This Small Battery packs a Big Punch
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- เผยแพร่เมื่อ 30 ก.ย. 2024
- This is a small 48v Lithium battery from Battery Hookup. It's made up of small 18650 cells that can discharge some serious amps. The cell arrangement is 4p13s. This is great for small portable projects where you need a lot of power, but for a short period of time. Think of this as your cordless tool battery on steroids. Panasonic 48v 13s 6.4ah, 300wh, power module.
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48v Panasonic Battery: batteryhookup....
Steel Box: batteryhookup....
BMS (select 13s Li-ion): batteryhookup....
Bluetooth Dongle: batteryhookup....
Snip Tool: batteryhookup....
Anderson SB50 Connector, and Kapton Tape were purchased from: rover.ebay.com...
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Multi-Meter: amzn.to/2YwqXjz
Rivet Nut Tool: amzn.to/36tiG4l
Tesa Loom Tape: amzn.to/36vbpAT
10 AWG Wire: amzn.to/39BASux
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Ring Terminal: amzn.to/3j3S66V
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Disclaimer:
My videos are in no way intended to be instructional "how-to" lessons. I am simply documenting my project for informational purposes. Property damage, personal injury, or death may result, even when following manufacturer's instructions. I cannot be held liable for such damage or injury. It is YOUR OBLIGATION to ensure that you are complying with any local and federal laws as well as code and permit requirements.
David, rarely would the servers actually shutdown, only in the very smallest and largest computer rooms do you actually design for shutdown. In most server rooms or data centers the UPS is there to allow enough 'ride through' time for a generator to spin up. They also perform the critical function of power smoothing or cleaning, they handle things like small brownouts, spikes, etc which might otherwise harm the computers or lead to data processing glitches.
I laughed out loud when I heard the ol' "F*** Me". Common-place where I work and I instantly said it myself watching your video hahaha
I found it to be much better to solder the Anderson connectors, just heat with a torch, while holding the tip with a vise, or vise grips. Then fill about halfway with solder, (pre tin the wires,) then with the solder melted in the connector shove the wires in, then heat with torch again until solder melts, to assure there will not be a cold solder joint, this way the Anderson connector is reusable!!!
May I suggest neutral cure silicone for securing the temp sensor. Hot glue might fail exactly at the wrong moment.
Warning for headphone users. The inverter beep near the end is LOUD!
Built my first EV project with these, battery powered zero turn. Just mowed with it the 3rd time. Video from the first test cut: th-cam.com/video/tykp2a4rpck/w-d-xo.html
Great video! It looks like they have cell-level fusing on the negative of each 18650 cell. Is that what the S-shaped nickel is?
i bought 144 of these battery packs. I'm using them set up in a 13s48p configuration with active capacitor bms's. They seem perfect for off grid 13k system.. couldn't be happier!... no drift on voltage.. no sag.. all the way to 3.6v.. doesn't help that each batteries load is .3c.. lolz.. cheers!
man, we really need [something like] Battery Hookup in Europe.
yes, by God U do! & then some!!
@@__--JY-Moe--__ Well i have a lot of these if interested,...hope you don't mind David
Theses battery packs are simply awesome! I ordered 12 of them, built a homemade solar generator with a 2500 watts reliable electric inverter, and i just finished a 0.24C discharge rate capacity test, and i got awesome results! Out of the inverter, i was able to get 3715wh out of the 3600wh advertised, which means that i got approximately 4370wh out of the battery if we consider a 85% efficiency for the inverter! I almost can’t believe it!
What BMS did you use?
I'm about to try and put together 15 of them and considering 3 sets of 5 with individual BMS's, but I haven't made up my mind yet.
It works great on electric bikes. I ordered 6
FYI these have 52 ~1600mah ~25amp cells
It’s odd that they disassemble these so they can sell them to us separately and then we get them we put them back together.
I was told they discovered they weren't allowed to sell them assembled, which is why they ended up disassembling. I bought 2 when the case and battery was still offered together. Oh well..
You're harvesting cells at a fraction of the cost and you need to know your system anyway or just go buy someone else's and pay a lot more.
I broke one off when I was playing with my first rivet gun.
Hi David I am David again thanks for instructions .I got two of those two weeks ago ,my plan is to use for my ebike with your instructions I can tray to attach the BMS but I don't have any electronic equipment to balance,charge and discharge the battery please let me know what I am doing to need and if these is good for ebike I only have good tester . my plan is to use the two module in parallel to increase the power. Let me know if I can use one BMS for two module in parallel or I have to double everything. Also wat charger is good to charge the two in parallel, if is posible
I suggest one BMS per battery. But this could be a smaller one. For example maybe a small 50 amp BMS on each battery instead of what I use was one large BMS. After the BMS you can parallel the two wires together. Then you'll have one central positive and one central negative. It's at that point that you would connect your charger and your motor. Chargers are available on Amazon or eBay in any voltage that you want. You will be looking for a charger that charges at 54.6 volts.
The pack you were carrying made you look like ghost busters
Great test loved it! its kinda like the headway batteries.
1:20 I heard it as: "That concludes this block of instruction." Gave me a good laugh.
Any other source for the metal box now?
FWIW, high discharge rate UPS systems are usually designed to "hold the load" while generator(s) come online. "HR" batteries means less space is consumed. (think how big a battery system would have to be to hold 1+MW at 1-2C rates. There are data centers around here with 50MW grid connections.)
What if I used it for 12 volts with a drop down voltage unit to power some 12 volt led lights would that be ok ?
yes it should work fine but you dont need such high amperage discharge for that generally . Doubt you could fit the step down converter in the box but maybe plus it may create unacceptable heat if it has much load.
@@teekay1785 the most draw will be around 5 Amps
Good Ole fashioned riv nut tool breakage lol. Anyway to fix that tool? Riv nutz are great for many things!!!
Yes, I can order a new part. I think it's called a mandrel. $8.
David perhaps using a dc/dc (golf cart type aux plug) they are 48vdc- to 24vdc-12vdc which would extend your capability as a complete stand alone power source. especially for the RC ENTHUSIAST, EMERGENCY LIGHTS, CHARGE BOOST, IT LOOKS LIKE YOU HAVE ROOM UNDER YOUR BMS WELL THAT,S MY COMMENT VERY MUCH ENJOY YOUR VIDEO'S KEEP THEM COMING . I LIKE BATTERY HOOKUP THOSE GUYS AND GIRLS ARE GREAT PEOPLE.
I think Riv nuts are also known as Hank bushes. Nice vídeo as always professor
Always fun to see another repurposed battery, I'm using a pile of those 36V 220Wh (2P10S) scooter batteries to run my house when utility power goes blah. Now adding another 7KWh of the 460Wh 4P10S scooter batts. (5 days total in the last three weeks,,) Using a recycled UPS for lights/comms/electric blanket and CPAP. Today a 36V 3000W inverter showed up so I can run refer/microwave and such. Anyway, I might have an easy solution to your inaccurate metering device. It reads low on current. The way they calibrate high currents shunts is by making them a bit low in value, then removing a bit of the shunt at a time until it reads right. If it's using the typical big wire looking "U" shaped shunts on the board, (Sometimes two or three side by side, look like big staples.), you can take a small file (putting a cloth under it to catch the shavings or do it upside down!) and remove a tiny bit from one of the shunts. (Start a small notch)
Take off a smidge, then test again. Do this 'til you get dead on. Pretty easy if you have a good reference unit. Hope that is useful. (I'm an ancient electronic tech that's been messing with DC and AC power stuff for decades. Tiny to 125KW UPSes, tiny to 1.5MW generators, solar, inverters and gobs of batteries..:) Keep on hacking those batteries! Stu
They are sold out of bums any alternative bums you can recommend?
I've used several Daly brand BMS's. daly.aliexpress.com/store/4165007?spm=a2g0o.productlist.0.0.62332114v24H7B
best way to make countersunk holes - grab a much bigger drill bit, and by hand (don't put it in a drill), twist the cutting edge in the already-drilled hole. usually even for steel all it takes is a few twists and it looks super clean.
Awesome. I did get a little skeeved out when you were cutting and drilling metal near the battery. Bunch of metal shavings near that battery can make for some interesting results if Murphy shows up.
Great review. I assume those are A123 type 18650 cells? Would be nice to peek under the covers. Good video.
15:14 What will they read if they are out of order I guess I what I am getting at.
U will get either a repeated reading or a reduction in reading
Awesome battery pack. My leaf blower is an Echo 770 gas powered unit. For some reason it won't start until I cuss it out in Spanish. Then its a one pull deal.
You should've just trimmed the rivnuts instead of the back of the case. JMO.
That was a good piece of engineering? Why not building some serious power stations? You seem to have the touch? Cheers?
My lack of knowledge leads me to this question. Why couldn't they be used to power a gocart?
I just bought 36 of these for a power wall. Is that serious enough for ya? ;-)
@@rfontela1 I want to use these for a power wall but I may steal 6 of them for scooters, Boosted boards, and a go cart. They are perfect for 30 minutes of raw fun!
Hey Dave. Try this for the Rivnuts I use a cordless impact driver on medium setting. Might have to use high depending on your impact driver strength. Practice on a couple scrap metal pieces.
th-cam.com/video/cel7FllhxJM/w-d-xo.html
That's slick.
Just got six of these delivered today, along with the cases. Thank you for doing all the hard work for me. :)
Enjoy!
What are the options from days of power
Do you have any specs or do you know more about the board? I heard you say that basically it's part of a bigger system but I feel like it could serve some purpose. I just received said battery and I am getting ready to solder the BMS. Any info would be greatly appreciated.
UPS batteries like that are used in very large storage systems in datacenters to write out "in flight" cache data in the event of a emergency power shutdown. They are generally designed to last less than 1 minute, powering hundreds of spinning disks for just long enough to write everything that was in progress before the power goes out.
Nice David. Everything fit great and looks good.
Wonderful video, thanks so much. If i wanted to wire 4 of these in series to power an ebike, would i be able to do it connecting to 1 bms and using 1 charging source, or would i have to break them all down and just rebuild?
Are those cells like the lithium titanium cells that has a high current fast discharge ?
They have a high C rate and that is about the only similarity between LTO and these. These cells would be more similar to what you find in cordless tool batteries. But LTO is a different chemistry altogether to this lithium ion.
Great video as always. Just a tip...You can just use a large drill bit to countersink the hole.
David YES you can calibrate it.... well in fact you can sand a bit the shunt resistor and you will increase the amperage read. it work.
Enjoyed the video. You always inspire me to make what you just did.
Dave, nice vid. For some reason, even though I haven't ordered from BH, I find myself liking them as they seem to upfront about what they are selling, and pricing is usually a good or great deal.
Amazes me that people tie the BMS charge/discharge grounds together...
I broke.my tool too. The big arms give too much leverage for the smaller nuts.
Can you salvage the cells from this pack easily? I want to make 7S
another enjoyable video of a high quality build
awesome upload but how do you charge it and how fast can it be charged?
A good way to get through that black bolt sealant is to heat up a screw driver tip and stick it into the screw head. Thanks for sharing. I would stay away from 185650s. Too dangerous
Thanks for the great tip I'm definitely going to try that.
@@DavidPozEnergy hope all is well over there
@@DavidPozEnergy we just had a new baby. Delivered her at home in the bathtub.
Congratulations.
@@DavidPozEnergy thanks. I'm also shipping lithium now too. Let me know
That was funny breaking the riv nut.... Hahaha
Those cells are about 2amp.
48*4-20%=307.2wh.
If the used cells were 2.6a or 2.2 (more common) then they pulled fine, you will find they do two things, self discharge or get hot when charging and discharging as the older they get the hotter they are.
Low current pulls would be okay, but for such a small battery power, I couldn't see them being much use unless you're making a small 300w portable power unit. In that case the metal case is a bit much.
Did you buy a cheap riv gun? We've two brands of tools here, if it breaks they'll replace it. Some stuff I tried to break it wouldn't, this was what you would expect to break. However something I wouldn't I did. But sorted withing 30 minutes.
Forged not cast s better...
Btw, pulling the cells to 0 (20%) will kill the cycles left in them.
@rory witham
How would that work if making into portable unit? Would need inverter since it’s 48v?
can anyone recommend an alternative to the steel box?
beautifull pack design
Broke down one of these packs. The cells are testing very strange. So far 60% have been 1100-1300 mah, the other 40% are 1900-2000 mah. If I see the same result for the second pack, I'm going to break them all down and reassemble with just good cells.
Any progress?
heya those batteries are also good for back up for your computer if you get a power outish and your computer is 24/7 working like mine
Hello and thank you for the video. Does anyone one the actual size of it? On the website it says it's 13 in x 6 in x 2 1/4. But I want to double check that it really is that long because it also says something about with the handles.
I'm trying to fit this inside of a KTM motorcycle that I'm converting for and with my son with an 1800 Watt electric motor.
But I just want to make sure that all fit before I purchase one.
Thank you so much.
I want to know the actual size as well. It looks the the handle they refer to is part of the case, much longer than just the battery 21:01
Can you comment on whether these packs can be reconfigured 4P 12V?
These cells don't work out to a perfect 12V replacement. If you arrange them 4s (4 cells in series) then you have a 14.8V battery, that can be charged up to 16.8V. This might be fine for some things, but if you want something closer to 12V, then use LiFePO4 chemistry.
Well, Surprise, Surprise, Surprise! It's been awhile since your last video and I've been wondering what you've been doing. Miss watching my favorite guy on TH-cam. I'll have to send you a photo of the battery bank rack I overbuilt for my LTO SCIB BATTERIES. Good video, David!
so you can deep fry your chicken & chips ^_~
or recycle the small ups batteries and/or series super cap's to 4 cheap picoPSU 160W to power some small diy low power pc's and related stand alone 12v wireless routers etc.
Good morning David first and foremost I have watched just about every one of your videos and I have to say you are very intuitive person that being said I figured you have been around the block a few times I'm at the moment installing a full solar system on my house in Arizona I scored a good deal on some ABB pvi 5000 grid tie inverters now I am going to install some off grid inverters with mppt I have done a ton of research and I have narrowed it down to two models one is the MPP VIP 5048mg that you talked about any previous video with Ben at his house about 2 years ago it has an 80 amp charging. The other one is a new to the market Growatt 48V 5000W 240V Off Grid Inverter 450V 48V 100A MPPT Split Phase Capable
Either way I have to use a Step Down Transformer I know the MPP has been on the market for a while and is a little cheaper what's your thoughts any will help thank you
That "Loom Tape " is nothing more than a fancy way of selling Friction Tape. In fact, it has been around for a long time. When used where it will be exposed to sunlight, it should be wrapped in Vinyl Electrical Tape to protect it from the UV rays.
Have you used the sink wrap that would fit this battery? I have four of them for my little electric car. If just a clue to was it might be called if you know?
Can I use these on an ebike?
Though your method worked generally a Rivnut is installled the opposite direction.
Do you know the inside dimensions of the case? I would like to know if a 10s 4p scooter battery would fit. Keep up with the awesome videos!!
Tack Life sells junk products. I have sent more than one back for breaking or not working on first use.
Very cool!
Matter of interest - how much does the complete battery pack with BMS and steel case weigh?
Way to go David, nice conversion along with some more safety tips in the comment section!!! LOL.
You know how many rivet nuts I did? Lol can’t believe you broke that!!
I would of put some kind of tape over the connections going to the batteries. Just for a little extra protection.
Thanks for leaving that in so I know not to give it the complete he man push lol You must be due for a garage sale video selling batteries.
How do you think they would hold up in a 48v solar battery bank?
Get yourself an automatic center punch. You’ll love it!
saw your video on Battery Hookup, it was nice to add your 5% on there and will try this one next
Thanks David. Appreciate all the detail. Just starting to plan first build for small 18650 battery.
Those rivnuts are upside down! They are designed to be used in the other direction.
HI David, Great Vids! Could I tie a few server rack battery's together for 48V golf cart to get enough Ah? I need a golf cart battery. I want to make, should I use these or something else?
Short answer, YES, you can. However, from experience, I suggest adding a small BMS on EACH battery module. Battery Hookup sells 30A BMS's available in 13s which will work: batteryhookup.com/products/li-ion-lifepo4-3s-20s-30a-bms-with-balance?variant=42283333943458 (my affiliate code is DAVIDPOZ which gets you a discount) If you try this approach, I might see if 6 batteries can fit, which would be 180A discharge, and 1.8kWh capacity. For a total of $300, it's a decent way to go.
Personally, I think a simpler approach would be:
2x of these: batteryhookup.com/products/24v-24ah-621-6wh-spim08hp-with-steel-enclosure-fans
Plus one of these: batteryhookup.com/products/7s-21s-24v-75v-300a-lithium-ion-bms
That's a high-amp BMS, and wire the two 24V modules in series for 48V.
Thanks David they sold out of 2X 24v. great videos. Smashed and subscribed. I will look again for similar 2x24v will use your code. Thanks
Beautiful job! Just seems like a lot of trouble for 300 Wh
What charger specs would you need to charge two of these in series?
great video as usual!
what ya gonna do with the board you took off?
@@stygianindustries8295 Good question. If you listen very carefully you will hear Dave say the boards still balance. A 13s balance board has a market value of $80 for low end DIY trash. I intended to use these modules exactly as is.
What chemistry are these and what's the life cycle rating?
Ghostbusters backpack leaf blower ™
"Funnel Shape Recess" = CounterSunk
12:28-we are going to have to change the rating on this video 🤣🤣
What voltage charger do you use for this?
what is a smallish 48v inverter that I can use with this to power a leaf blower like you did in your other video? is the 3000w one in your other video the smallest you'd recommend. That one cost $300 (ebay) to $400 (amazon)
You would probably be OK with a 2,000W inverter for a leaf blower. The 3000W was just one that I had.
Hi have been taking these apart and all the ones i have checked are fitted with ur18650rx with 2000mah cells.Also did complete discharge of 48v pack and noticed label stated 640ah but tested and was 760 !
Nice!
Just a safety suggestion: You might want to move the battery pack to another table away from where your drilling and grinding metal to prevent metal from getting in the battery.
certainly thoughtful, but I'm sure it is addressed off camera. An aside, the man is rather meticulous
Hay David I was wondering if you thank these would work as a replacement for SLA batteries for a cordless lawnmower, I have a small yard so I use a cordless lawnmower but the batteries are in need of replacement and they are going to cast in upwards of $80.00 apiece for 2 and am thanking this might be an option.
This is a 48v battery. Is your lawn mower 48v? If it is, then you can probably replace it with this.
You've got cool stuff Sir I love it 😃👍
Can this pack power an eBike?
If it's the same Voltage, yes. I'd wrap it in something to prevent water intrusion, but that's just me.
excellent intro; so we know what's what.
So battery hook up stripped down the battery case from the battery so they can then sell it for $10 more? Good job battery hook up!
They also lowered the cost of the cells by $10. I like the case and think it's worth the $10, but if you don't want it you don't have to buy it. Maybe if I was building an E-bike I'd just buy the cells.
For an electric bike.???
That would be a good application. Now that you suggested it I wish I had an e-bike to test it on.
@@DavidPozEnergy The battery for the Lectric XP sells for $300 at the company site. No, I have not cracked one open to investigate, but I suspect 18650 cells. I have not verified this, but have heard of knock-off's at Ali-Express. While your mock up won't fit in the chassis, it can be mounted on the rear carrier.. Of course, this build is not for the faint of heart..
Precisely what I was thinking, but really it sill a lot of work, and you may as well go for newer cells with at least 3k mah. The 1.6 mah cells won't give you much range, and you'll end up wearing them out quickly with all the deep discharges. I have a 5-year-old 48 volt 3k mah pack that I use daily; funny, it actually has 103 (if I remember correctly) Panasonic cells. It's still in great shape because I rarely need to fully discharge it, and I leave it on the charger all the time when not used. That's important because it takes hours to balance all the cells. Oh yes, subscribed!
@@glikar1 keeping it fully charged will degrade the battery faster. Lion should be stored at 50% charge
These would be great for testing a scooter, ebike, go-cart or boosted board project. It’s a lot of amps in a small package, so stress testing and sizing up the final pack would be easy. I’ve used RC lipos for this before but have blown several.
Hi am from Jamaica I need some help
Diy
Hey David does the BMS come with a USB plug on the end of it or is that something you added basically how are you hooking the BMS to the Bluetooth transmitter and what is that device that is sitting under your phone that is plugged in is that a extended battery
The BMS comes with a plug on it for data, but it's not USB. It's some type of JST plug.
Super helpful video David!
Mine finally showed up
David to recess your screw heads there is a drill bit called a countersink. It actually removes material evenly and at the correct angle to recess most any screw or bolt head.
At 10:10 in the video it looks like he has a countersink bit on the bench !