Start Building your own DIY Lithium Battery Packs - PCB starter Kit
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- čas přidán 2. 05. 2020
- Starter Kit: jag35.com/products/pcb-batter...
Live stream - / jehugarcia
Facebook group: / jehusdiypowerwalls
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FAQ:
1) Where can learn more about batteries? j35.us/DIYlithiumBatteryBook
2) Where can I buy Lithium Batteries kit.co/jehu/lithium-battery-c...
4) Where Can I buy Solar Panels? Flexible - j35.us/136wFlexSolarPanl
Glass - j35.us/100w-100-solar
DIY - j35.us/DIY-Solar-cells
5) Where can I buy a Battery Management System? kit.co/jehu/battery-managemen...
6) What parts do you use on your Samba? kit.co/jehu/the-electric-samb...
7) Why not use Supercapacitors?
A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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Been watching your progression over these last couple of years.awesome work man. Just ordered this kit and plan to prototype a case for it that can be 3d printed. Hopefully ill have file ready soon.
Just ordered the complete starter kit. Thanks!
Love the handyman, don't quite know the part name approach. Makes it easier for newbies to buy in. You've come a long way, keep up the good work.
Great kit! I really like your simple way to build power supplies and to explain what you do.
Wow another amazing super great video info and analysis from absolutely the best channel on utube you hit this one out of the park again thank you and keep up the good work
I remember the first prototypes, and I have to say the design is much improved. Good work!
This is fantastic, thank you so much. It is exactly what i want to build so started looking for an instruction video and now I've found it.
I see things like this and think cool...I can get started with this...I read the comments and think nope... you're not ready.
Great stuff as always. My kit just arrived today and is all set to install in a Bluetooth speaker project I am building with my daughter.
Thanks so much for creating!! Definitely picking up one of these for my Burningman bike build to power my light strips!!
Thank you. I learned alot from you.
Good stuff. Ordered a couple :)
GOOD LUCK WITH EVERYTHING YOU DOING..!!
Perfect great easy way to get started!
Good stuff from a good company..tryn to save the planet
Jehu you rule brother !!! Change the world one battery pak at a time..God bless you bro !!! 24 hour timelapse...yaaahoooooo !!!!
Jehu any progress on the AC coupled powerwall? interested in that project. Have you looked into using a hybrid inverter so you can discharge to grid/charge from grid in one unit?
i like your attitude. keep up the good work man.
Awesome
I feel the bottom plastic didn't get broken accidentally. I feel you purposely overtightened and broke it for teaching us in negative way so that we'll never forget and do that mistake. Thank Jehu!
Awesome job man
Hey ... Thank you for the video man 👍...there is more available...
I like it, I need it !
A few questions for the smart people here please:
1) can these be scaled up modularly to put out enough amperage to power a 3000Watt inverter in an RV
2) How many kits stacked together would you need?
3) What would that cost?
Thanks in advance.
I don't think these would work well without a BMS.
Hi Jehu my friend, maybe you should throw in a couple extra plastic black nuts, in case someone strips one out and learns the hard way...
Thanks for the inspiration and keep on trucking ! (from Seattle now)
Yes it was only a matter of time before someone made this...........thank you.
very very nice kit for people like :D
Would you do the kit without the batteries because I know you cannot ship them to the UK where I live and if so how much would it be thanks loving your content
Same here I am salvaging old batterie and need only the pcb thing in canada
Recently, I made a 36v 20Ah battery pack for an electric scooter using 10 x EIG C020 slab cells at £12.50 per cell. Only additional items needed was a BMS and charger. Using C020 cells is more cost-effective and space-efficient than using 18650 cells.
The pcbs are right there on the website in 10x for 90 bucks...
@@ownsenergy4418 yes, although it is not common practice to work on live battery packs like this especially when the cells are removable. Generally, assemble/modify any electrical system after being sure the circuit is isolated (turned off) 😀
I agree about the kit without batteries, so that can be shipped easily everywhere
Read my mind was looking for this exact thing
Great stuff :-)
I ordered one of these to use for testing out all my populated carriers one at a time to be sure they are balanced before final assembly. When I'm done with that I will build it up and use the little BMS and a 100W Harbor Freight PV array wired in parallel as the 24VDC charger. In fact I will use the PV array for the testing and balancing too.
Some of you are asking for how-to's involving Solar. Once I get it all up and running on the bench I will try my first CZcams video. Things to consider are VOC (voltage open circuit) of the PV panel and the peak output voltage under load. A cold winter morning with bright sun is when you get that and only for a few minutes until the panels heat up. Anyway, I'll post a comment or two then.
Bro, if i take this with me on a plane, the police will be on my ass, or apple will give me an award.
I bought a bunch of brand new Panasonic ncr 18650b and I decided to make a power wall what do you think the best resistor ohm for fusing it thanks
14:27 Garcia's "blow shit up" laugh. Lmfao
Would love to get a few of these but doubt that the batteries will be able to ship to my country (South Africa). The charger and USB quick charge outlet on Amazon also doesn't ship to South Africa.
If I wanted to make one of these and use a AC instead of usb power plug how many would I need to buy and is the configuration any different. My intent is to build like a small UPS for my modem / router for a few hours if possible. Appreciate any feedback
Hey Jehu! Thanks for the video. Does the PCB provide any BMS functionality, or does it rely on using the appropriate (7S) charger to limit the charging voltage?
Niko Argeres if you go to Jehu website you can order the BMS pcb that Go's with this pcb
OMG an iPhone that is a deal-breaker for me... hehe. I hope you can put this back online soon. :)
Hey cool thing you build there but there are some things you need to fix!
using plastik screws and that typ of connector to get power in and out of your batteries is not really good you should use a metal screw and make sure that it won't get loose on its own by using a securing spacer
Reason: if there is a not so good connection the resistance between the batteriemodule and the wire will be hight and can start to heat up thats the reason you should make sure its connected really good
Please vote up for him to improve the design
Salute
Theyre called Standoffs
They’ll still take 5V/2.4A just not the higher voltages allowed by QC
@@peterg.8245 What would be the use of this kit if I can just buy a powerbank for around the same price?
@@billadmond9450 this kit is scalable, meaning if you link many together you can power your whole house, or anything.
For International shipment (Canada for my case) could you do a kit without the batteries... And/or which Canadian Company would you suggest (branch or so) ?
FYI, there's also 12 volt variant of this board on Alibaba, but just a question do this boards have any balance discharge feature at all? Or do you have to match your batteries before hand? It seems like that's a consideration when you might use these regularly. Otherwise, it's less labor intensive than having to spot weld or solder (bad idea I know but when you only need a couple pack you really don't want to have a hundred plus dollar spot welder hanging out on your bench lol) packs. Also, with this pack if I need a specific voltage like 12 volts should I get some LDO voltage regulators (I have to use those since my work is with active antennas and switching on shortwave radio is a problem) or just standard linear regulators?
Can the connector you are using for the individual cell voltages also be used for a balance charger?
That QC 3.0 USB jawn will work properly at an input voltage range of less than 12 volts and more than 24 volts. So, it could easily drain your cells down past 2 volts, and possibly even closer to 1 volt per cell. Just a heads up.
Jehu did mention in this video that you can only use it until the voltage hits 21v, then you have to recharge the batteries. An easy way to disconnect the QC charger would be to unscrew the fuse holder and remove the fuse until you recharge the pack back up to 29.4v.
Great, I’d like one... can you ship to UK? And how much?
I have ordered this kit but I also have 110 18650 cells and I woulike to try to make a couple of 12vdc battery arrays. Can you tell me where to go to figure out how to do this?
Nice job- I see board has a fuse - value please? and is there a way (PCB trace?) to fuse individual cells ???
Thanks
Sweet
so can you double this with the same hardware or even quad triple?
Can the next step show how to hook this up to solar
Hey man, thank you for this video!
Can you ship this kit to Italy?
Hi I’m really interested in purchasing one of your kits to use for a camper van power wall gaming van will need your help!
Can I use these to build a 24v 30ah high discharge rate pack for a mobility scooter. How many of them would I need and would I need a different BMS and charging setup? Please any help would be appreciated.
Is that a misstatement at 15m14s where you said it's a "70 watt hour kit", its 1S7c arrangement with seven cells in series to achieve 24+v. But the total amperage is the one cell rating of 2600mA, correct? You'd connect multiple sets of these boards in parallel to increase the Amperage available (amp hours).
What is the Amazon listing for your charger?
Click on the first link in the description it's on that same page
This is really good, is there a 4s version of this?
How about 16s....
I'd just like to ask some questions, if Li-ion battery holders are available, what are the benefits of spot soldering Li-ion battery packs in parallel? If that's more preferable, what are the disadvantages and/or dangers of using battery holders? Also, does the order of placing batteries matter in these battery holders? Say, if I place one (place one, skip the next) alternately would there be a problem/danger?
On the holder vs spot welding: holders are not ideal where a lot of vibrations are common, especially if you'd need a lot of power during said vibrations. E.g. on electric vehicles. Also, spot welding allows much higher currents than contacts.
Price. If you already have a spot welder
Any issue with putting extra boards in series?
Hello!
As you are giving away a few free kits like this one, won't you have to support the shipping costs?
Can you add a board w/ 3450mAh batteries also? Or do all boards need to carry same battery mAh?
Hello good day. I adore your videos! I want to build a battery for my house, with panels and an inverter. To charge the battery pack, is there a charge regulator that is for those batteries? Thank you and a hug from Argentina.
It’s called a Solar charge controller
jehugarcia Thank you. I would like to buy your kid.! Do you have them published on any website? Thank you
Hi there. Nice project ! I would like to ask you if you can provide a schematic of that module?
Thanks and BR !
On May 9, I wanted to order and it is sold out!!! When you will have more?
You will never get safe tight connections with plastic studs!
They lack pressure, so the connector will warm up at some point and get more loose, that means more warm, so you create a fire hazard.
Hmm... Nice.
....reassuring to see that I am not the only one that slays plastic fasteners by over-torquing . ; }
Mr. What about c1 VS c2 for these
Can you get these units in 12 volts it kinda doesn't look like you can with these cells as for 24 volts you have 7 cells
I would like to have an 8S one for LiFePo batteries. I know they arn't as power dense as normal LiPo but its easier when working with 12v projects without using a buck converter.
Yes but those cells are rare and it’s not worth the trouble to develop a system for rare cells
@@jehugarcia understandable
Can this be used to power a 12v bluetooth amplifier board for a portable diy bluetooth speaker???
Sold out
Any option for kit with out batteries or some other option
will it ship to oz ?
the starter kit that is
Sir, I'm wondering if you can help me or ànybody out there. I'm planning to build a simple Lithium 12V car jumper as àn emergency in the garage. Long story short. I have (16) 18650s that I scavenged from some dead Sony SB30 BT speakers. They're 3000mH each I think. What BMS ràting do you think I should use? I don't know the formula (If there is one). It will be 3S ànd 5P for sure. Thanks.
Good job loved . nice. I need to get hand s on 10 of this BATT . I am very
Behind on my proto . having problems
Whit the. Running time.
Hi Jehu,
Need this starter pack how do I get it or how do I order online and one more thing do you ship across continent?
Can you series connect the boards I would like to build pack with 54v @ 10amps?
Should it not have a Battery Management System to balance the cells?
I only have power when I plug in my charger? When its unplugged from the wall the power turns off?
Hello Jehugarcia. It is possible to build a 4s battery for a 12v boat electric motor with parallel coupled capacitors. If possible will it be the same charge voltage for 4s? Will it affect the batteries? Thanks and best regards.
Maybe beginners question? ....Sorry, but can we use 18650 cells with button top, in this board or only the flat top cells?
Is there any electronics on this kit? Like a balancer, over and under voltage cut off etc? Or is it just a fancy holder?
It's just a holder, not a BMS!
Bms are cheap now days. Garcia don't like bms
You should do a video of how to build a power wall step by step and make a book I would pay you if you can help me out
Been preparing 2 years for that video
jehugarcia you would be helping people around the world
Man, you couldn't make it more easier, even an old hillbilly like myself can do this.. Now I going to try to make a big pack... How many boards can you add ???
I'm looking at buying the 25x kit but I have Outback Flexmax charge controllers, fully programmable, bucking, and charge state/balancing features. Do I even need the BMS's or would just the kit and batteries be all I need? Would I better off with the starter kits? I'm a retired IT engineer and assembly tech from WECO (AT&T factories). I just don't have the equipment to mask and make PCB's anymore. Can I use two 25x kit in series to have a 48V battery array? I want to use the LiIon as a first stage and use my FLA's to drive the 12V equipment at minimum cycling. Two stage from the panels, high voltage, lower current through the FM60 (the 60 stands for the max current out so at 48V I can handle up to 12 standard 220W panels with a 5A over-voltage margin) and then a step down to 12V through the second FM80. I intend to up grade to one inverter at 48V or I could use a 36V array. I'm still shopping for your best kit option for my system.
Yes you need the bms as safety. You can connect two groups of boards in series for 48v
@@jehugarcia I just ordered the kits for the arrays and the cells. I will need to buy the BMS's, or will one suffice for the 48V or should I just buy two? I just placed the order, can I have the BMS's ship with it or is it too late?
I had a 48v setup with no bms without a single problem...700 watts of solar charging about 4 kWh of batteries. Worked perfectly. 48v bank was then Bucked down for 12v and 24v applications.
Bought two BMS's so I will have two complete 25X batteries. Thanks for your innovation and products. I'll have to send you the schematic of my system when it completed. I have 500W of raw solar cells to build out the system to a 2500W solar array driving into the 48V battery array. Totally off grid isolated system. Our coop won't allow 100% of your bill grid tied. Just give them power for free, lmao.
@@getyourbone Pretty much my design, my bro gave me his 12V system to meld with mine. He used an FM80 with a temp monitor for FLA's. I have 8 220 poly panels and another 24/15W mono array for a total of 2120W nominal but I've seen the poly's peak out on a cold winter morning at around 240W. Building the 500W panel and it will be a 3D array I have plans from MIT for. I got the BMS's for the added layer of safety since the equipment box in the unheated/uncooled carport. I only have the one RTS. I'll be using TEG heat pumps to harvest waste heat for the fans and to do cooling.
Can I use these boards to build 48V around 14 amps battery for an electric bike?
Maybe, not really tested for vibrations
Could you tell me how you balance these batteries once you built a board and used it for a couple years
any chance more of these will be available i hesitated and missed out :(
As soon as supplies come in
I wonder if this would power an old 30V NiMH drill that I have... I might get one or two to test. 🤔
Edit: done!
I went to your site and the battery pack is sold out, when will you get new supplies in? Thanks
Soon hopefully, shipping is still painfully slow from China
Excelente, vídeo e estou aprendo muito com você.
Gostaria de poder comprar suas mercadorias, sou do Brasil.
I agree with Frederick you need to show how to change with Solar
Just an idea: since the little plastic stand-off is easy to break, maybe include a spare inside the package. It would cost you like 1c more and it would make customer satisfaction go up by 1000% for those unlucky strong-people.
Helo hol lehet vásárolni ijen aku aljzatot és mijen áron ?
do you have a 12v version ?
Jehu; thanks for all the schooling; appreciated; question, if I want to use your kit to build a USB C power bank with fastest charging capabilities, what do I need to buy? can you sent me in the right direction?
How many of these boards can you use for 1 BMS ?
Great project wish I could get it but I see no shipping to south africa thou
Can I use this system for a 60v electric motorcycle ?
Just got this video and after clicking on the link I find that they are sold out of the starter kit. I then bought the one without the batteries and then found i bought the one without the BMS. So I bought the next kit with the BMS. 🤑
There's a kit with a BMS?
Hi, about to buy the 1000watt 1020 motor to move a 300 pound gocart for the kid. In my calculation we will need a 13S20P to get 48volt and 20km of range.
Is this make sense and is there 13S module like you show ?
Make 14s and you can use my 7s modules in series
@@jehugarcia with the relative knowledge you have do you think 13s20p is overkill?