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Turnigy AA Ni-ZN 1500mAh High Voltage (ready to use)
Turnigy Ni-ZN (Nickel-Zinc) batteries offer high voltage and excellent cycle life when compared with Ni-CD/Ni-MH batteries.
The nominal voltage of these Turnigy Ni-ZN cells is 1.6V compared to that of only 1.2V with Ni-CD/Ni-MH. This means more power for your device and longer usable capacity. Our Ni-ZN cells provide on average 50% more usable capacity per cycle compared to a standard Ni-CD/Ni-MH cell of the same rated capacity.
Specifications: Category: RechargeableAA battery Capacity: 1500mAh Voltage: 1.6V Chemistry: Ni-ZN High Voltage Weight: 25g Dimensions: 49x14mm
*Note: When charging these Ni-ZN cells, set your charger to Ni-CD/Ni-MH mode using CV (constant voltage) charge function. Set the cutoff voltage to 1.9V per cell.
We guarantee our cells are true to their capacity! Sadly battery marketing is an evil game, with overstated capacity being the industry norm. Generally speaking, battery factories will suggest vendors to overstate the capacity by at least 30%, marking 1800mAh cells with 2300mAh labels or more! While this might work for toy stores, such marketing tactics wouldnt survive 1 week in our store with customer feedbacks and reviews, and thats why we guarantee our TURNIGY 1500mAh Ni-ZN cells to be at least 1500mAh!
I was able to charge them using lipo storage program on my Thunder AC6 ( imax b6 clone ). It gives me constant current mode with 3.8v cuttoff voltage, so i can charge sets of two batteries with 1.9v cutoff.
I've setup the charger program to 0.3A with 1600mah capacity cut-off and 450 min safety timer.
It would be good to see someone developing an open-source firmware for those kind of charges that enable us to manually create a charging profile .
The only problem I've found so far is that i need to make sure both batteries are at the same charge level, because i'm unable to balance the set.
How did you control voltage of each cell? If serial cells are unequally discharged, one ends overcharged. There is no option to use balancer for 1.9V as yet.
I didn't. That's the problem. Since i only use them together, before the charge I measure them to make sure they are around the same voltage. Next charge I'll keep the multimeter on to see if they are getting overcharged.
TENHO ESTAS BATERIAS EM MEU TX FUTABA 6 EX, USO 6 CELULAS NO TX E USO 3 CELULAS NO RX E CARREGO COM O CARREGADOR ORIGINAL QUE VEM COM O TX E TUDO NORMAL DEIXO 12 HS DE CARGA COM ESTE CARREGADOR!!
Carregar com o carregador original, seja ele para baterias de lí*tio ou de NiMH, nã*o é* o correto. Na melhor das hipó*teses, tuas baterias de NiZn nã*o estã*o carregando até* a capacidade má*xima* na pior, você* pode danificar as baterias, pois o mé*todo de carga para baterias de NiCd/NiMH é* diferente do mé*todo para NiZn.
O mé*todo mais correto é* usando um carregador pró*prio para baterias NiZn. També*m dá* para carregá*-las aos pares, em sé*rie, num carregador desses do estilo do Accucell e similares, como se cada par fosse uma cé*lula de LiFePO4. O problema dessa segunda alternativa é* que as baterias ficam carregadas com 1.8V ao invé*s de 1.9V, que é* o valor de carga má*xima, ou seja, ligeiramente subcarregadas, mas pelo menos se tem a garantia de que nã*o serã*o danificadas. Espero ter ajudado.
Obrigado George. li nas especificaç*õ*es acima que para carregar no carregador accucell sem problemas deve-se alterar o modo Ni-CD/Ni-MH e depois colocar como corrente continua e alterar a voltagem para 1,9v.
Ah sim, se o carregador tiver essa opç*ã*o, tudo bem, mas muitos dos clones do Accucell, ao que parece, nã*o tê*m. O meu, por exemplo - um HKC6 - nã*o tem.
No, I charged them with the nizn battery charger that HK sells. Maybe these batts just can not be used the way I was using them or maybe they are ****. Either way I will not be buying any more. I got some nimh from walmart that work much better.
You have to use special nizn charger, not nicad/nimh - they make delta peak control of charge the completion. So you can kill your ni-zn battery with wrong charger. 2 They self-discharge more rapidly than LSD 2400.
I'm a complete noob btw. but can I recharge 4 of these batteries at the same time with this charger??
http://www.hobbyking.com/hobbyking/store/_ _27991__NiZN_AA_1_5A_Battery_Charger.html
I charge them with Nimh mode and 0.5a I dont have AccuCell-6 but i have Just Another Charger and its almost the same what comes to settings. No problems so far.
With my charger, I charge them in pairs using the LiFe setting (2 NiZn = 1 LiFe). The batteries end up slightly undercharged at 1.8V/cell, but it's better than nothing.
AccuCell 6 hasn't CV mode for NiZn, but i'm charge with 0.5A in NiCd mode and 1900mAh capacity limit. Battery has temperature 35C in the end of charging. There is true >1500 mAh output capacity. It's may be wrong, but it work, I'm don't want deal with one more charger specially for NiZn.
It's possible, but not guaranteed. I use 8 of these with a JR F400 and it works fine. There is a risk you could damage your transmitter, since the voltage of the cells is 1.9V when fully charged.
If you don't want to risk it, you could put 6 or 7 NiZn cells and use one or two dummy cells.
Does any body have tested its continuous max. discharge rate ? Is it still maintain its capacity when disposed at the flying field in winter all day long ? Hope to get clear answer, and thank a lot in advance for the kind answer... ^_^
I don't think it is the purpose of using this to discharge at a maximum. these batteries are excellent for more "common" use. Ideal for you're transmitters(tv), mouse for pc and WII-balance-board that require more or less 3(or6)Volt input and don't define a fully charged 2.4volt nicad as an "empty" battery :-)
Thanks a lot ! I believe, if above mentioned characteristics are good enough for some criteria, this is a good replacement for NiCd/NiMH rx packs for relatively small glow planes as well as tx packs. So the temp. characteristics and the max cont. discharge rate should be tested to give a guarantee of safety margin. I think hobbyking is introducing this batt. for r/c use.
Durant la dé*charge de l'accumulateur, le zinc, matiè*re active né*gative, est oxydé* en oxyde de zinc non conducteur et en zincate de potassium soluble dans l'é*lectrolyte.
En recharge, ces produits d'oxydation sont ré*duits en zinc mé*tallique, qui se redistribue de maniè*re irré*guliè*re dans l'é*lectrode, et gé*nè*re des croissances anarchiques abusivement qualifié*es de «* dendritiques »*, conduisant à* la mise en court-circuit de l'accumulateur.
During the discharge of the battery, zinc negative active material is oxidized in non-conductive zinc oxide and potassium soluble galvanized in the electrolyte.
In charging, these oxidation products were reduced to metallic zinc, which redistributes irregularly in the electrode, and generates improperly referred to as "dendritic" anarchic growth, leading to short circuit the battery layout.
Wikipedia
Sanyo Battery charger
Model NC-MQR06W.
Charge rate selctable
560 mA,
1120 mA,
1680 mA. No spec on pdf or charger of cut off voltage or rcurrent rate at charge cut off. I would only charge at the lower rate and monitor each cell temperature for the first couple of charge sequences.
Regards Don
Hello Don. Have a look at the Wikepedia website concerning Nickel Zinc batteries,gives a lot of good information and suprisingly they do not recommend trickle charging for various reasons so use the 560ma setting this should be fine.
Cheers , will do. I was more interested in if the sanyo 4 x dingle channel charger will cut off too soon or if the nizn peak like a nimh.
I'm bassically trying to find a easier way so my 14 yr old daughter can charge them without me trying to figure how to program my charger to peak detect correctly.
Regards Don
I'll report back with findings once they arrive
Nope the eneloop 4 ch Nimh charger doesn't work, says charged as soon as connected.
One cell open circuit voltage 1.71 , one 1.65
under 0.44amp load after 15 seconds v drops 0.2v so 1.5 and 1.4. ( fluke 77 )
Not sure of the state of charge at present.
I'll sus the spec sheet , charge and retest
Don
Finally charged using PB setting and turning off while watching the meter.
Spec says standard charge constant voltage 1.9v 300mA max charge complete once current below 50 mA.
Performance sofar in daughter's cheapee sony camera sweet as with no complaints. Brand new eneloops straight form charger would show low batt on installation.
Success, thanks HK.
Do I really need these? After running around the Net and reading all the reports and reviews I honestly don't think I do. Try to convince me please. I hate to shun new technology.
I use them in an older camera that likes the voltage. NiMh had to be overcharged for it to use them, so their life was short, NiZN takes care of the problem nicely. However, for RC you could use them as a transmitter pack. Four batteries would give you over 6.4v of power/speed on your servos. A three pack of these batteries is the same voltage as a four pack of NiMh, saving a bit of weight. Might even be able to use them in your kid’*s RC car as a cheap way to over-volt and gain a bit of speed. As long as it doesn’*t smoke the electronics.
Not deadyet, you may not be but I know a few servos would be using 6.4 volts. HK has taken to actually warn buyers not to use over 5 volts on certain servos and guess who bought some?. I've been geared up for nicads and then NimH cells for years. I just can't see a valid reason to change. Plus I'm very dubious about connecting 7.6 volts of freshly charged batteries into some of the latest gadgets I own which ask for 6 volts. Actually most of today's gadgets require specific Li-Ion packs unfortunately. Then there's that cheap charger. By the way Rob, who did all this testing. I haven't read any results except many very expensive flash guns going up in smoke.
If AAA cells are available in NiZN with a comparable discharge capacity to NiMh or NiCd, there could be a huge demand from those with Kyosho Mini-Z cars, as a 2 cell Lipo can't be used as the voltage is too high and LiFe batteries are scarce and too expensive.
Dennis, g'day mate, LiFe batteries aren't so scarce. I run all my transmitters on them and never had any problems getting them. I'm not sure what size you need but HK do carry a fair range. They certainly outlast the equivalent in AA cells.
Hi Waterlogged, the LiFE cells used in Kyosho Mini-Z cars are about 400mAh. Kyosho-R246 LiFE battery packs made for the car comprise of 2 cells connected in series by wires, one on each side of the car. Each cell must be able to fit in a compartment the size of 2 AAA cells side by side. (HK currently do not have LiFE cells small enough). The Kyosho LiFE packs currently sell for over $25 on Ebay. This is why I thought it would be so much cheaper to achieve the higher voltage using 4 x AAA NiZN cells in the car, and they would fit straight into the car without any modifications. Cheers.
I'm afraid not. There are very few chargers for this battery. The terminal voltage of 1.9 volts is the killer. Most of the chargers we have for charging lipos won't allow settings of 1.9 volt cutoffs. The closest is 2.00 volts on Pb setting. This will lower the lifeof the battery slightly but they are only good for 200 cycles anyway. That compares with 500 to 1000 with NIMH. Those cycles are dependant upon proper use and charging of course.
Colleagues, I'm sorry, but HOW to set (some) charger to using CV for Ni-CD/Ni-MH??????????????
It is logical to update Turnigy charger firmware for support Turnigy Ni-ZN
I have check all my chargers included amongst them are the Accucell 6 and no where can I find the option to change the voltage per cell to 1.9 and charge using CC-CV mode in the NiMH-NiCD screens ?has any actually successfully done this ? The closest I can see is the Pb screens but you are fixed at 2.0v per cell ?
any suggestions please.
The cutoff voltage that is 1.9V per cell. You need to charge on Ni-CD/Ni-MH mode, using CV function. That´*s the problem, I can´*t set the CV function.
same here, also I can't see how to set the voltage for a NiMH or Nicad in any of the function windows, I reckon we need a dedicated charger or at least a charger that lets one set those variables.
Recent most chargers are using delta-peak charge method for Ni-H and Ni-Cd batteries. Noway to set cut-off on 1.9 V. However, I did experiments in delta-peak method by justcharging it as Ni-Cd batteries. Charging input voltage reached up tp 2.15V to charge fully 1600 mA. No harm but a little warm like charging Ni-Cd or Ni-H batteries. It could be fully discharged 1550 mA at 1A and reached 1.0-1.2V. I am not sure it is dangerous or not. But it is only way to charge Ni-Zn with my i-charger and other chargers.
Guys, if you look at the charge LiFe batteries you will see that there just is CV charge. Up to 3.6V per cell. If you charge for 2 pcs NiZn you get a 1.8V , little undercharged but never overcharged.Try :)
Do these type of batteries have a lower self-discharge rate than normal NiMh batteries while sitting on the shelf, or do they self-discharge at a lower rate?
They have a much lower self-discharge rate ,they may be similar to the other NIMH Hobbyking is selling .
I use them now for two month in a weather station
and normally I see the symbol for low battery after one month ,they hold there power very well .
Guys, mine just arrived and I whacked them in the Foxtel remote. Fixed the weak distance issue that using NiMh causes. Brilliant hobbyking. Nice work
Work a treat in wii remotes too!
What do you do when they need charging? I certainly wouldn't advise using the recharger belonging to the Wii. Honestly, these batteries require dedicated chagers and guess who makes them...... The same company who makes the batteries. Barring any clones made in China of course.
Spitfire will you take those batteries out of your remote!! you keep changing my tv channels. And i am not into fat ladies belly dancing.
Charger is now available.
"NiZN AA 1.5A Battery Charger"
thats a killer reply, b.t.w. what chanell no was that.
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martin555
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charge NI-ZN with accucell, IMAX, HYPERION, Icharger EASILY: set charger to LI -FE mode, 1 cell life = about 2 cells of NI ZN. build a battery pack of 2-4-6 etc NI ZN cells, charge with half C or 1 C(0,5-1-1,5A)
hope the life cycle will be good, wikipedia says about 300 cycles instead of ni-mh 1000 cycles.
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herofromzero
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İ just recieved these battaries. İ try on my glow drive it fries O.S number 8 plug in a sec. İts may be over powered for glow plugs or just coincidence. İll use on 2.4 ghz recivers and backup batt for glow drive
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