- Size (LWH): 3.43 inches, 0.83 inches, 1.56 inches
- Weight: 1.28 ounces
CHOETECH CHOE-42B 51W 4 Port USB Car Charger with Auto Detect Technology for Smartphones and Tablets - Black (Qualcomm Certified)
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- Fast: Qualcomm Quick Charge 2.0 Technology reduces the charging time by up to 75%
- Powerful:Total power 51W 4 port (Auto detected charging port 5V/2.4A*3+Adaptive fast charging port 15W) for this multi port USB car charger
- Smart: With auto detect technology, which could automatically recognize your devices and is compatible with most of electronic devices
- Adaptive Fast Charging: Especially match with Samsung Galaxy S6 Edge+/Note 5/ S6 / S6 Edge,HTC M9, Nexus 6,HTC Butterfly 2/HTC One M8,Moto X,Galaxy Note 4/Note Edge,Sharp Aquos Zeta/Aquos Tab, Sony Xperia Z2/Z3/Z3 Compact/Z2 Tablet/Z3 Tablet Compact, Xiaomi 3/4
- Safe: Over-current, over-charging, short-circuit protection will make the charge safely, without any risk of overheating or damaging your devices
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CHOE Multi Port USB Car Charger
Fast and Powerful
Total power 51W output for this multi port USB car charger; With Qualcomm Quick Charge 2.0 Technology, which could reduce the charging time up to 75%
With 4 USB ports and 51 watts output for this car charger, it will reduce the clutter of tangled cords and chargers, and it's perfectly-sized for car journey.
Light and compact
The car charger (3.41*1.77*0.83in /43g),you could charge any other device that charged with USB cord with this handy, convenient USB charger
Auto Detect Technology
Detects your device. Delivers the fastest charge. Auto amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.
Sophisticated circuit design with over-heated, over-current, over-charging protection. Built-in automatic protective fuse giving you a guarantee of security.
we believe in our products. This is why we back them all with a 12-month warranty
1.The exclusive charging port support Qualcomm Quick Charge 2.0 Technology, other three charging port with Auto Detect Technology
2. Please use the USB charging cable that came with package
3. Quick charge for Samsung Galaxy Note 5/S6 Edge+/S6 / S6 Edge,HTC M9,Nexus 6,HTC Butterfly 2/HTC One M8,Moto X,Galaxy Note 4/Note Edge,
Sharp Aquos Zeta/Aquos Tab,Sony Xperia Z2/Z3/Z3 Compact/Z2 Tablet/Z3 Tablet Compact
4. Apple items DO NOT support Qualcomm Quick Charge 2.0 Technology
1 x CHOETECH 51W multi port USB car charger;1X User Manual;1X USB Charging Cable
Top Customer Reviews
There are two ways to push more power, increasing the current and increasing the voltage. The problem is that when you increase the current with many USB cables and with the micro USB connector is that the voltage will sag due to resistance across the cable and connector. Increasing the voltage, on the other hand, solves that problem but introduces a new one. Most USB devices are designed to handle 5v for USB since that is the USB standard unless they signal supporting the Qualcomm Quickcharge 2.0 mode.
Qualcomm introduced their Quickcharge 2.0 mode for charging in which the voltage is boosted from the initial 5v to a higher voltage to speed up charging along with higher current. (Motorola calls this Turbo mode).
I also recommend using Anker USB cables since I discovered with my Nexus 7 (2012) the only way I could get it to charge at over 1A was to use Anker cables. None of the dozen or so other cables I had would charge at even 1A, including the stock one that came with it!
When I saw this car charger that supported Qualcomm's Quickcharge 2.0 mode I knew I needed to try it out with my new phone. I was somewhat hesitant at first about hooking up other devices when the turbo mode was active since most inexpensive car chargers are not very good at keeping the individual ports separate. I was quite pleased to see that that was not the case with this charger, so that while it boosted the voltage going to my phone it did not change the voltage going to other devices. Furthermore, my other Android devices seem to charge just fine and quite fast with this charger without requiring me to hack the charger to make it follow the USB standard and be Android compatible (via a dab of solder). My old Samsung Verizon Galaxy Nexus phone was very finicky about this and would not charge beyond 500ma with the Apple compatible chargers.
I was pleased to see with my USB monitor that the voltage was indeed boosted only for the port where my Nexus 6 was plugged in and my phone charged quite quickly. Having 4 USB connectors is also a big plus for me since I tend to have other USB devices charging in my car like portable phone charger batteries and my tablet. I used to carry all sorts of crap around so I could charge more than two devices at once. I was able to empty all of that out of my car.
I have not yet tried it where my phone is well discharged to see how warm it gets and so far I have only seen the voltage boosted to 9v so I do not yet know if it will up to 12v. Even if it hits 12v I'm not sure my USB monitor will handle that very well.
The next boost for USB charging will come when USB 3.1 is adopted. USB 3.1 will support 12 and 20v charging at up to 5A but this will likely be at least a year or two before it takes off.
Their response to me was a but fuzzy, but based on the pictures now shown on the Amazon listing for the device, they have apparently added those markings, including the Qualcomm icon to the charger, so I'm now more confident in the product.
Most Recent Customer Reviews
Choetech was kind enough to ship me a replacement charger after reading my original review, below.