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Nominel meens nothing 3,6 or 3,7 its all the same , max charge is 4,2 for both lipo and li-ion, li-ion have more usable energi no matter if it says 5000mha on both the li-ion have more time running
I would never have expected this! Instead I would have expected all manufacturers would be advertising their regenerative braking all over the place, if it was a thing! Thanks for your fantastic and insightful content. 👍🏻
The manufacturers of these batteries should be held to a much higher standard. It’s understandable that these batteries are used for devices that are categorized as “toys”. So it’s easy to inflate ratings with that thought in mind. But did these manufacturers forget that these batteries are being used in toys that can potentially cause great bodily injury? Imagine buying a battery for your remote control flying RC, only to have it fall from the sky because of inflated ratings. I guess it will take for something like that to happen before they are held accountable.
I’ve been buying batteries from zeee for years. I get the capacity listed if not better, and they perform well in my vehicles. Including their 10k 4s packs on a max5 5690 combo in a xrt. I know their C ratings are bullshit, but I’ve still had better from them than the likes of spektrum and traxxas. SPC batteries actually had extreme swelling for me, popped the hard case. Zeee packs have been stable. How ever I have gotten some bad packs from them, but unlike the local hobby shop, you can return these packs to Amazon even with the connectors chopped off
I have went through close to a hundred lipo’s in my boats and find there are no lipo brands I have used so far,telling the truth as far as C rating goes. As far as resistance goes I have some batteries with high resistance that go better than others with low resistance.
Another issue with the community is RCs being discontinued and unsupported after just a couple years or RCs that are still being sold having half their parts on permanent back order from every retailer including the manufacturer
Ummmmm yes you can use a 2s lipo in either the dx5c or pro lol just have to remove battery tray and solder your own connector and it works. I have a 2S 3000 mAh gnb in mine
This isn't about Traxxas' lies about top speed? 🤷♂ They also try to be as anti-consumer as possible with their batts. A whole video series about how bad for the hobby Traxxxas (or Horizon Hobby) is for the average consumer would be interesting. People need to be educated that only mid-stage capitalism is good. Early stage is the wild west full of snake oil poison while late stage is monopolies and dictatorships.
Battery ratings in mAh are like MPG ratings for cars....if you don't go over 10 MPH you'll get the MPG that they claim....and if you only drain your battery mildly, you'll get their top rating....anything more and the ratings will decrease....in both MPG and mAh
I bought a few Zeee batteries for my Losi MX ProMoto and they perform awesome for my style driving, lots of punch and long run time. So I bought a pair of larger (more Mah and more C rating) Zeee batteries to run in my Kraton 8s and it will run awesome for about 5 minutes then hit LVC. Let it sit for a bit and restart the truck and can go again like they were fresh batteries.
I had the same issue with some lectron pro batteries. I think the discharge is too low, your ESC makes the voltage drop so much that the ESC thinks it’s at LVC. Also even if you have great batteries that hit LVC normally, you can turn off your rc and turn it back on and it’ll act fine… for a second before it realizes the battery is dead… so they could just be dead and turning it off and on just resets the LVC status. Maybe get a cheap cell voltage checker to test. Hope this helps man!
Battery makers no most people are not going to test batteries to see if they are what they claim it’s already been found by people testing the ratings are way off they always say it’s a higher mah then it really is. This is pretty much false advertisement but no one is going to stop them from this so it is getting worse until some agency steps in & files a lawsuit. It’s ridiculous just put the correct info on the batteries. It’s the cell count that matters you run a high speed on a lower cell count & of course it’s not going to go as fast as the same mah count with a higher cell count.
C ratings have been inflated at least 4X over on most affordable packs for as long as ive seen. 100C Zeees are legit 20C, which isnt terrible but its 5x worse than they claimed. Just be real with us, we'll still buy it if it works....
I'm wondering if the same battery series remains the same over time. In pc components they often are released with high quality components and later when reviews are done replaced with lower quality components (they do that with ssd's for example).
No they are not, look into the good Lipo companies like Onyx, SMC or CHNL (Cheaper) etc. These top tier lipos batters are pushing the limits of what we have ever seen. The cheep Ebay / Amazon lipos, yes. But I would argue they are just for toys but if your a real hobbiest then your going to want some good lipos.
Are you taking into account the temperature of the battery when testing ? At what temp are the batteries tested ? I ask because a heated battery will have a lower IR than a cool/room temp battery. example a battery of 90f vs 70f
The problem is many manufactures are actually selling Lion chemistry pouch cells as LiPos. These have 3.6v average voltage per cell vs 3.85v. True Lipos are Lithium Cobalt Oxide chemistry and can deliver 50% of their energy to 3.85v midpoint vs 3.6v for Lion. You can do a CC CV discharge test to see what the midpoint voltage is for half the rated mAh. 3.85v for true lipo and 3.6-3.7v for Lion pouches. Lion pouch and LCO LiPos can have the same IR, but LCO will still perform better because it holds a higher voltage under load (about 7%). Manufactures do this because the cobalt additive is expensive, and cobalt free Lion can tolerate a lower over-discharge to 2.5v before puffing vs 3.0v for LCO.
I run in the nprc of rc and we draw a lot of current in a very short time. I would love for you to review some of the top batteries we use in no prep to see if they are indeed high performance batteries.
Well sometimes you get what you pay for guys I bought two Azure 4 s 9000 mah compition batteries and they are violent and very strong one of the best speed run batteries you can get but not in Canada pay a lot for theses through iland hobby nut in New York but I did grab two smc 5200 mah from extreme hobbies in Chillawack Bc increased my wife’s felony buy 12 mph up to 112 mpg not a compition batt but a great batt check it out H and w racing channel
I am consistently getting higher speeds out of my 35c 2300 mah batteries than my much more expensive 100c 2300 mah batteries. They have the same xt60 connectors and I am running them on the same car. I agree, I am seeing the same trend. I re-soldered the connectors to see if they were not soldered correctly, but even after I re-soldered the connectors, I had the same results. It is disappointing that some of these companies are stating false numbers.
C rating I don't believe it .I recently broke world 🌎 record with electric rc plane, so I ask you, what manufacturers are best powerful battery is what I'm looking for and happy to mention you channel
does this apply to jet drives? im trying to build a 30 inch monohull jet driven boat and i dont know what diameter and power it needs, does the formula at 6:00 apply to jet drives or not?
I did most of that naturally. Seemed the obvious way to land. I’m no expert though, cracked up my jet a few times but I think we can agree there are easier aircraft to land. Thanks.
