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Battery charger Kenwood battery knb-25a ni-cd, when I put in the charger it blikns all times

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  • Radio Commun... Master
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The battery is shorted out. You will need to replace it.

Posted on Jun 26, 2008

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Posted on Jan 02, 2017

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NI-MH D 14.4V 8000mAh Charger Hack. I need an alternative charger like charging on a car battery?


NI-MH batteries a re very different than car batteries and even tho voltage may be similar, you risk destroying your battery, camera or worse, an explosion. Your batter may only need a limited amount of amperage to charge (likely not much more than 1500ma or 1.5 amp) a car battery charger may put out twice or even ten times that much - hence the explosion risk! Also these kind of chargers detect when your battery is full and will quit charging or switch to a maintenance mode. I'm afraid you're pretty much stuck with using the charger meant for it.

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I canot get the tranceiver top transmit. When you push the traansmit button it justs beeps once. Signed Randy


This can sometimes be the sign of a low or bad battery. Try swapping your battery with a known good unit and see if the problem persists. If you do find swapping batteries solves the problem, then you will need to troubleshoot if it is the battery or the charger which needs attention. Clean your contacts on the battery and charger with a pencil eraser to ensure good contact, and always have the radio turned off when charging. Batteries typically last approx. 18-24 months before needing replaced.

Sep 07, 2015 | Kenwood KNB-15AM,...

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Is the Dewalt DE9108 battery charger suitable for charging Ni-Mh batteries?


  • For Battery Type: Ni-Cd Ni-MH
  • Input Voltage: 110V-240V
  • Smart Charger for Dewalt 7.2V ~ 18V Ni-Cd Ni-Mh Li-ion Battery
  • For Brand: DEWALT
  • Color: Black
  • Brand New: A brand-new, unused, unopened, undamaged item in its original packaging

May 04, 2015 | Dewalt Drills

1 Answer

Dewalt 30 Minute Fast Charger does it work in uk 230v


Some battery can not be charged by fast charger, because this can damage the battery. You can think to replace it to a new charger, a 7.2V 9.6V 12V 14.4V 18V NI-CD NI-MH BATTERY charger for Dewalt

Jun 22, 2014 | Drills

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How to fix bl1830 battery when flashing red to green in charger


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1 Answer

Do you know where I could find a user guide manual for a NEXXTECH Ni-Cd/Ni-MH 2300033 battery charger?


Radio Shack 230-0033 appears to be the same charger.

I have this charger (Nexxtech branded, model 2300033) and the specs all appear to line up. However, I don't have the manual.

http://support.radioshack.com/support_electronics/71094.htm


http://support.radioshack.com/support_electronics/71094.htm

Aug 23, 2012 | Cameras

1 Answer

I just bought the Lithium - ion batteries for replacement for my 18.0 volt ni-cad battery. when I put it (ion battery) in the charger (ni-cad charger) no lights come on. what's up?


Lithium Ion batteries don't charge the same way ni-cads or ni-mh do. You need a lithium ion specific charger to charge them. (Some chargers do multiple types.)

Apr 22, 2012 | Ryobi Multi-Volt Battery Charger

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,...

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