This is a simple and effective way to recharge the Tungsten in the car from the cigarette lighter, and much less bother than the other portable charger (requiring 4 AA batteries). I'm out and about in my car all day, and I use my Tungsten a lot and quite often have to recharge it during the day to avoid losing everything I haven't had a chance to synchronise yet. I've been looking for one of these ever since I bought my PDA and am delighted to have an easy solution at last.
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Over the past year I've found my Palm m500 extremely useful. It's taken the place of my Filofax and become indispensable. I find graffiti quick and easy and have downloaded loads of useful software for it.
However, it's now one year since I bought it and I've noted an inexorable decline in battery life. Whereas in the beginning it would easily last for two weeks without a charge I now find that the battery is lucky to last over a two day trip even if I use it only very occasionally. Recently, having had problems with my PC, I had failed to back it up for several weeks and it discharged completely whilst sitting unused on my desk for 5 days and I lost everything.