JRX Pro battery box and Lipo and modern battery options?

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Keyz
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JRX Pro battery box and Lipo and modern battery options?

Post by Keyz »

Hey all,
Have used a set of calipers to measure the battery box within about half a mil

134.5mm x 47mm x 24mm

1) Has anyone found any lipo packs that fit?

Prefer hardpack/ROAR approved, but they all seem to be too big?

Yeah Racing 4000mah LP0042 is closet I've seen at 135mm x 46.5mm x 22.5mm. Seems to be softpack in a Nicad/Nimh stick pack package, so not hardpack per-se.

2) A 3300mah side by side pack fits fine on the NiMH side.
What about 3800?
4200's don't seem to in side by side.

Debated putting this under the Tech thread, but is related to Losi the most?

Thanks!

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Keyz
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by Keyz »

The bottom of [url=http://www.rc10talk.com/viewtopic.php?f=27&t=6453&p=95184&hilit=losi+lipo#p95184]this post[url] says "The SMC/dirt oval spec 3200 lipo fits perfectly"

Still very interested to learn any other options!

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vintage racer
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by vintage racer »

Hi Keyz,I run the Yeah racing 3200.They fit in allmost anything and give pleanty of run time to finish a heat in stock and 19 turn.Im not sure if they fit the standard Losi box as mine uses a pure tech battery strap.

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Keyz
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by Keyz »

Thanks vintage racer!

Those Yeah Racing packs do sound like great value! However yes, I was meaning in the standard battery box and these packs seem to be bigger than the standard box size.

Still, someone may have had luck with them, so please be sure to help us out if you know!

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m2fit4u2
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by m2fit4u2 »

It seems batteries are just bigger these days. I cannot fit any of my Nimh batteries in my Jrx-Pro. Instead of looking around for batteries I just sloted the two wider screws that hold the battery box down, this way you can slide the battery box toward the front of the car.

delsami
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by delsami »

have you guys mesured the intellect/trinity 3800-35c. it seems small to me.
xxx,lunchbox,blackfoot,t4,2 rc10ce's,rc10 graphite,rc10 worlds car,2 rc10 t's,xx4---GONE:mip4wdrc10,rpm worlds,houge rc10,super clod,sand scorcher,f103,frog,xxxt,b2,b3,tc3,jrx2,fox,yr4-m2 usa,yz-10 many more LOL

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glowster21
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by glowster21 »

Ive been running the Thunder Power 40c 4200 and the Orion 3800's in my JRX2. I cut the back off the battery hold down and put a piece of foam between the servo and battery, works great. The batteries just squeeze into the rear bulkhead.

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Brandon G
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by Brandon G »

I had the same problem in my Pro that I ran at the vonats.

http://www.rc10talk.com/viewtopic.php?f=38&t=6944&p=67277&hilit=jrx+pro#p67277

Scroll up a few to see the pics in the link.

I simply used an RC10 battery cup held down with 3m outdoor double sided tape. Worked great and I didn't have to drill new holes in the chassis.

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SoloGraphix
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Re: JRX Pro battery box and Lipo and modern battery options?

Post by SoloGraphix »

In my Pro SE I took my Losi hinged battery bar/box out of the front and replaced it with a Velcro batter strap (i used the same coutnersunk screws and put a hole in the velcro strap then used a washer and a nut on each side, and now combined with trimming the rear bulkhead battery box almost anything fits in there.

I used the Yeah Racing 3200 packs in my Pro SE with no issues with just the velcro strap and non modifed bulkhead. The SMC 4100 24c should fit as well, judging by the measurements on the SMC site. I purchased a SMC 5200 24c, but used the measurements from Tower Hobbies, which were wrong, so I had to just trim the top portion of the battery box on the bulkhead off.

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