Top Best 5 Cheap battery usb charger for sale 2016 (Review)

1. Anker PowerCore+ mini 3350mAh Lipstick-Sized Portable Charger (3rd Generation, Premium Aluminum Power Bank) One of the Most Compact External Batteries, Uses Panasonic Cells (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
The Anker Advantage: Join the 10 million+ powered by our leading technologyHigh-speed Charging Technology: PowerIQ detects your device to deliver its fastest possible charge speed up to 1 amp

2. External Battery RAVPower 16750mAh Portable Charger Power Bank 4.5A Dual USB Output (iSmart Technology) Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
POWERFUL & STABILIZED 4.5A OUTPUT: Highest output in the market, featuring a 4.5A total output capable of simultaneously charging 2 tablets, making it faster and more powerful than the rest.EXCLUSIVE ISMART TECHNOLOGY: Charge faster and smarter than others, automatically detects and delivers the optimal charging current for any connected device- ensuring the fastest and most efficient charge.

3. Duracell Instant USB Charger/Includes Universal Cable with USB & mini USB, 1 Count (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Fits any mini USB powered device. Also works with Apple & micro USB device cords with USB tip.Up to 3 hours of back-up cell phone power. Up to 50 hours of music playback.

4. Portable Charger RAVPower 22000mAh 5.8A Output 3-Port Power Bank External Battery Pack (2.4A Input, Triple iSmart 2.0 USB Ports, High-density Li-polymer Battery) For iPhone 7, 7 Plus and more- Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
HIGHEST OUTPUT FOR 3 CHARGING DEVICES: 3 USB ports for a total current output of 5.8A (2.4A max per port). The Power Bank can charge two iPads and one iPhone 6s at once at their optimal charging speed with the iSmart 2.0 technology.WEEKLONG 22000mAh: Charge your iPhone 7 about 8 times, iPhone 7 plus over 5 times, iPhone 6s up to 9 times, a Galaxy S7 up to 5 times, or an iPad Mini more than 3 times with a massive 22000mAh capacity. Save up to 60% of charging time thanks to its 5V / 2.4A input.

5. PortaPow AA + AAA USB Battery Charger and Power Bank for Mobile Devices (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Insert 4 AA rechargeable or disposable batteries and charge any device which can be powered from a USB socket.Charge 2 or 4 AA or AAA rechargeable batteries from any USB socket.