Description
This is a mobile power bank charger board with a step up module and double USB output. It has a 4 LED display to show battery capacity and offers protection against overcharging, overcurrent, overdischarging, high temperature, and electric leakage. The input is through a micro USB interface and the output includes a 5V 1A USB female port and a 5V 2.1A USB female port. The battery must be connected correctly to avoid damage to the module. The size is 72*26*10mm and the conversion rate is at least 85%. The charger can be activated by pressing a switch and will automatically stop output when the battery is fully discharged.
Description
Mobile Power Charger Board Step Up Module Double USB Output LED Display
Product Introduction:
1.Input:micro USB interface 5V 1A
2.Output:USB female port 1 5V 1A;USB female port 2 5V 2.1A
3.Function:double USB output
4.Display:4 LEDs to display battery capacity
5.Protection:overcharging protection,overcurrent protection,overdischarging protection,high temperature protection,electric leakage protection
6.Battery positive connects with chip B+,battery negative connects with B .Please notice that don't transposition,or it will cause great damage to the module
7.Size:72*26*10mm
8.Conversion Rate:>=85%
9.Press switch,the indicator light will be on,and it will start to charge;when the bettery is fully discharged,it will stop output automatically
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