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Model Forum / Radio Controlled / Land Models / March 2007Rx pack chargers
Can anyone suggest a charger/conditioner for receiver packs, one that supports multiple packs simultaniously, preferably with slow and fast charge rates? One that supports 2 packs at once is ok, but I'd really like one that does up to 4. Thanks, Greg. > Can anyone suggest a charger/conditioner for receiver packs, one that > supports multiple packs simultaniously, preferably with slow and fast > charge rates? One that supports 2 packs at once is ok, but I'd really > like one that does up to 4. Thanks, Greg. 2 pack chargers are pretty common but I think a 4 pack charger would be pushing the price limit for what you want it for. MRC Super Brain 977 will do 2 packs charge and/or discharge, 1-9 cells and costs around $95 USD. Its also a AC/DC charger from what I can tell. It will also charger almost every type of battery. Next up the price range would be something like the Schulze range of chargers. The ISL6 - 330de also does 2 packs. The positive about this charger is the firmware can be updated with a simple eprom replacement so it will never go out of date. I think it sells for around $150 USD. I think Schulze also do a 4 or 5 pack charger for around $900 USD. Something else you might consider looking at is a charger that is capable of charging lots of cells. My charger will charge 1 - 30 cells and I charge a pair of packs for the Emaxx at the same time since the packs only get used in the Emaxx. The only thing I do is discharge them separately. Cheers > > Can anyone suggest a charger/conditioner for receiver packs, one that > > supports multiple packs simultaniously, preferably with slow and fast [quoted text clipped - 21 lines] > > Cheers I was looking at the isl6-330de, and I guess I just don't understand how these work. How can it charge 30 cells at once? Do they all have to be in one big pack? It says the 977 will do 2 packs, and 1-9 cells, , is this each pack, or both put together? It appears, by the connecter that they are designed for the large battery packs, is there some adapter needed to attach receiver packs? If someone has a link to somewhere that explains all this in detail, I would appreciate it. Thanks. > I was looking at the isl6-330de, and I guess I just don't understand > how these work. How can it charge 30 cells at once? Do they all have [quoted text clipped - 4 lines] > If someone has a link to somewhere that explains all this in detail, I > would appreciate it. Thanks. When I charge the 2 packs for the Emaxx I have a separate charging harness with a pair of deans plugs wired in series, that way the charger will see 12 cells. The problem you run into when you charge more than about 10 cells is having a power supply that can supply enough amps and continuos volts. My little power supply is just on its limit for charging the 2 packs @ 5 amps. At 30 cells a charger obviously becomes a inverter since it only has a nominal input voltage of 12 volts. So 30 cells would want a supply voltage of at least 36 volts which the charger handles. This is why you would need a power supply that has a output of around 3 - 4 times the charge current needed. Yes you would have to make a adapter for your receiver packs. My charger has banana type sockets on it and didn't come with any charge leads, so I just made them up to suit. I have one lead for charging the single cell glow starter, one for the rx and tx packs, another for single 6 cell packs or the Lipo packs, the one for the Emaxx packs and a last set for charging my 1:1 scale car battery. Hope that helps explain it a little bit. Cheers When you say "receiver pack" I am assuming you mean a 5 cell hump or flat pack? I know it's not what you are asking for, but I use Traxxas chargers from the Revo kits. Real cheap on eBay as you can usually snag one up for $20-$28 with a flat pack battery. I own 3 of them and they charge reciever packs pretty fast. http://search.ebay.com/revo-battery_Radio-Control_W0QQsofocusZbsQQsbrftogZ1QQfro mZR10QQcatrefZC6QQsojsZ1QQsacatZ2562QQcatrefZC6QQa6Z-24QQa23718Z-24QQa25263Z-24Q Qa39Z-24QQa10244Z-24QQgcsZ1400QQpfidZ1701QQreqtypeZ1QQpfmodeZ1QQalistZa6Q2Ca2371 8Q2Ca25263Q2Ca39Q2Ca10244Q2Ca3801QQpf_queryZrevoQ20chargerQQsargnZ-1QQsaslcZ2QQs adisZ200QQfposZQ5AIPQ2FPostalQQga10244Z10425QQftrtZ1QQftrvZ1QQfsopZ1QQfsooZ1 > Can anyone suggest a charger/conditioner for receiver packs, one that > supports multiple packs simultaniously, preferably with slow and fast > charge rates? One that supports 2 packs at once is ok, but I'd really > like one that does up to 4. Thanks, Greg. > When you say "receiver pack" I am assuming you mean a 5 cell hump or flat > pack? Yes, that is EXACTLY what I am looking to charge. I have that type of batteries I am looking to charge, what I was looking for is something that could also condition them, and do multiple packs at once. Shouldn't be too hard to find something that charges/cycles/discharges 2 at once...4 would be the trick... Accu-cycle... http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXEYD4&P=7 Tower search for "charger" to browse through... http://www2.towerhobbies.com/cgi-bin/WTI0095P?FVSEARCH=charger&FVPROFIL=++&search3=Go > > When you say "receiver pack" I am assuming you mean a 5 cell hump or flat > > pack? [quoted text clipped - 3 lines] > looking for is something that could also condition them, and do > multiple packs at once. > Shouldn't be too hard to find something that charges/cycles/discharges 2 at > once...4 would be the trick... [quoted text clipped - 12 lines] > > - Show quoted text - Thanks. I was looking through TH for chargers, I just don't know if I'm clear on it all. I looked at the Accu-cycle elite, and it looks, if I understand correctly, much like what I need. Since it states that each output can handle 10 nimh cells, am I correct in my thinking that 2 reciever packs (5 cell flat or hump packs) can be charged on EACH output, for a total of 4 simultaniously? Thanks for helping me understand all this. > Thanks. I was looking through TH for chargers, I just don't know if > I'm clear on it all. I looked at the Accu-cycle elite, and it looks, [quoted text clipped - 3 lines] > output, for a total of 4 simultaniously? Thanks for helping me > understand all this. That I am unsure of... I know there would be no problems with 1 pack per line being charged/cycled/discharged on the different lines with this charger.(total 2 packs at once) With 4 batteries,however, obviously you would need some sort of splitter, either for series or parallel (don't know which would be the more efficient or correct way) to obtain two batteries for each charge channel for a total of four... I also do not know what kind of effect this would have on the charger.. It should feasibly work, as in tricking the charger that 2 batts are actually 1...however, minute differences (voltage levels) in the packs may have an advert affect in the "synchronized" charge.(resulting in 1 battery possibly being charged more than the other) I also have no idea as to how a discharge would affect 2 batts on a single charge line.. I would almost think that it would be unwise to try it as well,as one pack may have a higher voltage or "more juice" than the other and possibly render one of them unchargable/unacceptable due to too low of a voltage (overly discharged). Sorry I couldn't help more. Good Luck! > > Thanks. I was looking through TH for chargers, I just don't know if > > I'm clear on it all. I looked at the Accu-cycle elite, and it looks, [quoted text clipped - 22 lines] > Sorry I couldn't help more. > Good Luck! It shouldn't be a problem charging two packs on the single output as long as they are done in series (and the charger can handle the number of cells). With parallel charging the charger see's two (as an example) 6 cell 3000 mah packs as one 6 cell 6000 mah pack, so the charge time will be doubled. You also have the problem of the packs equalising and the charger will most likely false peak a lot. With my Emaxx packs, I always discharged my packs separately and then charged them up in series so the charger see's one pack of 12 cells @ 3000 mah, charge time is the same as it would be if I only did one pack. I only do this with my Emaxx packs because they only get used in the Emaxx and they are the same age and capacity. Different capacity packs should not be charged two at a time. >It shouldn't be a problem charging two packs on the single output as long as >they are done in series (and the charger can handle the number of cells). [quoted text clipped - 10 lines] > >Different capacity packs should not be charged two at a time. How much of a problem if the packs are at different levels when you start to charge them? I assume that is the reason for discharging them beforehand. Also, after looking at the AccuCycle Elite http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXEYD4&P=7 I noticed it says nothing about 12v lead/acid batteries. Is it accepted that it can not do them, or is it such a basic feature that it is inherently possible? Thanks. |
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