Battery powered portable USB charger??
Anyone know of an external battery powered battery charger for portable devices I can buy online? I've seen similar devices for charging cell phones (ie, put a pair of rechargable batteries into the unit, plug your usb device into it, and it charges your mobile device), and had a 4 cell version for a while (until I killed it), but now I need a new one, and few people have anything except the dedicated ones which have the battery built in.
The idea is that I want to be able to charge my N810 (and other usb enabled devices) on the road, or in an airplane using the charger. I've got a 21hr flight (yes, 21 hours from LA to Tokyo) and the chances of my battery surviving the whole flight is about as good as a snowball surviving in a bonfire. So anyone who would happen to have a link to one of these, it would be ever so helpful. I have 2500ma AA rechargables I'll be using with it. |
Re: Battery powered portable USB charger??
google search this forum for dealextreme
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Re: Battery powered portable USB charger??
One or two Tekkeon models (mp1550, maybe?) are widely recommended. They've been discussed and benchmarked a lot, so search around.
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Re: Battery powered portable USB charger??
I recently purchased this one for $35USD http://www.tekkeon.com/products-tekcharge1800.html from Newegg but it doesn't appear to be available on the Newegg site anymore.
An important point to this power pack is that it comes with 7 different adapter tips including the one needed for the N800! No need to spend $30USD on the official Nokia one. The powerpack is rated for 4000mAh, is roughly the size of a credit card and an inch thick. It has an odd curve to the body that makes it a little thicker. It will only charge off the computer USB port. I tried using a cheap 120V to USB plug but it doesn't seem to take a charge, must be too high a current. When charging off the computer it can take a while to charge, up to 8 hours if fully discharged. With it plugged into the N800 I used it on a trip to Europe recently and was able to watch videos sitting around the airport and for the whole plane trip (+10 hours total), no WiFi of course. I still hadn't dented the battery indicator. I also purchased a portable hard drive case at Target for $10USD and I can fit the N800, battery pack, headphones, N800 charger, USB charging cable plus tips and a short USB to miniUSB cable. It makes a really nice kit. At some point I want to do a run down test to see how long it will play videos w/headphones before dying and a run down test of active WiFi. When I get to that I will post the results. I originally bought a Black and Decker power BRICK from Buy.com for $10USD but haven't used it since it is only rated for 1200mAh, is the size of a thin paperback book, is weighty and didn't come with any adapter for charging the N800. I will probably break it out for a car trip but nothing when traveling light is important. Cheers |
Re: Battery powered portable USB charger??
Thanks for the links, but the tekkeon units are battery packs. I want a unit you can actually toss a set of DoubleA batteries into as it allows me a bit more flexibility than a battery pack can.
But one of the links pointed me towards the key phrase "battery extender" which has actually netted me a much larger list of possibilities. :) |
Re: Battery powered portable USB charger??
Quote:
(Standard disclaimer: I don't work for Tekkeon nor own any stock. I just like their products.) |
Re: Battery powered portable USB charger??
i think i read that duracell would be selling something like this soon.
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Re: Battery powered portable USB charger??
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Take a look at this:
http://www.amazon.co.uk/Philips-SCE4...ef=pd_sbs_ce_3 (Amazon UK) I did buy in February the Philips SCE4420/10 - Power4Life Rechargeable PowerPack up to 5V without a charger because I can charge it with my TomTom 110V/220 V charger. There are everal types however. Secured for overcharing, Input is 5 V, controlled 5 V output etc. Also usable for nokia phones, navigation gear (my TomTom) photo cameras etc. Anything that runs up to 5 V Im my experience good for 20 hours internet / e-mail; or 5 / 6 hours of video; or 3 hours of wifi streaming video. (or a a full day of biking with my TomTom) Philips says 3 days. Abel. |
Re: Battery powered portable USB charger??
I ended up grabbing the MP1550 since it appears fairly rugged and is powered by 4 AA batteries. :)
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Re: Battery powered portable USB charger??
seems the philips power4life is named power2go in some parts of the world.
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