great usb battery packs for 2015 - home battery pack

I wrote great USB battery packs a year and a half ago and they were great for 2013.
Larger capacity, smaller size and lower cost for newer models (
Not always three though).
If you buy an external battery on the market, or buy the first one, or change the old one, here are some great batteries to look.
Before we start, if you want to get a deeper understanding of the technology of travel (or travel tech)
Use technology to view outTravel more intelligently, 10 tips for traveling with a smartphone, is the travel SIM card worth it?
Pay in local or national currency?
, 5 myths about traveling with Techand my favorite travel gear.
Remember something when you shop (
Or read this article).
The two most important numbers on any USB battery pack are "mAh" and "amps ".
Overall storage capacity (the “gas” tank)
The capacity of the battery is in mAh or milliamperes.
From this perspective, the most important thing is that
Terminal mobile phone 2,500-3,500 mAh.
So 10,000 of the battery can charge your phone. 4 times.
AMPs are the speed at which the battery sends juice to the phone.
Higher and better. A 2.
0 amp output is much faster than 1 charge. 0.
If the battery you are considering does not specify its output rating, assume it is 1. 0 or less.
If you have a high
Power devices such as tablets or USB-
Rechargeable laptop, you need more than 2.
0 if you want to use this device, charge at the same time.
The Limefuel burst L156X, which is the largest Wirecutter at present, took over.
It has 15,600 mAh and four USB outputs (
Charge 4 devices at a time). It has two 2. 4 amp outputs.
$35, only $4. 8 x 3. 1 x 0. 9. Limefuel.
ComAnker Astro3 and Astro E4 I have been with the old version of 3 for over a year.
It has endured abuse very well.
Like most other options here, there are a number of capacities to choose from.
Astro3 has 12,800 mAh for $40.
Output only 2A (
Although it can do this from two out of 4 outputs).
E4 outputs 3A but only two USB outputs.
The 13,000 mAh version is $30. iAnker.
The best-selling USB battery pack for Amazon is the different Anker, the Astro Mini.
Because of its size, it is the "lipstick" category of the battery.
It can hold 3,200 mAh for just $12, enough for most phones to charge at once.
However, it only outputs 1 amp.
Wirecutter likes another small bag. iAnker.
ComiWalk iWalk Extreme trio favorite trio of Digital Trends.
The price of 10,000 is $80, but it is very convenient with two built-in cables.
One is micro usb and the other is lightning.
It also allows you to charge it while charging other devices, and most people won't let you do that. iWalkUSA.
CNET likes Zendure A5 if you want to go to the real core.
It has 15,000 mAh and 2. 1 amp output.
Its trick is its sturdy "anti-extrusion composite, double
Injection molding and impact-
Absorb the central belt ".
It's not very big either, at 5x2. 8 x 1 and 11. 4 oz (320g). Zendure.