Need to learn about rechargable batteries
03-04-2011, 08:27 PM
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Need to learn about rechargable batteries
for my jato,3 questions,how long after charging them fully do they last before having to be recharged? What charger will charge these(link) ? How long does it take to fully recharge them? Thanks,i'm extremely lost when it comes to this recharging,but i'm tired of buying throw aways.
http://www3.towerhobbies.com/cgi-bin...&P=ML#tech
http://www3.towerhobbies.com/cgi-bin...&P=ML#tech
03-04-2011, 08:35 PM
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RE: Need to learn about rechargable batteries
depends on charger
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
03-04-2011, 08:51 PM
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RE: Need to learn about rechargable batteries
ORIGINAL: nitroholic
Hmm.I have some homework to do.
Hmm.I have some homework to do.
This is the manual for the charger I have. It explains most everything pretty well.
03-05-2011, 07:17 AM
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RE: Need to learn about rechargable batteries
This site has a TON of information on every kind of battery out there.
http://batteryuniversity.com/
But if you're just looking at rx or tx batteries then just find as large a capacity hump pack rx battery as you can find for the car and get an inexpensive nimh charger for it. The hump pack will outlast throw aways and the charger will do the work for you. As for the tx batterys, I just use AA rechargables and the cheap wallwart typy chargers you can get at nearly any store.
Now, if you are contemplating going to eletric rc's then it would be time to invest in a more expensive, versital charger.
http://batteryuniversity.com/
But if you're just looking at rx or tx batteries then just find as large a capacity hump pack rx battery as you can find for the car and get an inexpensive nimh charger for it. The hump pack will outlast throw aways and the charger will do the work for you. As for the tx batterys, I just use AA rechargables and the cheap wallwart typy chargers you can get at nearly any store.
Now, if you are contemplating going to eletric rc's then it would be time to invest in a more expensive, versital charger.
03-05-2011, 01:15 PM
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RE: Need to learn about rechargable batteries
Thanks,Dave,after a hump pack is fully charged,about how many tanks of fuel you think could be run through it,at ten to 13min a tank,before it becomes dangerous.Getting low.
03-05-2011, 01:55 PM
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RE: Need to learn about rechargable batteries
That's extremely helpfull,there's alot to it ,unlike the 7.2 i have (1200) for EZ start.Thanks.
03-05-2011, 02:18 PM
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RE: Need to learn about rechargable batteries
ORIGINAL: SyCo_VeNoM
depends on charger
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
depends on charger
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
03-05-2011, 02:48 PM
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RE: Need to learn about rechargable batteries
When i completly discharge my 1200 - 7.2v,it takes 18 to 20 minutes,and it puts out just over 8v.It's been used more then a dirty women,for yrs,still holds a charge good.The charger is a Hobbico15min quik charger,battery both from tower.It's so old i can't find the charger anymore.I'll put some pics up later,you'll probably recognize it.It's probably been discontinued,it still has the original fuse in it.
My mistake it's tower power.1500 7.2
My mistake it's tower power.1500 7.2
03-05-2011, 04:43 PM
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RE: Need to learn about rechargable batteries
ORIGINAL: nitroholic
When i completly discharge my 1200 - 7.2v,it takes 18 to 20 minutes,and it puts out just over 8v.It's been used more then a dirty women,for yrs,still holds a charge good.The charger is a Hobbico15min quik charger,battery both from tower.It's so old i can't find the charger anymore.I'll put some pics up later,you'll probably recognize it.It's probably been discontinued,it still has the original fuse in it.
My mistake it's tower power.1500 7.2
When i completly discharge my 1200 - 7.2v,it takes 18 to 20 minutes,and it puts out just over 8v.It's been used more then a dirty women,for yrs,still holds a charge good.The charger is a Hobbico15min quik charger,battery both from tower.It's so old i can't find the charger anymore.I'll put some pics up later,you'll probably recognize it.It's probably been discontinued,it still has the original fuse in it.
My mistake it's tower power.1500 7.2
03-05-2011, 05:03 PM
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RE: Need to learn about rechargable batteries
ORIGINAL: 1QwkSport2.5r
Charging a NiMH that fast will shorten its life considerably. Fast charge, but hard on the battery pack. A better choice is around 200-300mA for several hours. The charger I use is from OFNA - it charges at 6v/200mA which would take about 6 hours to fully charge a 1200mAh pack. I use MaxAmps 1600 6v flat packs for my LST2's and I charge these for 8 hours. The packs are slightly warm to the touch and read 6.4-6.5v right off the charger. I am all about ''slow and steady wins the race''. I can run my 1600 packs in a 1/8th monster truck for over 3 hours on a single charge, easy.
ORIGINAL: SyCo_VeNoM
depends on charger
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
depends on charger
generally 1 hour to charge seeing the max you should charge a NiMh at is 1C(the rated capacity) which is 1200mah (aka 1.2Amps)
I'm not a huge fan of NiMh's
The few NiMh batteries I own I charge at 1C(it is also printed on the battery, or was till the label fell off) and not had any issues with their life span so far.
I prefer AA's in my nitros so I don't gotta worry about taking a battery pack out and charging. And seeing they last at least all season I've got no issues
Now my radios I slapped 3S lipos in those suckers seem to last forever
03-05-2011, 07:44 PM
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RE: Need to learn about rechargable batteries
That's true,cause really,they do last awhile,then when you feel uncomfortable,they can be used as flashlight batteries.I was up in NY today,Home Depot and they were $11 something like that for,i forget like 20 batteries,maybe $14 i don't remember positivly,but that's a season easy.Rather then go thrugh the hassle and $ with chargers,and all that,i might just stay with throw away's.There were Energizer's and Duracell's to choose from,i personly preffer the bunny,enrgizer.
03-06-2011, 05:25 AM
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RE: Need to learn about rechargable batteries
The thing I don't like about NiMh cells is they discharge by themselves, which makes them unsuitable for a flashlightI may need in a hurry. Many of them run at 1.2v-1.3v also. I use alkalines in anything I need to be reliable. As to stick pacs, ever since the 80's I was using an Artex peak charger, then later aPro-Tech. We'd run until the battery petered out, then fast-charge and go again. All those batteries still work, believe it or not, even an old Tamiya hump pack which came with my Grasshopper.
Now I'm wondering what I can use my (new) NiMh sticks for when Iswitch to LiPos.
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
Now I'm wondering what I can use my (new) NiMh sticks for when Iswitch to LiPos.
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
03-06-2011, 06:45 AM
#16
RE: Need to learn about rechargable batteries
ORIGINAL: Moontan13
The thing I don't like about NiMh cells is they discharge by themselves, which makes them unsuitable for a flashlight I may need in a hurry. Many of them run at 1.2v-1.3v also. I use alkalines in anything I need to be reliable. As to stick pacs, ever since the 80's I was using an Artex peak charger, then later a Pro-Tech. We'd run until the battery petered out, then fast-charge and go again. All those batteries still work, believe it or not, even an old Tamiya hump pack which came with my Grasshopper.
Now I'm wondering what I can use my (new) NiMh sticks for when I switch to LiPos.
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
The thing I don't like about NiMh cells is they discharge by themselves, which makes them unsuitable for a flashlight I may need in a hurry. Many of them run at 1.2v-1.3v also. I use alkalines in anything I need to be reliable. As to stick pacs, ever since the 80's I was using an Artex peak charger, then later a Pro-Tech. We'd run until the battery petered out, then fast-charge and go again. All those batteries still work, believe it or not, even an old Tamiya hump pack which came with my Grasshopper.
Now I'm wondering what I can use my (new) NiMh sticks for when I switch to LiPos.
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
03-06-2011, 09:55 AM
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RE: Need to learn about rechargable batteries
ORIGINAL: Moontan13
The thing I don't like about NiMh cells is they discharge by themselves
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
The thing I don't like about NiMh cells is they discharge by themselves
OT: If you use a mini-maglite regularly, using NiMh cells will dim it slightly, but it greatly increases the time between bulb replacements.
Of course the bulbs last longer, the voltage is lower so there's less stress on the filimant. Run a higer voltage battery, if you could find one that fits, and the bulb will be brighter but life will be shorter
