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JR Extra 2500 nicad or nimh?

Old 12-03-2011, 09:52 AM
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Default JR Extra 2500 nicad or nimh?

I ordered a JR Extra 2500 mAh Nicad, part number JRPB4460. I received the battery with that number, but on the front it says it is Ni-MH. Horizon customer service is no help and neither is the JR site. Anyone know what it really is as it impacts my charge rate and I do not want NiMH.

Thanks.
Old 12-03-2011, 01:27 PM
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Default RE: JR Extra 2500 nicad or nimh?

I didn't know that Nicad and NiMH should be charged at different rates.
I always thought they were treated the same.

Why don't you want NiMH?

What does it say on the battery pack itself?


Old 12-03-2011, 04:59 PM
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Default RE: JR Extra 2500 nicad or nimh?

The front says NiMH and the back Nicad. You should not charge NiMH faster than .1 C. You can charge Nicad much faster. I fly jets and have always charged my receiver and turbine battery between flights at a rate much faster than .1 C to top them off. Nicads are much more able to take faster charge rates. THis is my first JR Extra that said it was NiMH.
Old 12-05-2011, 07:16 AM
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Default RE: JR Extra 2500 nicad or nimh?

1c should be fine, thats what I charge all my NiMH and NiCad batteries at.

The only time you need to use .1C on a NiMH is during its formation charge.

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