"Super fast charging battery" that can be charged in 10 minutes appeared, even if you forget to charge the day before, no problem

Because it takes time to charge mobile phones, it seems that there are many people who wake up in the morning and remember to forget to charge on the previous day, although there seems to be many people who will become blue, but can charge in 10 minutes " (Chopsticks) Charging Battery 」CEATEC JAPAN 2011It was exhibited at.

NTT Docomo's "ultra fast charging battery" booth


"The battery jacket can be charged in 10 minutes before going out" is the technology of this time "ultra fast charging battery".


This is a super fast charging jacket.


In the positioning as a smartphone case, first charging the ultra-fast charging jacket in ten minutes, then charging the smartphone from there at normal speed ... and so on.


Left side


right side


Power supply terminal to smartphone


Comparison with normal charging


The upper figure shows the current measured at ultra fast charging is 5.71 A (5710 mA). It means that about ten times the current is flowing compared to the normal charging below (measured 0.54 A, 540 mA).


It is a reason to adopt a jacket instead of directly charging the main body, but it is cited that it is not possible to flow such a large amount of current into a normal microUSB cable.


Although there are demerits such as bulky as much as you need a jacket, people who feel the merit in terms of "being able to charge in 10 minutes" should never be few. Since it is nowadays that we often hear the voice saying "batteries are gone" as they move to smartphones, it is a place where we want users to start moving toward productization in an easy-to-use form.

CEATEC JAPAN 2011 NTT DoCoMo Special Site