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USB Charger RAVPower 40W 4-Port Desktop Charger Mains Charger with iSmart Technology for iPhone 6S iPad, Samsung Galaxy and Android Smartphones -Black

4.8 out of 5 stars 1,175 customer reviews
| 49 answered questions

Price: £30.00
Sale: £11.99 & FREE Delivery in the UK on orders over £20. Details
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Sold by Sunvalleytek-UK and Fulfilled by Amazon. Gift-wrap available.
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  • Total 8A output and each port could be 2.4A Max for charging 4 tablets at the same time with full speed
  • All 4 USB ports are equipped with iSmart technology which automatically detects and delivers the optimal charging current for any connected devices--ensuring the fastest,most efficient charge. For example,the max input current for iPhone is 1A, this charger will adjust the output current 1A to iPhone
  • Anti-slippery base keeps it stable and prevents the charger from moving on your desk
  • Multiple safety system: Over-charging, over-heating and short circuit protection; CE, FCC, RoHS Certified
  • Package contents: RAVPower 4-Port Wall Charger, detachable 1.5m UK power cord,user manual,warranty card (18-month warranty)
£11.99 & FREE Delivery in the UK on orders over £20. Details In stock. Sold by Sunvalleytek-UK and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • USB Charger RAVPower 40W 4-Port Desktop Charger Mains Charger with iSmart Technology for iPhone 6S iPad, Samsung Galaxy and Android Smartphones -Black
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  • [Top Rated Cable] Micro USB Cable RAVPower [5-Pack] in Assorted Lengths (1ft, 3ft X2, 6ft, & 10ft) High Speed USB 2.0 A Male to Micro B Sync and Charge Cables for Android Smartphones, PS4 Controller and More (Black)
Total price: £18.98
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Special Offers and Product Promotions

Colour Name: Black
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  • Save 20% on [2 Pack High-End] Top Rated iPhone Cable when you purchase 1 or more RAVPower Multi Ports USB Charger offered by Sunvalleytek-UK. Enter code V6O3FK49 at checkout. Here's how (terms and conditions apply)
  • Save 30% on [6-Pack] Micro Cable Set -Lifetime Warranty when you purchase 1 or more RAVPower Multi Ports USB Charger offered by Sunvalleytek-UK. Enter code SO4I8JSV at checkout. Here's how (terms and conditions apply)
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Product details

Colour Name: Black
  • Product Dimensions: 9.1 x 5.9 x 2.9 cm ; 150 g
  • Boxed-product Weight: 340 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: iSmart
  • ASIN: B00GX3BKKW
  • Date first available at Amazon.co.uk: 26 Nov. 2013
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (1,175 customer reviews)
  • Amazon Bestsellers Rank:

Product Description

Colour Name:Black

RAVPower 4-Port 40W/8A USB Wall Charger - Consolidate all your wall-charging needs into this one, speedy charger.

Full Speed
Output current varies from 0.1A to 2.4A, Total Output: DC 5V/8A (each 2.4A max),applicable for most mobile devices like iPad, Galaxy Tab, Nexus Tab and other Android / Windows tablets so they charge at full speed.

iSmart Fast Charging
iSmart charging ports adapts to your device. It automatically matches the maximum charging current designed for your device, and hence minimizes charging time.

Global Compatibility
Plug-in anywhere in the world with an automatic voltage adjustment of 100 to 240volts, and charge your different devices without the need for adapters.

What's in the Box
- 1 x RAVPower 4-Port USB Wall Charger (Model: RP-UC07)
- 1 x Detachable Power Cord (1.5M UK version)
- 1 x User Guide
- 1 x Warranty Card

Specifications
- Type: 4 Port USB Wall Charger
- Input: AC100-240V / 50-60HZ
- Output: DC 5V/8A (each 2.4A Max)
- Size: 91*59*29mm(L*W*H)
- Weight: 155g

Tip:
- Our destop charger station can not charge Samsung Tablet, Asus Tablet, Medion S9214;


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Colour Name: White Verified Purchase
I bought this on the strength of the positive reviews already on Amazon.

I was looking at the Anker 40W 5 port charger, but was put off by the number of people reporting port failures.

The RAVpower charger is a small (9cm x 6cm x 3cm) unit. It’s a smart looking unit which comes with a detachable 1.1M (110cm) power cord. It looks and feels like it is built to last. The design has been updated since some of the reviews on here have been written. Visual changes include a rubber oblong running around the base instead of the 4 little rubber “feet” (to stop it slipping on a shiny surface) and it has a small green light which comes on when it is plugged in rather than the mega bright blue one on some reviewers photos.

It has 2 ports capable of delivering 2.4 Amps maximum (for iPads etc) and 2 ports delivering 1.2 Amps maximum (for ‘phones, MP3 players, Bluetooth speakers etc, etc)

I’ve tested it with the lot. iPad Airs, iPads, iPods, various MP3 players, loads of different mobiles (iPhone, Samsung , HTC, Motorola ) Bluetooth speakers, TomToms. Basically anything that needs to be charged. It does everything. No problems at all when all the ports are being used.

Its silent when charging, no high pitched whines, no humming etc. It gets warm to the touch when charging, but not hot. Which I would expect.

My main reason for wanting this is so I can take it on holiday so I don’t need to be carting multiple plugs and chargers around for the myriad of gadgets which will be going with me and my family (iPads, iPods, ‘Phones, BT speaker, MP3 players)

If your house is anything like mine, then things are ALWAYS being charged and it’s great that I now only need 1 mains plug point to charge 4 things at the same time.

I hope this will continue to charge for years to come, and I see no reason why it won’t. It’s great. And less than a tenner.

I would highly recommend this charger.
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Colour Name: White Verified Purchase
Purchased this product to stop all the arguments in relation to phone and tablet chargers in our house. Thanks to this device, I can now boil the kettle, have toast etc. without having to remove phone/tablet chargers to free up socket outlets. Charger is neat and compact, readily charges two phone and two tablets from a fully discharged state while remaining cool unlike some of the chargers supplied with devices today. I have only had the charger a couple of weeks but it is plugged in 24/7 and constantly has at least one device plugged into it (phone, tablet, Bluetooth speaker, Portable phone charger, Bluetooth headphones etc). As I say I only have it a week and cannot comment in relation to the long term reliability of the device.
I have since purchase a second device and my husband has incorporated the two units into a homemade charging base with eight short charging leads attached. The children can now mount their devices on the appropriate charger rack and plug the device in. Eight devices can now be charged using the two RAVAPower 40W units and all this using only one 13 amp power outlet. A photo is attached if you are interested.
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By Reviewify.co.uk HALL OF FAMETOP 10 REVIEWER on 10 Dec. 2013
Colour Name: Black
Length: 1:21 Mins
This is a great little gadget if, like me, you've got loads of devices that need charging via USB. The charger is easy to use, just plug it into the wall and plug up to 4 USB devices into it. It has 4 clearly labeled ports:

2 x 1A - For phones and smaller devices such as MP3 players
2 x 2.1A - For tablets and other large devices

It's a small box that will comfortable sit on a desk or table. If you've ever had the situation where you've needed to charge lots of items with only limited wall sockets or limited USB plugs then you'll really appreciate this little box.
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Colour Name: Black Verified Purchase
So, what exactly is this "iSmart technology" From what I understand, a phone/tablet/whatever will draw a maximum current as set in the kernel. If that is 1 amp, then plugging it into a 2, 3 ,4, even 5 amp charger will make no difference, it will only ever draw 1 amp. (as set in my phone in sys/devices/platform/samsung-battery/power_supply/battery/current_max)

On my rooted Samsung, I've set it so that it will draw a maximum of 1530mA. Using my Portapow volt/amp meter, Plugging in to the 'iSmart' socket makes absolutely no difference to using an ordinary 2 amp charger. The phone will only draw a maximum of 1530mA

As the battery fills up, the phone charging software may automatically reduce the charge current. Basically, the phone (all smartphones/tablets as far as I am aware) have battery charging management, the charger does not need any "iSmart Technology". Heck the phone/tablet charging management software will even detect power supply instabilities and automatically lower the current until stability is achieved.

I even plugged in a battery camping light which I've adapted to run off USB power and guess what, it draws exactly the same current on the Ravpower "iSmart" sockets as on my 'dumb' 2 amp charger.In fact, all the sockets (both the 1.2 and 2.4 amp ones) on the Ravpower supply my USB light with 1.91amps! (exactly the same as my dumb 2 amp charger). Sadly I do not have a device which will draw more than this so cannot test the max current that the Ravpower will provide).

"iSmart products automatically deliver an output to perfectly match each specific product". How? Does it have a microchip with a list of products in it? Does the device you plug in tell the charger "I am an iPhone 10s" ? no, of course not!
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