This beautiful external battery, the casing is metallic aluminum, in my case Anodized gold - although it is also available in silver tone - and the two short sides of white plastic, with rounded edges. It is small in size and especially narrow. At the top is the name of the brand and base capacity 4000 mAh 3.7v.
It comes in a nice box of gray, with a flat cable also gray, 20 cm, USB to microUSB and brief instructions in English, along with the warranty.
On one side it has two USB connections in between the microUSB connection, and on one side is a button on / off switch and four diodes below. In USB charging mouth which is near the load diodes 1 ampere, while the other load to 2.1 amperes, being therefore is faster
It has four diodes that indicate the charge level. When it is between 0-25% every blink, when it is between 25-50% looks blink first and the other three; 50-75% between the first two and look flash the other two and between 75-95% look three flashes last. When fully charged the four look.
To make it load just have to enter the USB connection cable into the port on a computer and microUSB on drums. It is convenient to charge 100% before you start using it.
To turn you have to press the button on gold-colored round side, and see how the corresponding LEDs light, if you do not use it off in a minute.
To load a device you hook the cable into the USB connection on the battery and connect the microUSB connection to your phone or tablet.
When you are loading a device or two, if they look all is 100%, if you only look three 75-95%, if you do two 50-75% and if one only looks less than 25-50%, when going to download one LED flashes. It is discharged when they are all off.
From my point of view is an attractive battery, with an elegant presentation and good charging indications thanks to its four blue LEDs, which can easily carry in your purse or pocket thanks to its small size and low weight. I think it's a good accessory for you or to make an original gift
Specifications,
Lithium polymer battery
Output current 2100 mA. With a voltage of 5 volts
Charging current 1000 mA. 5 volts
It can be purchased in Amazon.es
Price, 13,99 euros
source:https://www.amazon.es/gp/product/B01BVAHDCU
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