USB Power Devices 

Here I am looking at two different devices to provide power, the first fits round your wrist like a bracelet to power your PDA or Phone. The second is a box to provide power to USB devices when the mains are not around.

USB Wrist Band Battery

USB Wrist Band Battery9_640
click image to enlarge

This is a black rubber bracelet weighting 81grams. It is 26cm long, 3.5cm wide a maximum of 1.3cm thick. It has six battery cells three either side of the seventh cell that is the charging indicator with four white LED’s and a push button which you press when you want to use some of its power. There is a micro USB socket on the side and all the supplied fifteen different heads either fit into that or a coiled 50cm extension unit.

Read the link at the end to see exactly what devices are supported, certainly if you have an older PDA with a naff battery this device has saved the day several times in the time I have had this wrist band from those clever people in Hong Kong.

There is a choice of two popper buttons to do up the bracelet the first is a snug fit on my male wrist the second is 2.5cm further away and I suggest that you would be a big man to not be able to use this. However I fear for the lady with a small wrist as it might just be too big to avoid dropping off when you least want it to do so.

Available from the link below for $35 US plus $3 US p&p whatever the size of your order.

USB Power Station

The second item in a way does the same job but is hardly designed to fit on your wrist I suppose you would carry it in a large purse of briefcase. It is for those times when mains power is elusive but you just need power for more time than the products battery has. The examples given on the box are mobile phone, Smart Phone, GPS, Gaming Device or MP3 player but like the item above there are a whole range of connection heads provided.

USBPowerStationII 5000mAh _6_640
click image to enlarge

It is 11x7x2cm mine was creamy white. It is stated to supply 5000mAh worth of charge, the unit weights 150grams.

The top has a silvered flush fitting press button that turns it on or off. Beside this are three strip LED’s that show the current state of the battery 1/3 2/3 or full. The top end has three sockets marked iPhone input and iPad. However the range of ends supplied either for direct connection or via a 50cm coiled extension lead mean it will work for far more devices. As with the unit above read full details on the link below to see exactly which devices are supported.

I was surprised not to find any operating instructions but as these are likely to be a single sheet of paper written by someone whose first language is not English you may not be missing much. Of course as I often get an early sample they may have just fallen from the box.

If it has a fitting that works with your device then it will almost certainly do what you want and give you an extended period of use for your device.

Available from the link below for $49 US plus $3 US p&p whatever the size of your order.

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Comment by Jack Smith, 17 Aug 2010 8:00

Good devices

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