Question about Uniden TRU8885 Digital Answering Machine
My Power Max 5 phones have a short battery life. I replaced all batteries on 6/28/08 and every one of the phones in the set go to "low battery" after 10 minutes of use. I cleaned the contact on both the phones and charger stands and still get this indication.
Your phones have the charger built into them and that is what has gone bad. After a while the dealt-V sensing unit dies and the phone overcharges the battery. You will notice your batteries heat up when charged then your delta-V sensing circuit is probably shot.
Personal Note: I think home phone manufacturers are using old non-lipo technology because it has these faults and you will have to get a new phone after some time. Also.... Why aren't home phones half as cool as cell phones??? Hmmmm.... Yeah I want my home phone to get, wifi, contact sync, usb connection, color screen, multi-ring, infinate contact storage, calendar, timer, and all the other bs in a cell phone. At least contact sync through USB, come on. Or even a shared phonebook for all phones right.
Posted on Oct 07, 2010
Everyone here is missing the point. Yes, batteries become tired and need to be replaced, there are some bad replacement batteries out there, and even charging circuits can fail. However, 95% of technology failures are in oxidized connections, and this is not different. The real problem with the TRU8885 is that the gold plating on the charging base's wire contacts becomes worn off, the ferrous core material oxidizes easily, and the base stops delivering a charge. The charge indicator light will still see a connection and illuminate, but it's not a solid enough connection for the kind of current needed for a charge. The problem is on the base because the round wire provides very little contact area, wearing it down quickly. The flat contacts on the phone have a very large (and slightly shifting) contact area, and fare much better.
I'm looking into retrofitting another wire into the base, because otherwise these phones are pretty good. Check back later...
Posted on Dec 21, 2011
I have the Powermax 5.8Ghz phone, (base model:TRU8885-2). The original batteries were great, If kept up on with a fresh charge the phone would last up to 2hours. We went for a cheap option when buying replacement batteries and after a year of service the phone dies within 20-30 minutes of use. I would recommend buying a quality replacement, otherwise you will keep wasting your money time and time again... not to mention the frustration of chasing down the other handset before your call gets dropped.
Posted on Jun 28, 2010
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Posted on Jan 02, 2017
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