Wow! External Li-ion batt. for $22! Price reduced!
I picked up this Digipower DPS-9000 external battery for my digital camera a couple months ago, but just realized that it could be used for the Axim as well!
What it is: a tripod-mountable, semi-pro Li-ion rechargeable battery for Canon, Casio, HP, Minolta, Ricoh, Toshiba, Agfa, Epson, Kodak, Nikon, Olympus, Vivitar, Fuji, and Sony [though not "all" sony's] cameras (it includes all of the necessary adapters). Also has a "fuel gauge" on the side that shows the amount of charge left (see picture).
How to use with Axim: Just so happens that the Fuji adapter (which puts out 5VDC) has the same plug and polarity as the Axim. The latest intelligence tells us that the rated capacity of the battery is 1800mAh.
Other good stuff: The battery comes with a wall and car charger, it charges very quickly (couple hours), it is lightweight, charges the Axim fast (same as Dell wall charger), and I can get at least a couple recharges on one charge of the battery! And of course, Li-ion has no memory effect so it is easy to use. Wow!
Where to buy: Watch out! I've seen this battery in photo magazines for $100, and CompUSA sells it for $79.95. Although it might be worth that, Best Buy sells it for $39.95! [UPDATE: now only $21.95 at Best Buy if you can find it.] Nothing more you need to buy. What a steal! And of course you can use it for your digicam as well.
Hope you find this info useful!
Shout outs to pyro, Agentrapid and Wayfinder for their most useful input and research.
Very intresting, what is the hour rating on the battery?
I think that the 5V vs the 5.4V wouldn't be too much of a problem vs the amperage. The problem with the USB was that USB only put out 100mA from what I read on these groups. I am usre that it has good amperage being made for a camera and charging the flash and powering the LCD at the same time.
I don't think that would be a tell-tale unless the Axim is capable of recognizing the power supply voltage. More likely, it's supplying less-than-optimal voltage to every component, rather than prioritizing what gets powered and what doesn't.
Of course, this is all speculation. I know some electrical engineers at work, so I'll ask 'em what happens when you do this sort of thing.
Most electronic equipment has a 10% tolerance on voltage. So, for the Ax, the tolerance range is 4.86v to 5.94v. The 5.0V is inside that tolerance, so it's probably just fine.
Normally I tend to overpay for everything. But I found the Digipower DPS-9000 external battery at BestBuy on clearance for $21.99. There was one left and it was in an open package, so the clerk cut the price to $10.99. It works great, thanks for the tip.
Rustle,
He stated that it charges the Axim in about the same time as the Dell transformer. Assuming he's not lying, that's a pretty good sign, and good enough for me.
The "charging" indication could measure rising voltage at the battery, or current flow towards the battery, or even just the presence of any voltage at the jack, but physically charging the battery is proof it works.
The actual battery voltage of the Axim is 3.7 v.
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Originally posted by gozzy The Axim mains charger outputs 5.59 volts
The Axim power supply I have says it is rated at 5.4v. If you measured 5.59 with no load on it, that is about right. The load will probably draw it down to the 5.4 rating. In any event 5.59v you got is well within the 10% tolerance.
Originally posted by DennisFranz Very intresting, what is the hour rating on the battery?
That's the thing, I don't know. Nowhere does the packaging state any ratings. I guesstimated about 3600mAh because of the way it performs in my professional digital camera (I have a 3600mAh proprietary battery for the camera and it performs identically). If anyone who picks up one of these units has the capability to rate it, I'd be more than interested to know what the real deal is!
As for the 10% tolerance (5v vs. 5.4v), the only noticeable thing is that you get a little (a very little) bit of heat from the voltage dropping unit that is between the battery and the Axim, because the Axim is trying to draw more power than the unit wants to put out (you can almost relate it to "overclocking" a CPU). But then I get a little warmth out of my Dell wall charger too, so I don't think there is anything to worry about.
I looked for one at best buy, they were sold out,
but I did see the spot where it was stocked for
39$, So as a last resort, other then paying $80+
somewhere else I got one off EBay! .. There were
quite a few out there, I ended up paying only
$55 (Includes s&h) for the device... Should arrive
shortly, I hope its worth it... anyway a lot cheaper
then Dells battery, and It will work with my Sony
camera! .. Thanks for the Info beachbrian!!
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Wow! External Li-ion batt. for $22! Price reduced!
