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![KUNLUN 2 Pack 11.4V 3830mAh Mavic Pro Replacement Battery for DJI Mavic Pro, Mavic Pro Platinum, Mavic Pro Alpine White Drone with 2 Battery Safe Bags [NOT fit Mavic 2]](https://m.media-amazon.com/images/I/41D4k4kgrSL._SL500_.jpg)
Top Reddit reviews mentioning Hobby Remote & App Controlled Vehicle Batteries:
Yeah, your old plastic USB speaker, or the nylon holding case (not sure which you have it in), won't help much when that thing goes roman candle. Just get one of these or something like it.
When I charge lipos for my rc planes I do it in the garage in metal buckets. I've seen two lipos go. They didn't so much as explode as much as shoot out a jet of flame.
You're on the right track. NiMH is a perfectly viable alternative to LiPo pouches. Look for a 7.2 nimh sub-c pack instead of AA cells however, such as this one. Those sub-c cells will have a lot more current capabilities then an AA. Replace the connector with an xt60/deans, and you'll get all the performance of a lipo, with no safety issues.
9.6v nimh packs are also a thing, and work acceptably for an 3S li-ion replacement, but a 6S NiMH pack much more closely aligns with 2S li-ion voltage than an 8S NiMH pack aligns with 3S li-ion voltage, so I'd start there. 9S NiMH packs in a good size are hard to find sadly.
Other alternatives is LiFePo4, which is available in 18650 cylindrical format/pouches, and high current 18650 cells in general.
But the simplest and easiest thing is to just grab a 7.2v sub-c NiMH pack and velcro it to the side of your blaster, then use any good motor designed for 7-8V, like M2s and 3240s. No safety issues, all the performance, downside is size and weight.
The battery looks like a very standard 7.2V six cell nickel battery back. Something like this should last twice as long as that one ever did: https://www.amazon.ca/dp/B0037U35SO
You should be able to find one locally. Any 7.2V or peak-detecting NiMH charger should work with it. Check that your battery dimensions are the same.
One of the retro folks here can probably help you with tires.
I used a NiMH pack from Amazon. Cut down on the soldering.
Tenergy 9.6V Flat NiMH Battery Packs for RC Car, High Capacity 8-Cell 2000mAh Rechargeable Battery Pack, Replacement Hobby Battery Pack with Standard Tamiya Connectors https://www.amazon.com/dp/B001BA292A/ref=cm_sw_r_cp_api_glt_fabc_CJQ1MBKFNQCN1S26CEE9?_encoding=UTF8&psc=1
In case anyone is wondering what he means about the storage, he's talking about to keeping the batteries that you're charging in an explosion proof fireproof bag so if they do explode it's contained in there.
Also make sure you're using a good quality smart charger.
Sorry for the long urls, just copied and pasted them from my order history on amazon through my phone.
I couldn't say for sure. That set of pins is labeled for Nickel batteries, which you don't have. If those pins functioned the same as the Lithium set of pins, I'm not sure why the meter wouldn't just have one universal set.
From your photos though, it looks like that set of pins gave you a somewhat accurate voltage readout.
EDIT: Someone posted a link to the manual on the Amazon product page, which refers to 2s-7s LiPo function only. Someone else said they could get a reading through the NiCd/NiMh port, but it wasn't accurate.
It's probably easier to just spend the $3 on a separate cheap LiPo meter for your 1s batteries.
The Traxxas ID charger can charge normal Lipo batteries as well as the Traxxas ID batteries. On the front of the charger there should be a little plastic cover, pop that off and it has the balance leads for a 2 and 3 cell lipo. As long as your non Traxxas batteries have a Traxxas plug it'll charge normal lipos. As for recommendations i personally use this and have about 50 runs on it and it still performs great.
You don't need one, so long as you check cell voltage regularly. I don't like to let my Lipos go below 3.3V per cell (3V is the ABSOLUTE minimum). I always try to balance charge as often as possible, and I have some of these for on the fly Voltage checking.
Ya, these days, everyone needs to have a fireproof bag at home... it's probably just as important as a smoke/co2 detector, and fire extinguisher. Sooner or later, you will have a swollen lithium battery and you may not be able to deal with it right away.
I'm not recommending this one per se, but here's a $15 example:
If your worried just get this
Zeee Lipo Safe Bag Fireproof Explosionproof Bag Large Capacity Lipo Battery Storage Guard Safe Pouch for Charge & Storage(8.46 x 6.5 x 5.71 in ) https://www.amazon.com/dp/B07KZQZBN2/ref=cm_sw_r_cp_api_glt_fabc_281PDRG3D1MG5K832PMF
I agree with this even though so many people shit on Titan. I personally think the price is worth it in the long run. Just the fact that I don’t have to worry if it dies completely or if I leave it in a closet for 5 years uncharged is great because then I don’t have to worry about maintaining a battery. In my personal opinion, I find lipos to just be a hassle more than helpful. With that being said, you should still always keep your batteries in a lipo safe bag. I use this one since I own 12 different Titan batteries of various sizes and voltages and it fits them all and then some.
LiPo batteries are definitely worth respecting, but there's no reason to be afraid of them. Treat them decently, and when they start showing signs of excessive age/wear, either throw them away or dedicate them to other uses like powering your goggles. Obviously, if the pack is super beat up, don't use it at all.
Here are a few things I'd recommend:
- Get a fireproof LiPo bag. There are many, but I recommend this one. Keep your batteries in there whenever they aren't being used.
- Get a decent charger from a reputable brand. You can spend a lot more, but this is my budget-friendly recommendation: ISDT 608AC. I don't know much about the charger you ordered but it appears to have good reviews.
- Try to charge your batteries at 1C. This means, if it's a 2200mAh battery, you'd charge at a current of 2.2A or less. Almost all LiPos can charge faster than 1C, but you might as well play it safe.
- Only charge your batteries when you're home, and don't leave them in a place where you wouldn't notice if something went wrong.
I agree with getting a batsafe or little grill. Honestly the grill will do the same thing and you can find for way cheaper. Most people never have problems with their batteries but yes they can just randomly explode. But those are far and ffew between. I've had a gens ace hardcase for a few years that's still good, had a couple cheap 3s soft packs when I first started out that I wasn't exactly delicate with and they were fine. Currently have two cheap 3s packs that have also been fine that get used all the time in my kids power wheels.
I did however move their storage and charging location to a heavy duty steel tool box I got from my dad. Just in case. But if your worried about them, just stick to nimh for now. Nothing wrong with that. Shit, I only recently started using lipos on my crawler. Was using nimh because I already had them and they were cheaper and the performance difference is negligible.
I would recommend, providing your charger can do it, that you open them up and storage charge them if you're not going to use them. Also get something like this so you can check the voltage of the cells. I leave it plugged in when the batteries are in the power wheels. They have an alarm when the voltage gets to a certain level so you don't over discharge them.
An iPhone battery will go flat after a few months even if switched off. The likelihood of combustion in storage is going to be so low that it's not worth considering. If you want to be super safe buy some lipo fire safe bags like this https://www.amazon.com/Zeee-Battery-Fireproof-Explosionproof-Capacity/dp/B07KZQZBN2 or a fireproof safe. Never charge a puffed battery, if you have to to retrieve data, then do it in a fireproof bag while supervised.
If you want to maintain battery health it's best to store it at around 30-50% charge. This will mean charging it a bit every few weeks.
Oh ok , I checked my gun and its quite hard to fit, are these ok https://www.amazon.com/PACK-Battery-Voltage-Checker-Alarm/dp/B00XQ91ECA/ref=mp_s_a_1_1_sspa?dchild=1&keywords=lipo+alarm&qid=1617044997&sprefix=lipo+ala&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEySjZUUE40TDFZVVoyJm...
The one I linked is just plug and play.
The scx24 doesn't come with one but it's always a good idea to use a fireproof container when charging lipos. If you don't have something like that I bought this:
COLCASE Fireproof Explosionproof... https://www.amazon.com/dp/B0719H46PF?ref=ppx_pop_mob_ap_share
I am working on build a battery stock to house my lipo, i don't want a big box sticking out the side of my blaster. I did pick up a lipo voltage display/alarm unit from amazon, similar to this one...
this unit plugs into the balance plug on the battery. Since it has an alarm for low voltage, i can only assume that it is safe to keep this connected to the battery at all times while it is in use, so that it will beep when it gets too low. Since my lipo battery is going to be in the stock, should i place the voltage display/alarm in the stock along with it and plug into the balance port like it suggests? or could I mount it in the blaster and just connect to the positive and ground wires inside the gun? i know it wouldn't show me individual cell voltages that way, just overall voltage, but it would be easier to mount that way.
how do you guys do it?
I dont typically use an alarm when I am running these guys because my crawl sessions are only 30-40 minutes and my lipos can handle that when charged (1200mah 2S).
But to check cell voltages and to alarm me on my other vehicles I use these:
Yeah, low battery will make it even worse. Do yourself a favor and grab one of these voltage checkers
Lipos should never be charged above 8.4 (4.2 on each cell for a 7.4), and never fall under 3.2v, that's how they puff and die
I apologize. Here is an example if a voltage checker, some have better features but the one I will be providing is an example. This one beeps if the voltage gets too low this is used mostly for planes but you can use it on any LiPo powered RC Apex RC Products 2 Pack Lipo Battery Voltage Checker Alarm LED 1-8 Cell 1655 https://www.amazon.com/dp/B00XQ91ECA/ref=cm_sw_r_cp_apa_i_k5oOCbG7JZX9X
I am not sure about this one but I suggest getting one which checks the voltage per cell so you can double check if it's balanced or not. I suggest don't replace the parts yet until you break them. What I like about traxxas is the availability for parts.
A single 7.2 v/2000 mAH NiMH battery pack will consistently light 3 Estes igniters, no problem. This is a 3000 mAH, but for illustration: https://www.amazon.ca/Tenergy-3000mAh-Battery-Tamiya-Connectors/dp/B0037U35SO/
Get the opposite Tamiya connector as well, connect it to the battery terminals on the Estes controller and done. I just use an elastic to hold the controller + battery together.
1) I'm saying that picking one of those two can work in a pinch, but you should probably just get one with both, most probably will
2) Yes
Capitan Xavier made a better video than what I can type. Please take your LiPo seriously. Respect the tools you have at your disposal, but good luck and happy modding
RioRand RC Model Hop-ups C23212 LiPo Voltage Checker + Warning Buzzer https://www.amazon.com/dp/B003Y6E6IE/ref=cm_sw_r_cp_apa_QkvxAb6NCBSNE
If you still have the stock camera, this is a cheap upgrade to give you a warning beeper. Otherwise you can upgrade the camera to gain access to the voltage monitoring.
This can supply 30 amps. I probably need to search harder.