Mạch Sạc Pin Điện Thoại 5V 2A

Dual USB 5V 2A Mobile Power Bank Charger  Module 
4 level LED lights display power, intelligent automatic shutdown in non-working state;
 Built-in lithium battery protection IC with overcurrent, overvoltage and undervoltage protection;
Dual USB output;
 motherboard size: thickness 8mm * width 32mm * length 69mm.
Basic product parameters:
Input port: MicroUSB (Android port)
Input requirements: 5V constant voltage power supply can be used as charging input power, the most suitable charger is 5V1A or above
Output port: USB
Output parameter: 5V1A/5V2A

Rechargeable battery requirements:
Available battery: 18650 battery, mobile phone battery, flat battery, MP3 battery, etc. 3.7V-4.2V polymer lithium battery, can be powered by single section (chip), or multi-section (chip) parallel power supply (does not support series, can not be connected in series ). (Note: increase the capacity in parallel, increase the voltage in series, can only be used in parallel!)
Can connect 2-6 knots of 18650 batteries in parallel! ! !
Unavailable battery: dry battery, battery, 1.2V rechargeable battery, nickel hydrogen battery, 3.2V iron lithium polymer lithium battery.
 
Pay attention to the following points when installing the product:
1, the battery should be connected in parallel, the voltage should work between 3.2-4.2V, 18650 flat head and polymer battery can be;
2, the battery is connected to the motherboard B + negative connection B-, installed anti-will burn the motherboard;
3, the old and new batteries, model brands are inconsistent batteries can not be mixed.