Features: fully charged battery 4500mAh easily will load twice a Galaxy S2 (1650mAh) to 100%, or 75% of Galaxy Tab2 7 "(4000mAh) The package insert says that the internal charging system. the battery consumes 25% of autonomy.
Operation: 4 LEDs indicating the level of charge / discharge will be read without too much difficulty. Not even need to read the manual to understand the operation: the current level is that of the LED flashing. Self-power will be appreciated On / Off
Aesthetics: Very compact (126x64x10mm, barely larger than a Iphone4) battery easily slip behind the smartphone being loaded without much inconvenience in use. Especially using the integrated micro USB cable. The finish is more than good with a matte black. this will make the battery more discrete in use.
In short, lAnker® Astro SLIM2 4500 mAh will find its use with our mobile devices without cables to overload us / adapters