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NiMh battery chargers

Old 09-06-2021, 09:59 AM
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Default NiMh battery chargers

Our club sails RC sailboats. A good many use NiMh battery packs (5 cell), some use AAA and others AA''s. Most everyone uses rechargeable in their transmitters also. Most of the newer folks are having a hard time finding a decent charger. It seems that most of the older chargers required setting the cell count, Mah rating, battery type as well as charge current. Most of those when set properly do a fine job of charging, 95-100 % charge ( 7.2-7.4 v immediately after removing from charger), they are warm (not hot at all) they completely shut off or go to a trickle charge when finished. In the last month or so I have bought (and returned) 3 different newer chargers for testing and found them all lacking in their ability to charge NiMh. They may do Lipo fine but not nickel. They are so called smart chargers which don't require setting anything but battery type and current. That would be great if they worked. They undercharge or overcharge. They are not consistent even doing that. There are loads of brands that appear to be the same type of charger (B6V2, B6V3, TB6, B6 and etc.)). My guess is some work but others use cheap components in their processing boards which accounts for the poor results.

Has anyone bought a charger lately that does a good job on NiMh? thx
Old 09-12-2021, 11:11 AM
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Can't believe there are no answers. I can only guess most are flyers and don't use NiMh.
Old 09-12-2021, 08:59 PM
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The problem is that few modelers use Nimh batteries these days and those that do have chargers that are many years old that do the job well. I suggest that you buy an older high quality charger. Quality brands you might look for include Schultze, Sirius, FMA, Great Planes and others. I think if you posted a “Want” add on this board or other hobbyist boards you would have great success. I bought 3 Schultze chargers that sold for $300 each when new, for $75 for all three through a ad on a hobbyist message board.

You might also consider Enloop Nimh batteries. They are much superior to traditional Nimh batteries in many respects, are easily purchased and specialized Enloop chargers readily available. I have switched to Enloops for most of my hobby applications as well as household applications. Impressive batteries!

Look for Enloops on Amazon or here:

Last edited by 049flyer; 09-13-2021 at 09:54 AM.
Old 09-14-2021, 03:29 AM
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My Supermate DC6 charges NiMH just fine. And it determines the cell count automatically. I've charged both 4 cell and 8 cell packs and it tells me what I have. It does set the charge rate to 1 Amp but that can easily be changed. And I've charged 800Mah to 2500Mah packs without a problem.
Note: I don't like to go above 1 Amp charge rate so if my 2500 Mah packs are really low it make take two times to charge them fully since the DC6 has a time limit. But that only happened once.
PS: It is really low cost. Much lower than the major brands.

Last edited by rgburrill; 09-14-2021 at 03:32 AM.

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