a123 or lipo.... and other ?s

[turbo4]

Originally Posted by t-maxxracer32

what could i expect the runtime for the 6000 to be?

Ive asked that question recently, not sure if it was on this site. Anyhow for an emaxx Im hearing 30+minutes. Obviousely a lot will depend on the driver. I just ordered the 6000. Lessens the $ blow of the 8k's, plenty of amps and good run time.

What are some charger that will charge at 6 amps. Looks like all 3 of mine has a max of 2.5:002:

[t-maxxracer32]

if i were you id get the super brain 989. i have the ice and love it but it needs a power supply... and the 989 comes with one.

well im guessing that in a rusty it should have better runtimes then

[MetalMan]

Originally Posted by t-maxxracer32

think someoen can give me a good pros and cons for the a123 cells? because i dont see too many cons..

Compared to Lipos, cons are:
-heavier
-harder to solder

Here's my list of pros compared to Lipos:
-Much more durable
-Safer
-Can be charged faster with fewer negative effects
-Lower cost (16.5v 4600mah 140amps continuous for $100, for Lipo 14.8v 6000mah 120amps continuous [Maxamps] is $200)
-More tolerant of over/underdischarge

A123s can handle high charge and discharge rates better than any lipo out there (atleast on paper so far). After 1000 20C discharge cycles they are rated to only loose about 20% capacity. With heavy abuse of 30C discharges and 10C charges, they're still rated to last about 200 cycles! If charged at 4C they're rated to last 1000 cycles or more. Charged at 0.5C, 5000 cycles! No Lipo can claim anything even close.

Add to that they're very durable under physical abuse and tolerant of charging and discharging abuse. In a pinch they can be charged on a standard lipo charger as they will tolerate being charged up to 4.2V per cell.

Weight is their main downside IMHO.

[Scoob]

tmaxx32- The Ice has a Li-ion setting. I don't know if it will charge in 15 minutes though. It has 8 amp max I believe which would be about 3.5 C.

[bdebde]

I really like the Apogee li-mn batteries, they are safer than lipo and have the same voltage. They also charge the same as lipo, except you can charge at 2C (30 min or so)

[BrianG]

Originally Posted by bdebde

I really like the Apogee li-mn batteries, they are safer than lipo and have the same voltage. They also charge the same as lipo, except you can charge at 2C (30 min or so)

Those Apogee cells are a little on the pricey side though compared to Lipos or A123s...

[t-maxxracer32]

scoob i know it CAN charge the a123 cells but id like have to monitor it and what not though right? if i could just straight up use the ice and all the monitoring id have to do is set it and forget it!! (gotta love that commerical) but anyways if all id have to do is set it to the right specs and charge for 15 min then take it off id do that. but idk how easy it would be. anyone wanna let me know how it works?

also the 3s1p 2300 a123 cells only weigh 260grams compared to the 365grams of the 8000 lipo 2s2p i believe.

and i really dont plan on spending 200 bucks on 1 battery... i have a better time bashing then racing so even if the a123 are heavier its not that big of a deal.....


plus my revo is mainly my racing truck.

[GorillaMaxx360]

i don't know what the price of the a123 batts are but at the RC convention in Chicago they were selling 2 batteries and there charger(which by the way you just stick it on and leave it no setting or monitoring nothing and when the light flashes it done and you ready to go) i don't know about me but a good lipo costs 180 for one and 2 is 360 and you buy a 140 ice charger and then you buy a 100 ofna power supply and you are easily up to 600 bucks just so you can save some weight and get a small amount more of power. Now the second option might be worth it if someone has a charger that does charge lipos safely and Farly fast or they can get a heck of a sale on the lipos so they wont cost so much. But IMO for a bashing needs for 160 or 200bucks you get a more tolerable battery, very easy to charge (no programing) charger, a 15 minute charge time, the ability to charge it an unlimited time each day, and the cheapness, and all you give up is weight(which if you bashing is not to important) and voltage. So if you are bashing especially think about getting these batteries IMO. But if your racing the other batteries might have what your looking for but the A123 might also work because of the price. Sorry for the huge statement

[t-maxxracer32]

thank you much for the statement! i couldnt go lipos for now... my job pays 200 a month and all that goes to my dad for the truck payment (i only work 20 hours a month) so i have to find way for extra money and im not going to wait months and months to get a nice lipo setup! im going with the a123 batts but now all im thinking about is a couple diff methods


buying only the batterys and no charger- charge w/ ice(150 instead of 200)
buying the whole kit and not have to worry about charging with the ice (200)
buying the 36v dewalt pack and making myself 3 batts-use ice (100)
or buying the 36v dewalts making myself 3 batts then buying charger(like 150)

as you can see.... there are dissadvantages and advantages to each so idk..

what you guys think?

[GorillaMaxx360]

buy the A123 kit that comes w charger 2 batteries. good puch, fast charge, easy to use, and it is safe. plus it is only 160 at hobby show or 200 at store

[t-maxxracer32]

hobby show? website or something?


thanks!

[GorillaMaxx360]

it is when it comes to you town i dont think there is a website but it was a special offer so the only place to get them is probably on the website.

[t-maxxracer32]

ya figured. but heck 200 bucks is still a great deal.

thanks!

[bdebde]

Originally Posted by BrianG

Those Apogee cells are a little on the pricey side though compared to Lipos or A123s...

yeah that's true, but ya can't put a price on safety, not to mention cutting charge time in half!