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HomeRC & Power✈️Aircraft🚁HelicopterRadio - JR DMSS › JR 8103 backup battery replacement
01-21-2020 04:40 AM  36 days ago
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Badgerfarm

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Missouri

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JR 8103 backup battery replacement
Has anyone done the backup battery replacement on their JR 8103 radios? I have 2 that are converted to 2.4 using the modules but just can't make myself throw them away. They were decent radios in the day. I did a search and came up with zilch. Thanks
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01-21-2020 11:08 AM  36 days ago
dschertz

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Jackson, MI

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Take the case apart and there is a flat battery in there that you just replace. I forget the size. They are the same ones you would buy anywhere else. Should have the number on it.
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01-21-2020 01:29 PM  36 days ago
Badgerfarm

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Missouri

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Is it buried in the case or pretty obvious when the case back comes off? I wanted to avoid surprises. Thanks for the help.
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01-21-2020 02:22 PM  36 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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You need this lithium cell...

https://www.batterytex.com/product/...p-32-2-15-sanyo

There is no harm replacing this cell.

The cell is on the board with micro switches...

/
Saludos cordiales,
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01-21-2020 08:19 PM  36 days ago
dschertz

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Jackson, MI

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If I recall correctly it's in view. It's been so long I can't remember other than it wasn't much more than taking off the back and switching it.
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01-21-2020 08:35 PM  36 days ago
JuanRodriguez

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The Villages, Florida

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Rojoalfa url]https://www.batterytex.com/product/detail/sanyo/cr2032-p5-1/comp-32-2-15-sanyo
How is that installed ? I’ve not seen those pins on any transmitter batteries I’ve ever replaced ....
Been there, done that and old enough to know better.....
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01-21-2020 10:37 PM  36 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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Well Juan... It is much easier you post a Pic of the cell you say that is the correct one.

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Saludos cordiales,
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01-22-2020 02:09 AM  36 days ago
JuanRodriguez

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The Villages, Florida

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Looks like you are correct ...... not an easy process.....

https://www.rcgroups.com/forums/sho...Anybody-done-it
Been there, done that and old enough to know better.....
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01-22-2020 10:19 AM  35 days ago
dschertz

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Jackson, MI

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Just took my radio apart to check and all of a sudden it loks like I never replaced it.My bad. It is as Juan put the picture up. I must be thinking of another radio I replaced. I know I slid on out and put it in, but wasn't this one. Now I'm confused.
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01-22-2020 04:26 PM  35 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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That's it !!!

Image from rc groups...

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Saludos cordiales,
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