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DennisH

Senior Heliman

Baton Rouge Louisiana

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I need a replacement battery for my JR9503 radio.

I have searched, and it seems to be a hard battery to find.

It has a 9.6v Ni-HD battery pack which they recommend.

What replacement battery should I use as JR doesn't make their battery anymore?

Thanks, Dennis

10-01-2016 07:20 PM
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jbjones

Senior Heliman

Columbus, Mississippi

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I have a battery from NoBS batteries in my 9303. Had it 3 years or so. Still an excellent battery.

Hangtime Hobbies

NiMH eneloop II 2000ma 9.6v Tx pack.

-JB

J. B. Jones

10-01-2016 07:26 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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jbjones,

I tried the link, states it no longer exist. FYI

Dennis

10-01-2016 08:34 PM
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Brokenlink

Elite Veteran

Oakdale,Ca.

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I have a new futaba 9.6v battery for a radio,I don't know if it fits a Jr radio but take a look or someone here might know.

Experience is a hard teacher,because she gives the test first,then the lesson afterwards

10-01-2016 08:35 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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I search for the battery using your wording. Several hits came up.

I wonder if this battery will work in the JR?

http://store.batteriesamerica.com/s...secapacity.aspx

10-01-2016 08:39 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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I could change the plug on this battery.

Your Thoughts?

I don't want to burn up my JR, just being careful before doing something.

http://www.ebay.com/itm/GeiLienergy...swAAOSwARZXkY0S

10-01-2016 08:46 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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This one looks like it has the correct JR plug

http://www.ebay.com/itm/2700mA-SANY...s8AAOSwPcVVpXUq

Description actually states it's for a JR!

Expensive, ? ? ? ?

JR SPEKTRUM DX6 & DX7, SX600, XP662, XP6102, XP8103A, XP8103H, 9303

10-01-2016 08:47 PM
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Brokenlink

Elite Veteran

Oakdale,Ca.

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I don't see why it wouldn,maybe someone here might be able to confirm that.

Experience is a hard teacher,because she gives the test first,then the lesson afterwards

10-01-2016 08:47 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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I burned one radio up before, don't won't a second one.

This looks like a candidate, just have to change the plug.

Price is decent.

http://www.ebay.com/itm/like/181531...s&ul_noapp=true

I am told it's best to use a Ni-MH pack! Opinions?

By the way, I have found several replacements, but $50 to $60 plus is a little more than what I want to pay.

10-01-2016 08:52 PM
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Brokenlink

Elite Veteran

Oakdale,Ca.

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Let me know if you can use this battery.

Experience is a hard teacher,because she gives the test first,then the lesson afterwards

10-01-2016 09:06 PM
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jbjones

Senior Heliman

Columbus, Mississippi

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Teaches me to test my stinkin' links. Sorry for the screwup.

http://www.hangtimes.com/txpacks.html

-JB

J. B. Jones

10-01-2016 09:15 PM
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Jerry K

Key Veteran

Houston Area

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BL that battery will not fit a JR radio, the cells are in the wrong orientation.

He is looking for a pack that has 4 cells in a square configuration and then 4 more end to end.

I run a LiPo in my JR radios. If you search you will get mixed reviews but it works and will not endanger your radio.

I have also run the Enlopes but you have to be careful charging them because you can cook them. Hangtime has great information regarding this. It has a lot of information relating to batterys.

Avoid the 'default' settings in life, Fat Dumb and Poor!!!

10-01-2016 09:19 PM
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Brokenlink

Elite Veteran

Oakdale,Ca.

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Ok,to bad it went work for him,hope you find one.

Experience is a hard teacher,because she gives the test first,then the lesson afterwards

10-01-2016 09:21 PM
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DemetriusUSN

Veteran

Virginia Beach, Va USA

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I use the life battery from amainhobby.com because it's 6.6v and you still can use the wall charger.

Minicopter Diabolo 700, Compass 7hv, Goblin 700 triblade, Compass 6hvu, Logo 600se

10-01-2016 09:23 PM
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DemetriusUSN

Veteran

Virginia Beach, Va USA

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https://www.amainhobbies.com/protek...tk-5187/p165307

Minicopter Diabolo 700, Compass 7hv, Goblin 700 triblade, Compass 6hvu, Logo 600se

10-01-2016 09:37 PM
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Slowpoke

Key Veteran

Dublin, OH

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I use a Turnigy 1C 2650mah 11.1v Transmitter pack lipo in mine. Has the JR plug already on it. Been using it for over 3 years now and still going strong.

10-01-2016 09:57 PM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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I use a Turnigy 1C 2650mah 11.1v Transmitter pack lipo in mine. Has the JR plug already on it. Been using it for over 3 years now and still going strong.
I tried a 11.1v Lipo in my JR 9303 radio. I blew the fuse and burned the board in the transmitter.

Horizon told me to only use a 9.6v NiMH in the transmitter.

It's a great price on the battery, but I don't want to burn my radio again. I have found a few, I guess I will decide which one will be the best value.

DemetriusUSN has a great suggestion, I don't think I have ever used a LiFe battery, and have no clue how it compares to a NiMH.

Anyway, it's time to make a decision. There are some out there for >$20.00 and up to and above $60.00.

Thanks, Dennis

PS: This battery listed on Ebay might be the one considering the mAh's. Listed above.

NEW SANYO 2700mA 9.6V High Capacity Transmitter (Tx) Battery pack for JR Spektrum

10-02-2016 04:10 AM
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DemetriusUSN

Veteran

Virginia Beach, Va USA

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I like the life because you use the wall charger that came with the radio. If you use a lipo, you have to take it out and charge,there's nothing wrong with that but the life route is easier.

Minicopter Diabolo 700, Compass 7hv, Goblin 700 triblade, Compass 6hvu, Logo 600se

10-02-2016 04:30 AM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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New scenario, or question ? ? ?

I am also looking a NiMH AA batteries which are 1.2v each with some having a 2,000 mAh capacity.

My Devo Transmitter has a pack you put AA batteries in it, series.

If you take 8 NiMH AA batteries packed in "series", you have 9.6v, correct?

If each AA has 2000 mAh's, when hooked up in series, what total mAh's do you have?

I know parallel packs you would have 16000 mAh's.

Is this the same for Series Packs? or ???

I have been looking all over for an answer to this question. I don't see a problem if you have 18000 mAh's, I guess the batteries would never die. The reason NiMH batteries are recommended, they don't have a memory like Lipo's. This "definitely" is the cheapest way to go! Plus you can order a JR radio connector.

Answer found: NiMH battery in the standard “AA” size has about 2000 to 3000 mAh (or 2 to 3 Ah). With a cell voltage of 1.2 V to 1.5V, this corresponds to 2 to 4 Wh per cell. When multiple cells are used in series, as with the use of a battery holder or most pre-made battery packs, the voltage goes up but the capacity in amp-hours stays the same: an 8-cell NiMH pack made of AA cells will have a 9.6 V nominal voltage and a 2500 mAh capacity.

I am getting a real education on batteries lately.

I even found a company that will "CUSTOM" make a Lipo battery for my TRex's! I will post the price when I get it. I requested a price for a 22.2v 18,000 mAh, 35C battery pack! LOL, it's worth looking into.

10-02-2016 07:00 AM
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DennisH

Senior Heliman

Baton Rouge Louisiana

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The best price out there,

http://www.ebay.com/itm/2500mA-Tx-B...A-/330489406753

FREE SHIPPING

Ordered and over with.

Thanks for all the help and information,

Dennis

10-02-2016 07:56 AM
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