This power bank can be used for charging smartphones.
Mobile battery power bank circuit diagram.
Oct 31 2017 this power bank circuit pcb board has two main parts one is power bank battery charging circuit which is made by using tp4056 and second is dc to dc boost converter part which is made by using xl6009.
And if thety often use mobile phones.
Red color led indicates the battery charging in this power bank circuit blue color led indicates the charge complete charging the mobile phone with this power bank.
When we need to take the mobile phone to the outdoors that no electrical outlet.
This power bank circuit uses two integrated modules and a lithium ion battery.
Circuit diagram of the power bank is shown in fig.
When electricity outlet to plug in to recharge a battery.
Connect the usb to micro b cable to the output of boost converter.
Circuit and working for power bank.
The power banks are additional power source and it ensures the power backups when we travel or in emergency situations.
The power is stored in power ban by charging and it can be used when you need in any power bank a battery or combination of some small special batteries cells used to produce the power source to provide for mobile or other electronic gadgets battery charging.
It uses a low dropout voltage high efficiency lm1086.
The mobile phones battery starts to get charge from the power bank.
To backup energy when need a portable mobile phone.
This is power bank mobile charger circuit project.
The first module is a lithium ion battery charger and the second is a dc dc boost converter module.