In this modern age we all use various electronic devices on day to day basis and one of them is mobile phones, smart phones, tablets.
The problem with these powerful devices is that it consumes lot of power energy. They all could drain their batteries in such short time. And without energy, these expensive devices are fully useless.
To overcome this problem where direct charging is not available from direct home AC line, the power bank is the only and one solution regarding this trouble.
To buy a power bank, some important factors we should must keep on brain and mind-
Capacity over the portability will be the first factor here- Search a power bank with sufficient power capacity. Make sure to know how much mAh means milliampere-per hour your phone device has, because if you should purchase a power babk with the same mAh as the mAh your device has, it will only be able to charge your device just once.
If you buy a power bank with a higher mAh, it will be able to charge your device for more than one times. More capacity of the power bank will more expensive and heavier.
Compatible input/output current is other imporwant factor- Another thing is Make sure to purchase a battery with an output current that is compatible with your devices, or gives off a higher output than your devices to prevent slow charging as well.
Short circuit protection is the another technical factor here- Power bank should be protected from damaged which happen due to short circuit. But if the powerbank comes with short circuit protection than you don’t need to worry about it damaging due to short circuit, because it will detect the short circuit automatically and will discharge ownself.
Battery types and Ports or USB can be the other thing- Commonly used power bank comes with USB and micro-USB ports that charged by data cable, But in this time newer power bank coming called solar power bank charged by solar power instead of current.
There are two type of cells Lithium ion and Lithium polymar. Lithium ion are cheaper than the Lithium polymar but as compared to Lithium ion Lithium polymar charging capability is more and safer. Multiple ports can make power banks costly. Built-in USB’s and lightening cables are being included in power banks. Multiple ports are expensive, but if you have multiple devices, multiple ports are needed for you by which you can charge more device at a time.
Over charge protection quality is another important thing- Sometimes you forget to shut off the power bank after in plugging in and due to over charging it is started damaging. But if your charger is comes with over charge protection than the battery will not be charged after a certain level of safe charging even it is plugged in.
Quality over the pricing is the last factor here- If you have low budget or do not need much efficiency than you can purchase a power bank with Lithium ion battery otherwise for the fast charging and more safety you can go for Lithium polymar battery powerbank.
Do your own research on the company and battery and the technical capacity before buying.