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Topic # 211676 6-Apr-2017 15:59
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I have an old Harmony One remote. The Volume down button has become intermittent. I thought I might be able to fix it by cleaning the contact but when I opened the unit, I discovered that the battery is badly swollen and bulging, though there is not (yet) any sign of leakage. The battery still works fine and shows no sign of losing its charge. The unit is normally kept on the charging cradle. 

 

The battery designation is Li-ion rechargeable, 950 mAh 3.7 volt. It is the original Logitech battery.

 

The condition of the battery, not to mention all the warnings on it about explosions, makes me wonder if it might actually be dangerous, and if so, how much? The charging cradle is normally never turned off so the battery is always receiving a trickle charge. With all the current publicity about Lithium batteries spontaneously catching on fire, I am naturally concerned. The nature of our house, and the location of the remote, is such that if it did ever catch on fire in the middle of the night, we would probably be goners before we even heard the smoke alarms.

 

So how bad is this? Apart from that, how difficult and expensive is it to find a replacement battery? Are they even still available? Any help would be much appreciated.

 

 

 

 





I reject your reality and substitute my own. - Adam Savage
 


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  Reply # 1757666 6-Apr-2017 16:02
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Yikes. Do not use that thing until you get a new battery for it. 

 

 

 

https://www.pbtech.co.nz/product/SEVOEM8020/R-IG7-Battery-for-Logitech-Harmony-Remote-Control

 

 

 

Pretty sure that is the right one. 

 

 


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  Reply # 1757671 6-Apr-2017 16:04
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Agreed, get that battery out of harms way asap.  Certainly don't keep charging it / using it.  Preferably put it in a metal box or something.


 
 
 
 


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  Reply # 1757673 6-Apr-2017 16:06
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You can probably find a replacement on ebay or aliexpress. If it's not there it probably doesn't exist. Oh, you could ask Logitech but it's old now. Mine still works, and battery is a normal shape.





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  Reply # 1757677 6-Apr-2017 16:14
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Get that battery somewhere fire proof asap.



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  Reply # 1757685 6-Apr-2017 16:24
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Okay thanks all for the quick responses. I did put it in a jar which is the best fireproof container I have available unless the battery explodes with enough force to shatter it. I am not using it. I already replaced the unit with a backup (battery looks fine). 

 

 





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  Reply # 1757702 6-Apr-2017 16:51
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Put the jar outside.





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  Reply # 1757703 6-Apr-2017 16:54
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timmmay:

 

Put the jar outside.

 

 

Only once you've dug a 40 foot deep hole, filled it with wet concrete, then cover it in.

 

Put up signs warning of radiation threat.


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  Reply # 1757722 6-Apr-2017 17:57
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Don't do that. No matter how tempting.





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  Reply # 1757923 7-Apr-2017 08:59
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Rikkitic:

 

I have an old Harmony One remote. The Volume down button has become intermittent. I thought I might be able to fix it by cleaning the contact but when I opened the unit, I discovered that the battery is badly swollen and bulging, though there is not (yet) any sign of leakage. The battery still works fine and shows no sign of losing its charge. The unit is normally kept on the charging cradle. 

 

The battery designation is Li-ion rechargeable, 950 mAh 3.7 volt. It is the original Logitech battery.

 

The condition of the battery, not to mention all the warnings on it about explosions, makes me wonder if it might actually be dangerous, and if so, how much? The charging cradle is normally never turned off so the battery is always receiving a trickle charge. With all the current publicity about Lithium batteries spontaneously catching on fire, I am naturally concerned. The nature of our house, and the location of the remote, is such that if it did ever catch on fire in the middle of the night, we would probably be goners before we even heard the smoke alarms.

 

So how bad is this? Apart from that, how difficult and expensive is it to find a replacement battery? Are they even still available? Any help would be much appreciated.

 

 

 

 

 

 

 

 

Your battery is not far from going "Samsung" on you, remove it, dispose of it and get a new one.

 

 

 

"Safe" always has a higher priority than "working".




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  Reply # 1757925 7-Apr-2017 09:04
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How the devil do you dispose of such a thing in this country? 

 

 





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  Reply # 1757926 7-Apr-2017 09:05
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This is gonna sound very "Darwin Awardsy" but I'm now kinda curious to try out what they did in that video....with appropriate safety measures in place of course cool




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  Reply # 1757937 7-Apr-2017 09:19
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Don't forget to look down the barrel of your rifle and pull the trigger to make sure the chamber is empty.

 

 





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  Reply # 1757939 7-Apr-2017 09:26
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  Reply # 1758131 7-Apr-2017 13:40
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The way to dispose of old Li batteries is to discharge them fully then you can put them in the trash. But do it outside!

 

My Harmony battery puffed as well. It also lives on the charging cradle.

 

I have replaced it and the replacement has also puffed a bit. They seem to be serial offenders. Maybe the charger is overcharging them?

 

 

 

 


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  Reply # 1758138 7-Apr-2017 13:51
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Yea mine puffed up 4 years ago when living in Sydney. Replaced it and the new one is still going strong. Just pull apart the remote and remove the circuit board and rubberised button contact sheet and clean both surfaces with isopropyl alcohol & a cotton bud or similar product obtained from any good DIY electronics store. I have used acetone in the past but be careful not to get it on the printed circuits.





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