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(More customer reviews)No matter how much I want continuous power to my Garmin I just can't pay that much for a little power cable that costs probably $1 to make. It's the principle of it.
Instead I did some research and discovered a nifty little item called a USB car adapter for as low as two dollars! - then I can just use the USB cord that came with the unit! Only the wires needed for supplying power are used and not those for the data (they are separate wires in the cord). For more info do a search on Wikipedia for USB, and Goggle and right here at Amazon for USB car chargers.
I found a great dual charging unit elsewhere for $15 including shipping. With the dual unit I can charge my eTrex Vista HCx and phone or PDA, both at the same time. Just make sure the power output is 4.75 to 5.25V, that's the USB power specification. All but one of the units I found where in the proper power range though one was 7.2V, which is too high.
BTW, the little connector at the eTrex is also a USB connecter, just a different type (shape) then you may be used to. They call it a `mini USB,' while the larger one on the other end (of the cord that came with the unit) is a `USB type A', the same you typically see for computers and flash cards. It doesn't matter though, they are just differently shaped connectors that do exactly the same thing.
Don't pay Garmin's outrageous prices. Get a USB car adapter and power your eTrex through the USB cord supplied with your unit. It's the same as when you plug your unit into your computer's USB port and the computer supplies the unit with 5V power. Enjoy
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