Question about Uniden GMR1838-2CK Two Way Radio

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Brand newgmr1838-2ck, put battery packs into units, put them into charger, plugged charger into outlet, charging lights did not come on, but i could smell burning insulation and could hear faint shorting out sound in the charger

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Return the units back to the comapy you purchased them from. Or contact Uniden Support:
http://www.unidendirect.com/contact.cfm

Posted on Mar 27, 2009

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1 Answer

Charging/Charged Indicators


I don't know what model of radio, but here is what I would try: pull the batteries and charge them on the charger by themselves if your charger allows this. The lights, well, some manufacturers just miss the boat. Especially on low end or "beginner" radios. I have one brand I can insert with NO BATTERY and the light comes on. Talk about useless. Charge times vary by size of battery and charger output, minimum is 3 hours, 12 hours much more likely but I see a lot at 5-7 hours. Hope this helps, model and brand helps always.

Dec 12, 2015 | Walkie Talkies Radio Communications

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Cxt90 microtalk radio charging


Hi,
When charging batteries always do so with the radio switched off, this is a MUST, if you want to prolong your battery life, too many queries on this subject have resulted in burnt out batteries, being recharged with the radio on. This is a very big NO, NO....

I hope I have answered your query for you.

Cheers,
Peter

Feb 11, 2013 | Cobra Microtalk 100 FRS Walkie Talkie...

1 Answer

I just got a brand new uho78sx, put it in the charger dock after about 3 hours the light went of indicating that it was charged but it would not turn on. When I put it back in the dock the charge light...


Hi,

It would seem that your battery pack is Ni-Cad, if so, these have a memory, this means they will only recharge from the last top-up, rather than complete charge.

You need to completely drain the battery pack until it is flat, as in no charge left.

Otherwise, buy replacement Lithium Iron (Li-On) battery pack from Uniden or on ebay, these don't have that memory effect the Ni-Cads do, so you know you won't have these problems again.

If it's a really good radio, then replace the battery pack with really good one.

I hope this has been helpful.

Regards,
Peter

Nov 16, 2011 | Uniden Radio Communications

2 Answers

I have a TK-280 and when i put it on the charger the red charging light comes on the starts flashing red after about a min. I am on the fire dept. where i live and kinda need it charged up. I wanted to...


  • Couple things this could be.
  1. First thing is to make sure the radio is seated properly in the charger and that all the contacts are making contact and not dirty.
  2. The other thing this could be is that the battery is bad. Or in the least the capacity for the battery is extremely bad and not reliable.
  3. If the contacts look good and it's sitting on the charger proper than you will need to get another battery pack. Sorry.

  • Hope this helps and thank you for using FixYa.

Regards, Tonyu

Jul 14, 2011 | Kenwood KNB-17AM, TK-280, TK-290, TK-380,...

1 Answer

My charger will not charge


1) Clean the battery contacts on the radio, battery and charger with a pencil eraser.
2) Test the charger by turning the radio on while attached to the charger (do NOT transmit, as this may cause damage to the unit). If the light on the charger comes on while the radio is turned on, you have a good charger, and a bad battery.
3) If the above test detects a bad battery, replace the battery.
4) Not sure if the battery is bad? Trade the battery out of a known good unit into this one to see if it solves the problem.

Mar 10, 2010 | Cobra Microtalk 100 FRS Walkie Talkie...

1 Answer

I have a pair of sp10 and having trouble charging them and the batteries are new and when i put them in the charger i have to turn them on for the chargeing light to come on is this normal or are the...


You do not mention if you are using a wall plug charger, or a drop-in charger. We will give troubleshooting tips for both. To answer your question: If the light comes on and stays on, on the charger your charger is good. You have a radio or battery problem.

Wall Charger:
The light on the HTN8232 wall charger should come on and stay on when plugged into the radio, with the radio turned off. The fact the light comes on when the radio is turned on indicates your batteries are either no good, too low to charge, or you have a battery contact problem.
Solutions: 1) Clean your battery contacts with a pencil eraser.
2) Be certain the batteries are installed correctly.
3) Check your battery date code (three digit number on back of battery above the stop sign. First number is year, next two numbers are the week of the year. Batteries last about 2 years.)
4) Check to see your new batteries are NiCd batteries. The wall charger method is not compatible with NiMH batteries.
5) Try a charged battery from another radio and see if the charger light comes on and stays on with a different battery.

Drop-In Charger:
If you are using a drop-in charger, you would be using the above listed HTN8232 wall plug charger plugged into the tray. Here are some possible solutions for the drop-in charger:
1) Clean the exterior battery contacts with a pencil eraser.
2) Check to see if the wall charger will work when plugged directly into the radio.
3) If the charge capability of the radio seems compromised, take the battery out of the radio and charge it alone in the drop-in charger.

NOTE: Do not use the PTT if you are turn on the radio when plugged into the charger. This will burn out components in your radio.

The SP10 radio is known to be a repairable radio. (Generally around $69 flat rate.)

Best regards.

Dec 05, 2009 | Motorola Walkie Talkie 2-Way Radio

3 Answers

Motorola talkabout t5700


No, the charger is only usable to charge the rechargeable NiMH or Li-Ion battery which comes with the radio. Attempting to charge Alkaline rechargeable batteries with this charger could cause the to expode. If your charger is not charging the batteries which came with the units, it could be you do not have the charger cord end plugged in all the way, or the batteries dropped below the initial charge level by setting on a store shelf too long. Most TalkAbouts come with a cradle style charger to hold the radio, and a possible plug to plug into the charge hole. Check all connections, and clean any battery/charger contacts with a pencil eraser. To re-initialize the batteries you would need to attempt 3-5 charge cycles by charging for 8-10 hours, then letting the battery rest for 8-10 hours, repeating 3-5 times as needed. If this does not bring the battery back to life, you need to replace the batteries.

Jun 07, 2009 | Motorola Talkabout T5700 AA (22 Channels)...

1 Answer

Microtalks won't charge


I have the Cobra Microtalk 4100 FRS radios with charging base. After changing the batteries with new nimh rechargables the charge light would not illuminate and the unit would not charge. I noticed the original batteries had a metal band around one end. This band makes a small connection inside the battery compartment on the first battery. Seems to be a cheap way to ensure you dont try to recharge the unit with non-rechargable batteries installed. I rapped a small piece of tinfoil around one end of the first battery in the new set then popped it back in and now they will charge correctly again. Dont try this with non-rechargable batteries! I would recomend buying original replacement batteries.

Nov 28, 2008 | Cobra Microtalk 100 FRS Walkie Talkie...

1 Answer

Low battery icon on Midland LXT350 walkie-talkies


Your LXT350 is equipped for using an optional rechargeable NiMH battery pack which can be recharged by inserting the AC adapter into the radio charge jack, or with the optional desktop charger.

I would make sure the radio is off, then insert the charger. Charge only for the prescribed time (no more/no less) and remove from the charger.

Charge time is initially 24 hours. Charge time is about 12 hours thereafter. For maximum battery life, it is recommend charging the battery pack when the low battery icon comes on. Remove the radios from the charger when the charge time expires.

Jan 01, 2008 | Radio Communications

1 Answer

Batteries not charging


Michael

Are the batteries the original power pack? this charger are disigned for work just for this batery packs only.

Check if the conctas on the battery lead for dust or corrotion.

 

 

 

Oct 08, 2007 | Motorola Talkabout T5700 AA (22 Channels)...

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