED Dual USB 5V 2.1A Micro USB Input Power Bank 18650 Battery Charger Board Overcharge Overdischarge Short Circuit Prote

Specifications Allowed 0V change YesDual output current 5V 1A 2 1AInput voltage B to B 3 0 4 2VCharging cable Micro USB Input and Dual USB outputButton function Press and hold the button after standby the LED digital screen displays the powerSize 6 8 2 3 0 1cm LED Indicator Display The LED digital screen displays the current battery charge while charging When discharging the LED digital screen displays the current power and the display is saved in about 30 seconds double click the button to resume display The system will provide an accurate battery indication after a complete charge and discharge Prevent Overcharge Protection Detection voltage 4 200 05VRelease voltage 4 1000 05VDetection delay time 200 ms Prevent Overdischarge Protection Detection voltage 3 00 10VRelease voltage 3 100 10VDetection delay time 100 ms Short Circuit Protection Short detection delay time 50SRelease Conditions Cut off load Normal Current Consumption Normal current consumption of PCM Max 60AStanby current consumption Max 50A Suggest Working Conditions Max continuous charge discharge current 1 5 2 4ASuggest working temperature 5 45℃Note 1 The positive pole of the battery is connected to B and the negative pole is connected to B do not reverse it If it is reversed it will burn out 2 This module is a portable backup power supply with an input that matches the 5 0V adapter to charge the internal battery Use built in battery for portable device to provide 5 0V 3 0A