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Search: Posts Made By: spog1
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03-01-2013, 03:27 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

<font size="3">
This is incorrect according to sanyo and battery university.</font>
02-18-2013, 12:30 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

What's interesting to me in the powersonic data sheet is that maximum cycle life is obtained by slow charging. It should be noted however this is based on a discharge to 1V and a .1C charge for 12...
02-18-2013, 12:09 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

Thanks for the data sheets motomike. I think your assessment of the available info is sound.
02-13-2013, 05:27 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

The .1Cx16hrs is a standardised test, not an operating recommendation. They rate all their NiMh and Nicad cells this way. The same was done in the datasheet I posted, but the charging recommendations...
02-13-2013, 10:55 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

Those are excellent observations Mike for which I have no answer. I posted this stuff in the hope someone here can enlighten us on those details.
However,
There are other sources which claim the...
02-12-2013, 10:11 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

.
The sanyo data sheet specifies that NiMh cells are unsuitable for slow charging *section 3). What you see in section 2 is a standard test, not an operating recommendation. Red's battery clinic...
02-12-2013, 02:59 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

It might be your charger eddie. I have charged NiMh on my triton and have never missed a peak or had a false peak, I monitored batteries very closely on my helis. I have charged aaa and aa eneloops,...
02-12-2013, 02:18 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

I wonder if so many people hate NiMh cells because they've been following the charging recommendationa from "reputable" sources like RCbattery Clinic and Radical RC. Charge your batteries with a NiMh...
02-12-2013, 01:38 PM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

There's no misinformation in the sanyo data sheet, and it doesn't seem to agree with RC battery clinic or radical RC. I will take the manufacturer's recommendations over anyone else's.

Here it is...
02-12-2013, 11:21 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

You'd be hard pressed to find anything that compares to eneloop for Tx use. They are safe, durable, high capacity, very low self discharge, and good cold weather performance. No regulator is needed...
02-12-2013, 07:50 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

From RC battery clinic.


This is incorrect according to sanyo.
02-12-2013, 07:35 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

The timed charging was used for NiCads and 14 to 16 hours at .1C was long enough to fully charge the battery, but it was longer than necessary to ensure a full charge. There is no good way to...
02-12-2013, 03:13 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

Slow charging is a .1C charge rate timed for 14-16 hours. The battery is overcharged every time. You should not use a peak charger at a .1C charge rate since the charger may miss the peak.
02-12-2013, 02:55 AM
Replies: 50
Views: 45,130
Posted By spog1

RE: How to charge NiMH batteries

A NiMh cell should not be slow charged. The repeated overcharging degrades the battery. A peak charger at .5-1C charge rate would be acceptable. This is according to sanyo.
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