Other name: Portable Power Bank, eg.: what is the power bank(battery chagrer)

      A Power bank charger is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.The charging protocol depends on the size and type of the battery energy being charged. 
      Power Bank Charger's battery types have high tolerance for overcharging and can be recharged by connection to a constant voltage source or a constant current source; simple Power Bank battery chargers of this type require manual disconnection at the end of the charge cycle, or may have a timer to cut off charging current at a fixed time.
     Other power bank charger's battery types cannot withstand long high-rate over-charging; the portable power bank charger may have temperature or voltage sensing circuits and a microprocessor controller to adjust the charging current, and cut off at the end of charge. 
      A trickle charger provides a relatively small amount of current, only enough to counteract self-discharge of a battery that is idle for a long time. Slow battery chargers may take several hours to complete a charge; high-rate chargers may restore most capacity within minutes or less than an hour, but generally require monitoring of the battery to protect it from overcharge. Electric energy vehicles need high-rate chargers for public access; Installation of such  Power Bank Chargers and the distribution support for them is an issue in the proposed adoption of smart electric cars.

Why the Powerbank Charger is a necessary Accessory

Portable Power bank charger is a USB charger, which is also portable and is great for charging devices such as android phones, iPad, iPod, GPS systems and any other portable devices that need 5 volts or less. This charger is easy to use as all you need to do is plug the USB to the backup charger and then plug it into your device. The charger allows you to two electronic devices all at the same time. This means that you will be in a position to save a great deal of time when charging your devices. The backup charger also ensures that your devices can last longer way beyond the capability of their original batteries. 

With the portable power bank charger, it is quite possible to totally replenish an iPod or iPad that is replenished in about full time; 

All you have to do is connect the portable power bank charger with USB/micro-USB cable that comes with the battery to the computer’s USB port; alternatively, it can be recharged using the Apple/compatible wall charger. As the battery charges, four LED’s that are cobalt blue in color flash one by one and the moment, it becomes fully charged the flashes remain solid. You also have the ability to check the remaining capacity throughout the day at any given time and all you have to do is press the power button and get a quick LED reading. The unit powers off automatically if no load is detected within a 30-second period. 

The Portable power bank chargers use lithium-ion battery is just about the size of an iPhone and it comes in a polycarbonate case that is black in color and features an elegant and smooth finish. It only weighs about  handy. It also comes in a package that includes the battery, the USB cable and micro-USB cable, as well as an instruction manual. 

This portable power bank charger is a must have if you are to avoid the inconvenience of failing to communicate with your friends and loved ones as a consequence of lack of charge in any of your devices. 

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