Tuesday, 15 February 2011

Blackberry Charger - usb, usb charger


This power supply works as advertised, and if it's true to its 2 amp claim, will enable your USB-powered devices to charge about four times faster than they could by plugging in to a computer's USB port (computer USB ports are required to provide 1/2 amp, which is what most of them do -- few exceed it). It doesn't specify whether those 2 amps are per port, or split across both ports, so expect that if you plug in two devices, the power will be divided between them, and neither will charge as fast as if you'd just plugged in just one.



I had a misinformed AT&T store salesman try to tell me something about "cheap" power supplies providing too much voltage. While those words all technically make sense together, this doesn't appear to be such a device (too much voltage heats things up, sometimes to the point of melting and smoke), and I doubt any reputable store would sell such a thing. This supply is high current, which is good, and will not damage your device. If you find a USB power supply that claims anything other than 5 volts (usually expressed as 5V), avoid it.



The rotating plug is a little hard to deploy -- it takes a solid tug and there's not a lot to tug on. Once it's out, it's got stops every 45 degrees. I'm not sure why they did stops at 45 instead of 90. In any case, the plug will deploy to allow the body of the power supply to "hang" from the plug like a traditional wall-wart, or it'll allow the body to stand straight out from the plug. This is very handy if you encounter situations in which it must hug the wall, but also must play nicely in a power strip without taking up two receptacles. Since it's a switching power supply, it will work with pretty much any AC mains power you plug into, whether it's in the US, Europe, Asia, or anywhere else in the world. With a plug converter, you're good to go.



The construction feels solid, although only time and use will tell that, and I've only had it for an hour at this point. I recommend this charger to anyone who needs to power USB devices and doesn't want to carry something with plug prongs that stick out. IPAD-2USB: High Power Slim AC Wall Plug to 2 x 5V USB Adapter (Compatible with iPad)

The real beauty of this gem is that each of its outlets is rated at 5v DC 2A. On most devices like MP3 players, cell phones and the like that means faster and full charging. USB ports on your computer - and a lot of people use their laptops on the road for charging - put out only 500mA which means longer charging times. A lot of the 5vDC gadgets save a few pennies by shipping with AC adapters that output 500mA. Again, that means a slower charge time.



With two USB outlets you can charge, for example, your MP3 player and cell phone simultaneously.



The unit is small and very well made. The AC plug folds into the unit and has stops at three positions to allow for maneuverability when plugging it in. Couple it with a one-foot extension cord (Power Strip Liberator (5 Pack) Extension Cords) and you're prepared to deal with almost any hotel/motel outlet.



I'll be keeping one of these with the little bag I have for the MP3 and cell phone accessories I take when traveling.



A very nice, very handy accessory.



Jerry

this was exactly what i needed. (at the time i purchased) it was cheaper than most comparable items in store and works just fine. the retractable US plug is also adjustable, and can move to a few different positions, which is very useful. i charge USB items with both plugs and see no loss of power or failure of the product.

This AC-to-USB charger has a 2000 mA output split between two USB outlets. That means each outlet pushes out 1000 mA, enough to charge nearly any USB device. Some newer devices (e.g. Blackberry Torch, iPad) require more than the normal 500 mA output to charge properly. This adapter allows simultaneous charging of two devices. The adapter is slim, with a retractable plug, making it great for travel. It is more compact than nearly any "travel adapter" (with integrated cable) on the market, and all you need is a compact USB cable (mini or micro, or use one of each at the same time) and you're ready to charge.

Many other similar products are either:



(1) cheap imitations of apple OEM charger, (2) only have 1 USB charging slot, (3) have sharp prongs sticking out that don't move, (4) when cable is connected the ensemble protrudes out hugely from wall (wouldn't be able to push furniture flush against the wall), etc.



This product is NONE of those thing.



Manufacturing quality is perfectly acceptable, you get two charge slots with lots of amperage (I have charged two iPhone at the same time off of one unit), the prongs tuck away neatly for safe storage/transport, and rotate out to allow multiple different powered configurations, including flush to the wall or standing on end straight up and out of power strips.



Due to the cheap price the broad utility, I bought 3: on for laptop bag (travel), one behind entryway furniture at home, and one behind the nightstand next to bed. - Usb Charger - Usb - Travel Charger - Charger'


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travel charger Blackberry Charger - usb, usb charger