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How to charge my nqd rc 7 .5 niccad battery with out the right charger

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

bilink
  • 128 Answers

SOURCE: new bright 19.2v nicd battery problem

Don't throw away any NiCd power tool battery, Firestorm or Versapakbattery that does not hold a charge or does not give you the power youneed, you can get new life from your battery or device that containsNiCd batteries. icad batteries often die in such a way that they won't take a chargeand have zero voltage. This usually means they are shorted out bycrystal dendrite growth. You Can fix these shorted crystal dendrites by"Revitalization through Vaporization of Dendrites (RVD) Process".
You can get this guide from here

Posted on Jul 14, 2009

micromend
  • 748 Answers

SOURCE: Battery, 8.4V 900mAh NiMH 7-Cell. Works with RC Airplane Models: Commander: how long does it take to charge?...

Hi
From the picture this looks like a Firebird product? If you're using the AC charger that came with the product, charging is usually overnight. If you're using a generic NIMH charger then 15 - 20 minutes is normal but its all based on your charger.

Posted on May 13, 2010

  • 101 Answers

SOURCE: Was charging my 2000 RC 51 motorcycle with a

Sounds like you may have cooked the battery - if the charger burned out it is usually from over loading it - the batteries don't like to be over charged - I'd pull the battery and have it checked if its a battery you can top up check the fluid lvl in it it has probably boiled it self dry.

hope this helps

Posted on Jun 03, 2014

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1 Answer

How can I reset chip on my Makita lithium ion 18v battery


Based on experience I can tell you that it is is generally the temperature/cutoff/individual cell monitoring sensor in charger that dont allow the batteries to take a charge. Once the same condition is detected 3 times by the same charger it considers the batteries to be bad and refuses to accept it. I have 2 batteries that wont charge on one charger but works perfectly fine when i charge it on my other Makita charger so basically there is no problem with my batteries.
I would suggest first you check the voltage of your drained battery by a test multimeter. For 18volt battery if it is close to 18volts 1-2 volts less is just fine! Then there is no issue with your battery. Makita chargers are very expensive hitech which is useless in my opinion the lipo chargers (used in rc hobby) example skyrc are better quality cheaper and does a better job and you can easily charge your makita battery with it as well but this is only recommended if you decide not to go with Makita charger any more. Some basic information about multi chargers for Li-ion battery to follow the safety is make sure you use the right connectors with correct polarity. For 18v volts max voltage should not exceed more than 20.50 and the allowable charge current is 2.7amps also ensuring that batteries dont heatup.

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1 Answer

Was charging my 2000 RC 51 motorcycle with a battery charger and a battery charger burnout and now I turn the key I have no power I have checked all fuses and none of them are bad you have any suggestions


Sounds like you may have cooked the battery - if the charger burned out it is usually from over loading it - the batteries don't like to be over charged - I'd pull the battery and have it checked if its a battery you can top up check the fluid lvl in it it has probably boiled it self dry.

hope this helps

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1 Answer

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with most rc helicopters you have to disconnect the receiver unit from its battery and connect the charging lead to the battery lead the charger should have 2 leads 1 for the transmitter & 1 for the receiver
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My Yiboo Micro Blade Rc copter won't charge. I've tried disconnecting and reconnecting the batteries, but every time I plug it in the charging light doesn't come on and it goes into transmitting mode....


Well my K11 helicopter that I bought from Paddys Markets Sydney Australia last week for $45 gave up after three flights. I suspect the battery is either dead or not charging or a burnt out wire. I suspect your micro RC helicopter has a similar issue. I smashed open my charger with a dumbell weight to see if the wiring inside it was ok. All looks good, but when it is plugged in, it does not even produce heat, which chargers always do to a certain amount. I also dismantled helicopter and took out battery. For $45 it is not worth me buying a voltmeter, another charger (which I cannot find online) and my manufacturer has a dodgy website as well! I recommend keeping your toy for parts and maybe getting another one?

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1 Answer

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Hi
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the battery isnt lasting because it needs to be fully discharged (drained) before it is recharged. (this is only for nicd batteries)

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