PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices – Black

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PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices – Black

PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices - Black

  • PowerGen Power-U Dual Port USB Car Charger charges your iPad, iPhone, iPod, HTC, Blackberry, MP3 Players, Digital Cameras, PDAs, Mobile Phones
  • Use your existing USB charging cables to charge most USB powered devices / Easy-to-see LED confirms whether USB charger is properly connected
  • Dual Port Design, one 2.4 Ampere port for iPAD and one 1 Ampere port for Mobile phones or other devices.

The PowerGen 2.4Amps / 12W Dual Port USB In Car charger charges TWO of electronic devices at once, eg. iPad, iPhone, iPod, MP3 Players, Digital Cameras, PDAs, Mobile Phones and other devices. It is compact with high quality finish and comes with full 1 year limited warranty.

Compatible Models:
MP3 players, ipods, iphone 4s, iphone 4s, iphone 3G, Apple iPad, Mobile phones, PDA, GPS, MP4, Portable wifi, Amazon Kindle fire / DX and other kindles.
USB Port 1 (labeled as A, Designed for Apple products) Compatibility
iPad @ 2 Ampere Max.
iPhone / iPod Touch @ 1 Ampere Max.
Others phones / GPS / Tablet etc. @ 0.5 to 1 Ampere Max. (May not support charging of some devices)
USB Port 2 (labeled as S, designed for non apple products) Compatibility
iPhone / iPod Touch @ 0.5 Ampere Max.
Others Android phones / GPS / Tablet etc. @ 1 to 2 Ampere Max.
NOTE: Currently known support tablets: Amazon Kindle Fire & all other Kindle

List Price: $ 19.99

Price: $ 6.97

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Originally posted 2015-10-04 03:43:33. Republished by Blog Post Promoter

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3 thoughts on “PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices – Black

  1. 1,599 of 1,655 people found the following review helpful
    4.0 out of 5 stars
    Amperage claims a bit deceptive, January 28, 2012
    By 
    K. Crawford (Roseville, CA United States) –
    (REAL NAME)
      

    Amazon Verified Purchase(What’s this?)

    This product has two major issues:

    1. While it’s description claims it has a 2 Amp port and a 1 Amp port, the reality is that it has bridged the two ports and it can only source 2 Amps total. It is not capable of delivering 3 Amps combined like the description implicitly claims and could never simultaneously charge an iPad and a smart phone. (UPDATE: The technical details section now indicates more clearly the 2A total, which is appreciated.)

    2. The 2 Amp port appears to be using the Apple protocol for USB power, so that port will only provide 0.5 Amps to most other devices.

    The upside of this is the 1 Amp port somewhat over delivers, and can source 2 Amps if nothing else is connected and 1.5 Amps if the 2 Amp port is sourcing 0.5 Amps for a non-Apple device. Thus this product can support one-high power non-Apple device (in the 1 Amp port) and one lower power device (in the 2 Amp port).

    Now some more background/details…

    First, a little background on USB charging for those who don’t know:

    The USB power spec is for 0.5 Amps at 5 Volts… or 2.5 Watts. This was great up until the last couple years when devices have gotten really power hungry, particularly smartphones and tablets and to a lesser extent dedicated GPS’s. Some of these devices use over 2 Amps, particularly the tablets like the iPad (or in my case the HP Touchpad).

    Manufacturers of these devices therefore had a dilemma. If they had their devices pull more than 0.5 Amps, they risked damaging the power source, which could be a computer, that was only prepared to source 0.5 Amps. Thus the manufacturers have used tricks to determine whether their device is connected to an unknown source, at which point they purposely only draw 0.5 Amps, or to the dedicated charger that was provided with the device, where they can draw all the power they need.

    There seem to be two common tricks used. The first is to short the two data-wires together in the charger. This is what most non-Apple devices do. Since a computer or older device wouldn’t have done this, the device can assume it is safe to draw all the power it needs.

    Apple seems to have taken a different approach, one that I don’t fully understand but know can be seen by the fact that the data lines are neither open nor shorted when the charger is plugged in, and is more sophisticated and probably superior, because I suspect it allows the device to know exactly how much power it can use.

    While Apple taking a better approach might be nice in concept, it’s created chaos in the USB charger product category. What is the non-specific charger to do? They can’t support both.

    This device chose to go the Apple route for the 2 Amp port. I don’t own any high-power Apple devices, so I can’t say for sure, but I suspect this unit performs well with Apple devices. Using electronic equipment I was able to draw 2 Amps when putting a fixed load on this USB charging port. However, when I connect any of the 3 high-power devices I have (HP Touchpad (2 Amps), Motorola Triumph Android phone (0.85 Amps) and the LG Optimus Slider (0.7 Amps)), none of them drew all the current they could have, because they were expecting a shorted set of data-lines.

    Luckily for my purposes, the 1 Amp port on this device uses the data-line shorting method. As such, it was able to deliver all the power my Triumph and Optimus wanted. However, for some reason, even when it was the only device connected, it would not fully charge the HP Touchpad at the 2 Amps it could have, because for one reason or another, the HP Touchpad rejected it as a high power charger.

    To be honest, this surprised me because it was able to source the 2 Amps the Touchpad claims it needs and the HP Touchpad charger has the data-lines shorted. So I’m not sure why this didn’t work.

    Thus this device gets 3 stars (UDPATE: 4 stars) because it can source the current it claims (minus the somewhat deceptive 2A + 1A notation (UPDATE: Which is now more clear in the technical details)), would likely support an iPad like it claims, but falls short in other regards noted elsewhere.

    For non-Apple users, or even more so mixed users (say an iPad and an Android phone?) this device is superior to the other device I purchased, the “Kensington K33497US PowerBolt Duo Car Charger” (http://www.amazon.com/gp/product/B003PU01M4/ref=oh_o02_s00_i00_details) because on that device, NEITHER port works with non-Apple devices (although it performed better power-wise, see my review over there for details).

    I’ve ordered two additional devices:
    – “Ultra Compact High Output Dual USB Car Charger – 2.1A Output” (http://www.amazon.com/gp/product/B00470C35E/ref=oh_o01_s00_i00_details)
    – “Bracketron Universal Dual USB Car Adapter (UGC-298-BL)” (http://www.amazon.com/gp/product/B0056VNVV8/ref=oh_o00_s00_i00_details)…

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  2. 240 of 249 people found the following review helpful
    3.0 out of 5 stars
    Newer models are better, March 5, 2012
    By 
    C. MacPhail (Solana Beach, CA USA) –
    (VINE VOICE)
      
    (TOP 50 REVIEWER)
      
    (REAL NAME)
      

    Amazon Verified Purchase(What’s this?)
    This review is from: PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices – Black (Electronics)

    .
    * Update Sept 2013: Newer models listed below are probably a better choice. Better output, better fit in socket.

    PROs:

    * Full-speed charging of iPad, iPhone, and more (see Note 1)
    – Branded product. Amazon reviews apply to this exact item.

    OKs:

    – 1 year warranty

    CONs:

    – Wobbly fit in car socket (works OK though)
    – Cheesy blue light — always on

    – – – Alternatives – – –

    Anker® Dual USB 3.6A Car Charger (compact)

    CoverBot Dual USB 3.1A Car Charger (lowest cost, also highly rated)

    PowerGen Dual USB 3.1 Amp Car Charger

    – – – Apple and Non-Apple Devices – – –

    Apple devices use their own method to decide charging speed. A designed-for-Apple charger may provide slower charging for non-Apple devices, and vice versa. For details, see K. Crawford’s review: http://www.amazon.com/review/R1BSQFGYMS2DCH/ref=cm_cr_pr_perm?ie=UTF8&ASIN=B00622AG6S (Apparently this charger can also fast-charge non-Apple smartphones and other 1 Amp devices using the 1A port.)

    – – – Notes – – –

    Note 1: I tested using a 2-month old iPhone 4S while on/locked. These iPhone results do not apply to other phones.

    30-50%. . . 50-70%. . . 70-90%. . . Avg . . . Charger
    ——— . . . ——— . . . ——— . . . —— . . . ———
    18min . . . . 18min . . . . 23min . . . . 1.02 . . . PowerGen Dual Car Charger – 2A port
    18min . . . . 18min . . . . 21min . . . . 1.05 . . . PowerGen Dual Car Charger – 1A port
    18min . . . . 19min . . . . 21min . . . . 1.03 . . . Kensington K39224US Car charger
    18min . . . . 18min . . . . 23min . . . . 1.02 . . . Apple Wall Charger
    33min . . . . 34min . . . . 37min . . . . 0.58 . . . 500mA car charger (Griffin)
    35min . . . . 35min . . . . 39min . . . . 0.55 . . . 500mA computer USB port

    Avg is “percent per minute” overall — from 30% charged to 90% charged.

    ~~~ Comments & questions welcome ~~~

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  3. 191 of 202 people found the following review helpful
    3.0 out of 5 stars
    Newer models are better, March 13, 2012
    By 
    C. MacPhail (Solana Beach, CA USA) –
    (VINE VOICE)
      
    (TOP 50 REVIEWER)
      
    (REAL NAME)
      

    Amazon Verified Purchase(What’s this?)

    .
    * Update Sept 2013: Newer models listed below are probably a better choice. Better output, better fit in socket.

    PROs:

    * Full-speed charging of iPad, iPhone, and more (see Note 1)
    – Branded product. Amazon reviews apply to this exact item.

    OKs:

    – 1 year warranty

    CONs:

    – Wobbly fit in car socket (works OK though)
    – Cheesy blue light — always on

    – – – Alternatives – – –

    Anker® Dual USB 3.6A Car Charger (compact)

    CoverBot Dual USB 3.1A Car Charger (lowest cost, also highly rated)

    PowerGen Dual USB 3.1 Amp Car Charger

    – – – Apple and Non-Apple Devices – – –

    Apple devices use their own method to decide charging speed. A designed-for-Apple charger may provide slower charging for non-Apple devices, and vice versa. For details, see K. Crawford’s review: http://www.amazon.com/review/R1BSQFGYMS2DCH/ref=cm_cr_pr_perm?ie=UTF8&ASIN=B00622AG6S (Apparently this charger can also fast-charge non-Apple smartphones and other 1 Amp devices using the 1A port.)

    – – – Notes – – –

    Note 1: I tested using a 2-month old iPhone 4S while on/locked. These iPhone results do not apply to other phones.

    30-50%. . . 50-70%. . . 70-90%. . . Avg . . . Charger
    ——— . . . ——— . . . ——— . . . —— . . . ———
    18min . . . . 18min . . . . 23min . . . . 1.02 . . . PowerGen Dual Car Charger – 2A port
    18min . . . . 18min . . . . 21min . . . . 1.05 . . . PowerGen Dual Car Charger – 1A port
    18min . . . . 19min . . . . 21min . . . . 1.03 . . . Kensington K39224US Car charger
    18min . . . . 18min . . . . 23min . . . . 1.02 . . . Apple Wall Charger
    33min . . . . 34min . . . . 37min . . . . 0.58 . . . 500mA car charger (Griffin)
    35min . . . . 35min . . . . 39min . . . . 0.55 . . . 500mA computer USB port

    Avg is “percent per minute” overall — from 30% charged to 90% charged.

    ~~~ Comments & questions welcome ~~~

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