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Don't go over 5.4 Volts. If your choices are 5 or 6, go with 5.
Your real problem is gonna be the MA (2410ma is almost 2.5 AMPS). I highly doubt any wall wart from Wally World is gonna come anywhere near that. Lower will still work but it's gonna take forever to charge your Axim.
Radio Shack used to have some that were pretty close, you might check with them. Take the above specs with you and
hope against hope that you can get a salesperson who doesn't leave you with more questions than you walked in with.
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