Batteries for Blinky
#1
Tech Initiate
Thread Starter
Batteries for Blinky
Hello! I am in search of new batteries. I mainly race 17.5T Blinky with max 4.0 ratio, 21.5T Blinky with no ratio limits and our local hobbyarenas own class, Slow-Mo, where all cars are put on a dyno and made to run 20 kmph/12 mph and as I am a A-final guy I need to run 20 kmph for 20 minutes straight with some punch. I have currently used Gens Ace 6000 70C batteries for Blinky classes and Turnigy Nanotech 7500 batteries for Slow-Mo class.
The batteries should have 6000+ mAh, high C rate and close or under 300g in weight. They should cost 90€ max and the shops should be in Europe.
I have looked at the Vampire Racing 6400 100C batteries and Muchmore 6400 110C LGC batteries.
The batteries should have 6000+ mAh, high C rate and close or under 300g in weight. They should cost 90€ max and the shops should be in Europe.
I have looked at the Vampire Racing 6400 100C batteries and Muchmore 6400 110C LGC batteries.
#3
Tech Adept
#4
Tech Initiate
Thread Starter
Another question: Is 1 battery enough to practice or would I need two batteries? Our races are 5 min + warmup 2 min. There's under an hour between races and I am charging with 10A.
#5
Tech Elite
iTrader: (37)
Best performance requires high capacity to maintain voltage over the run, and low Internal Resistance (IR). Both of these generally improve with increasing battery weight.
Battery IR isn't quite as important for 21.5T as it is for 17.5T, but a lower battery IR will still help.
Battery IR isn't quite as important for 21.5T as it is for 17.5T, but a lower battery IR will still help.
#6
Tech Initiate
Thread Starter
Which stores in Europe sell and/or distripute PCR or R1 Wurks batteries?
#7
#8
http://shop.norcalhobbies.com/brands...c-2s-lipo.html
#10
Tech Elite
iTrader: (9)
Best performance requires high capacity to maintain voltage over the run, and low Internal Resistance (IR). Both of these generally improve with increasing battery weight.
Battery IR isn't quite as important for 21.5T as it is for 17.5T, but a lower battery IR will still help.
Battery IR isn't quite as important for 21.5T as it is for 17.5T, but a lower battery IR will still help.
#11
Tech Adept
The mentioned Muchmore 6400mAh does weight 270g, so I would assume the 60g advantage should more than compensate for the slightly lower capacity. Right now on carpet I am recharging just under 2000mah after each round (5 min + warmup). I am considering these to replace my LRP 5800 stock spec. I am curious though what the difference to their Max Punch version is, which is heavier with 6200mah. Anybody have an idea?
#12
Tech Master
iTrader: (6)
Intellect America doesn't make batteries. They buy them from Asia like everyone else. Batteries differ from batch to batch and manufacturer to manufacturer. Lumping them all together, while convenient, isn't correct at all. There's not many actual battery manufacturers, but there is a clear difference in the batch purchased and the factory it's made in.
#13
Tech Master
iTrader: (6)
There is actually a little bit more to it than that, but it's a decent generalization. Really what you are looking for is battery curve first. Not all batteries drain the same way. Some can hold voltage longer than others. It can be a difference of running for a full 6 mins @7.8V (under load) or running @7.8V for the first 4 minutes and 7.4 volts for the last two. But the only way you'll truly know the curve is by testing and running them.
A typical lipo has a curve that isn't constant, meaning it's curve flattens out for a while and provides that constant power for a while then starts to fall off. Finding a good battery means you'll be looking for the battery that runs at a high "flattened out" curve for the entire duration of your run.
Keep in mind, not all branded batteries are the same from batch to batch as well. Buy a battery in July that performs really well, then purchase another in April and it's curve can be completely different because it was purchased from a different batch from your first battery.
A typical lipo has a curve that isn't constant, meaning it's curve flattens out for a while and provides that constant power for a while then starts to fall off. Finding a good battery means you'll be looking for the battery that runs at a high "flattened out" curve for the entire duration of your run.
Keep in mind, not all branded batteries are the same from batch to batch as well. Buy a battery in July that performs really well, then purchase another in April and it's curve can be completely different because it was purchased from a different batch from your first battery.
#14
Tech Elite
iTrader: (9)
Intellect America doesn't make batteries. They buy them from Asia like everyone else. Batteries differ from batch to batch and manufacturer to manufacturer. Lumping them all together, while convenient, isn't correct at all. There's not many actual battery manufacturers, but there is a clear difference in the batch purchased and the factory it's made in.
Intellect America is a division within IP, If buying in the U.S. your Reedy, Orca Lipo came from Intellect America via IP
Last edited by dawgmeat; 11-11-2016 at 09:03 AM.