Uniden 5.8GHz Dual Cordless Phone Logo
Posted on Jul 24, 2008

UNIDEN Powermax5.8 cordless phone charging

Hello,
I have approx. a two year old Uniden Powermax5.8 cordless phone with 2 phones and bases. Most recently both of the cordless phones are not holding charges for more that maybe 20-25 minutes. I'm going out tomorrow to buy 1 replacement battery. I'm an electrician and familiar with multimeters. My question is: I would like to use my meter to check the charging capacity of the phone base. What setting should I use on meter (ACV or DCV) and what output range should the base be putting out?

  • Anonymous Sep 24, 2008

    I have the same problem

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  • Posted on Nov 08, 2008
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Mine came with Nickel-Metal Hydrides. You can find them on the web.

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  • Posted on Sep 01, 2008
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Have the same problem. seems the handset is too warm, showing too fast a charge rate for the battery ( methinks ) even with a replacement battery. havent checked current, charge voltage yet, but this is a GREAT phone, as phones go...so worth figuring out.
any chance it came originally with lithium batteries, rather than nkms?

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  • Posted on Jul 30, 2008
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Battery

Here are a few options; 1) your picture shows two bases, if that is the case, is it happening to both bases/phones, if not check terminals to make sure both are clean and connecting well. 2) if possibly exchange them, Uniden's are usually good phones, I've owned them before. 3) If you have one phone holding a charge and the other not, exchange the batteries and see if it's specific to the battery set. If so, you can purchase replacements at several stores. Hope that helps.
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How do i recharge my uniden phone battery

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  • 1.Check that the base unit's AC adapter is plugged into the both the base unit and electrical outlet firmly.

  • 2.Wipe the base unit's handset holder's connectors and the connectors on the bottom of the handset with a soft cloth/rag or pencil eraser to remove any loose dust and dirt from the metal connectors.

  • 3.Place the handset firmly in the base unit holder until the "Status Light" illuminates, indicating the battery is charging.
    4.Replace your Uniden cordless phone's battery, by purchasing a compatible battery from an electronic supply store or directly from Uniden. Turn your phone's handset unit over and remove its battery door. Lift the phone's battery pack up and gently unplug the battery's wire connector by pressing in on the connector's side and pulling the connector free from the phone's circuit board. Battery installation is the reverse of removal.

    Read more: Troubleshooting a Uniden Cordless Phone ' eHow.com http://www.ehow.com/how_7252483_troubleshooting-uniden-cordless-phone.html#ixzz1Wkmk0pxX
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    http://www.uniden.com/pdf/DXAI5188-2om.pdf

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