Cell Battery (Power Bank, poverbank, pauerbank) - a device that allows the road charging smartphones, tablets and other electronics. Now pauerbanki are very popular and are sold on every corner. On sale you can find thousands of different models from very small, about the size of a bank card, to large with a capacity of more than 20,000 mAh. So which is best suitable for you?
Most pauerbankov based on Cylindrical Battery 18650 (18 mm - diameter, 65 mm - length) having a capacity of about 2600 mAh. On my photo is 3, 4 and 6th pauerbanki. In other custom installed flat lithium batteries, such as those that are in phones and tablets.
On most pauerbankov write milliamperchasah in capacitance (mAh). Many Chinese are nameless pauerbanki capacity is several times less than stated.
About how many actually gives energy pauerbank I described in the article "Conspiracy" producers pauerbankov: http://ammo1.livejournal.com/593200.html.
Many, choosing pauerbank believe that the greater the capacity, the better, not thinking about the fact that the greater the capacity, the pauerbank will be heavier and larger.
Choosing a mobile battery, it is worth considering why you need one. In my opinion, pauerbanki with a capacity greater than 5000 mAh need except tourists.
Flat pauerbanki with a capacity of 5000 mAh (for example, a great pauerbank Xiaomi 5000 mAh) - good all-purpose option: they are not very heavy (150 grams) and enough to fully charge the normal smartphone and a half or two times.
Pauerbank on one 18650 battery, capacity 2600 mAh - a great everyday option for the case when the smartphone will not live till evening. It weighs about 70 grams and provide an opportunity to charge a smartphone almost entirely.
But with all these pauerbankami, will have to wear more and a USB cable. If your phone is charging socket MicroUSB (which many smartphones All Android), as an emergency pauerbanka (when you need to leave the house and forget to charge your phone) pauerbank is perfect ultra-compact with an integrated charging cable and a capacity of about 1,500 mAh. It weighs less than 50 grams, takes up very little space and is able to charge a smartphone 40-60%. On my photo is the first and the second poverbanki. On the first I wrote - http://ammo1.livejournal.com/615414.html, About a second too soon to tell.
Of the many pauerbankov available to me (and I them have accumulated more than two dozen), I use only two - at 5000 mAh for travel, and a small flat 1500 mAh as an emergency.
© 2016 Alex Nadozhin
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