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alex nicol19/01/2020 19:24:27
339 forum posts
15 photos

I'm looking for a fast charger capable of charging multiple 4.8v & 6v rx flight packs (nimh)

Is there any such reasonably priced item out there you'd recommend.


Trevor Crook20/01/2020 11:48:47
908 forum posts
67 photos

How fast? Mains or 12V powered?

Gary Manuel20/01/2020 12:00:49
2086 forum posts
1528 photos

I wouldn't recommend fast charging Nimh's.

Mike T20/01/2020 12:55:10
437 forum posts
29 photos

You shouldn't zap NiMH like you would a NiCd, but 2C is generally reckoned to be OK.

I recently bought one of these: Turnigy Quad 4x6S , primarily for LiPos, but it will do everything else as well. Seems to be working very well so far (about 6 months use).

There's no mains input - I just get 12v from a cheap converted server rack supply.

Nigel R20/01/2020 13:42:45
3407 forum posts
524 photos

If you have a 12V supply capable of a few hundred mA, a 5W 40Ohm dropper resistor will get you around 150mA current into a nimh pack for trickle charging. Couldn't be simpler and is all I regularly use on nimhs*.

Overnight trickle charging also has the handy benefit of balancing the cells - something a one hour charger will not do.

* Barring an occasional capacity check done via a standard four button charger.

alex nicol20/01/2020 15:17:08
339 forum posts
15 photos


Thanks for your responses. My current set up is an old Fuzzy logic charger powered from an old 12v car battery.

The flight packs are 2600mah which I charge at 700ma and it takes approx 3.5hrs. The reason for my question is occasionally I may take a couple of Petrol models with me and I was looking for a reasonably quick/simple way to charge 2 ignition packs and 2 Rx packs.

By quick I mean 3.5-4hrs ish

Frank Skilbeck20/01/2020 15:57:39
4576 forum posts
101 photos

If you want to charge up 4 pack simultaneously then the Turnigy charger above would do that, plus it will have a cycle facility so you can periodically discharge and recharge them. If you wanted a mains/battery powered unit then I've been using the Overlander/SkyRC D100 dual charger, which has worked well, but it can only do 2 batteries at a time.

Nigel R20/01/2020 16:04:43
3407 forum posts
524 photos

If you're looking at charging at the field in that kind of time, I'd use a single charger, do them one at a time at a 'one hour' charge rate. Any of the 4 button jobs should do it.

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