5V 2A 2.1A Power Bank Charger Module Charging Circuit Board Step Up Boost Power Supply Module USB Output 1A Input

Description

DC 5V 2A USB Power Bank Charge Module 18650 Battery Li-ion Lithium Cells Pack Charging PCB Circuit Board For Xiaomi Huawei

Output: DC5V/2A max, input DC5V/1A, for Android line interface 
Battery voltage: 3.7-4.2 lithium battery

Note: 
the battery must be in parallel rather than in series. Test voltage before installation. One bad battery will affect the whole group battery. Recognize the positive and negative. If you put them in the wrong position, mainboard IC will definitely be destroyed. To avoid damaging the motherboard, exposed part of the wiring must be wraped well

B- Negative  B+Positive

Size: 7.1×1.6cm/2.80×0.63inch 
Quantity: 1 Pc

Note: 
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid 
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Contents: 
1Pc x DC 5V 2A USB Power Bank Charge Module