Power bank case suitable for Max 5 piece lithium ion battery of 18650 model no.
You can select battery also if want. Circuit has 3 USB port and one charging port of Type B.
You can use 5, 3000 mah battery to make 15000 mah power bank or 5 pcs 3000 mah battery to make 15000 mah battery. Circuit has indication of 4 led. 1 USB port is 2.1A and other is 1A rated.
Package Include-
1 X power bank case+circuit
Battery not include
2USB Display Mobile Power Bank Casing with fast Mobile Charging Circuit
To make the Power Bank You need to solder the battery with the Circuit. All positive terminal of battery connected in a same line and with the circuit positive. Same for negative lines.
Plz go through the video link for full details of how to make the Power Bank.
Click on this link to check Out the Video - https://youtu.be/oJbb8p6B0X8
