DIY: Increase Battery Capacity By Changing 18650 Cells

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This time I'll show you, how to increase lithium battery capacity or repair dead battery by changing 18650 cells inside battery pack.
I used LG HG2 18650 cells with 3000mAh of capacity. Got them from gearbest.com. Here are links, if want to get them too:
LG HG2 4pcs: www.gearbest.com/batteries/pp_...
LG HG2 8pcs: www.gearbest.com/batteries/pp_...
iMax B6 AC v2 charger - shorturl.at/cQWX9
LG HG2 review article: batterybro.com/blogs/18650-wh...
You could support me and my content creation by buying Well Done Tips official outfit: teespring.com/welldonetips
Due to factors beyond the control of WellDoneTips, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. WellDoneTips assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. WellDoneTips recommends safe practices when working with the tools or equipment seen or implied in this video. Due to factors beyond the control of WellDoneTips, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not WellDoneTips.

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Опубликовано:

30 дек 2016

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Комментарии : 179

@why5131 7 лет назад

Your camera work is spot on, clear and we can see EXACTLY what you're doing. Awesome video!! Thanks for sharing

@phoghat 7 лет назад

Nicely done. Intelligent, and clearly stated facts

@jospi2 7 лет назад

Don't forget to write the new capacity onto the battery.

@juanpham6057 5 лет назад

Saw the way you held the knife, was about to comment! At last, when I saw you finger, I was like "told ya!"

@pointedspider 5 лет назад

LMAO

@psdaengr911 5 лет назад

Make a note of where the positive connection is made on the old cells.It's just as easy to assemble the pack with all the cells reversed and destroy them all when charging (and possibly the power tool)

@jinirtinir2582 7 лет назад

very good video and nice speach

@petruccirafa 6 лет назад

Hi there, I have an electronic drum module that works at 18v, 0.5A (9va). I would like to know if I remove the bosh batteries and use it on the module it will work without damage. Thanks a lot in advance!

@TheGoorga 7 лет назад

Nice perk with twice the capacity 😊

@error262 7 лет назад

Samsung 30Q are also great, they are 15A on datasheets (LG HG2 are 20A) but they handle 20A better than LG HG2 and are a bit cheaper

@mbm24loft11 7 лет назад

Nice Video man.

@edvinassarulis7526 5 лет назад

How many amps using cordless tools, to be worth to replace with HG2? I found that Makita BL1815 (which I have) bms rated as less than 10A. So whats the truth?

@TheMarcball 7 лет назад

Exclennt, thanks ! I'll see about soing this to a few unresponsive batteries I have (drill, and electric vehicle) Keep on trucking ! (from France)

@ludovicollerdisen427 7 лет назад

MakeFix a

@mastmalang70hk 7 лет назад

i also did in my bosch ,but my bosch charger dont do balance charge ,is it okay to do without it

@dennisfox4127 7 лет назад

Good video. Thanks.

@gecko2716 4 года назад

Good JOB WORTH KNOWING.....

@humbertokokoa11 3 года назад

Bro, can you put again the link of those 18650 cells? I tried to join into the link and the page wasn't found.

@jedics1 7 лет назад

So I will do this but the discharge rate for the HG2's is rated a bit lower than the samsung 25R's with 2500mah capacities, how have you found their performances under heavy loads?

@keraju3267 3 года назад

Good video thanks.

@2010kemi 6 лет назад

thank you very much bro

@verliebt3465 5 лет назад

Great video

@fieldsofomagh 7 лет назад

Great and economical way to upgrade !

@daveevangelista7188 Год назад

Does the bms care if you replace the batteries at a higher amp rating?

@david667766 3 года назад

Did you try waking up the old 18650 batteries before you bought new ones?

@osmankoroglu2785 5 лет назад

hi bro, we must to use a bms ,no?

@rizwanmohammed5339 5 лет назад

If i change my cells would it change the amp hour thanks

@BastelPichi 3 года назад

the bosch cisco batterys dont have a protecion. They only have a balancing circuit inside. The drill stops the discharging. I distroyed one by using my ts100 with it.

@thliaw 2 года назад

Hi, do Makita 18V system battery packs have voltage monitoring on each cells? Bosch 12V system don't have it as i know. Thanks in advance.

@clearriver5987 5 лет назад

nice video

@steevjobs6608 3 года назад

I believe the reason they are low capacity is because they deliver high current, changing to high capacity might cause them to overheat and cause fire....or worse explosion.

@ZeppelinBend 7 лет назад

Why didn't you put balance wires so you can balance them like with TP4056 or Imax B6. Just a Quick mod.

@jamespalmer5407 6 лет назад

ZeppelinBend what do you mean by balance wires? Please explain

@falahalkafajeyalkafsjey3190 5 лет назад

very good it is so enjoy. lhope best wsheis for you

@KnightofArab 4 года назад

Please answer to my question: Can I replace just the dead battery with bigger capacity? And please notice other batteries will be lower capacity the new replaced batteries will be bigger capacity. Please help.

@andykay479 6 лет назад

I haven't yet seen a power tool lithium batter control board that monitors each and every cell in the battery for over-charge and for over-discharge. Small wonder these batteries fail so frequently.

@fabiokkaturagui5845 6 лет назад

Excelente

@hansen370 Год назад

Well done

@CodingToFreedom 6 лет назад

Hey, I have a quick question. Is there any reason to solder these in place? My idea is to make it so that the individual batteries can be swapped like in flashlights, wouldn't that be really convenient? Great video!

@keithwilson9290 3 года назад

18650’s should be a staple for cordless devices! If someone would design a user assembled battery supply kits that would fit different cordless devices it would be a awesome product. Sure everyone wouldn’t use them but there is enough frugal folks in the world to sell them. But design them to insert and change the batteries. 18650 are a solid design that is available almost everywhere.

@keithwilson9290 3 года назад

Trash URE Seeker that is a great idea!!!

@jonathanbetenbender307 2 года назад

I really like the idea. It could be completely modular; you could have a metal pieces to match the shapes for the tool battery recepticles, different pinouts or modules for different brand batteries, and even swappable thermistors for the various brands to retain thermal protection.

@faroukchehata2431 3 года назад

i love you channel and you are doing a great job :-) i want ask you something it's a idea just come to my head 🤣 can we use phone batteries for drill for example if i put 2 3.7 v lithium ion phone battery inside the drill battery with 3000 mAh every one will it give me 7.2 v 3000 mAh?

@hewhorocketh 3 года назад

What does the temperature sensor do? I left a Bosch 36v battery in the sun and now it doesn’t work.

@jameygorman817 6 лет назад

Where can i get specs for my battery id like to repack my dewalt 6.0 ah battery

@milvolts1 5 лет назад

what do you think I can use to charge an 18650 4S 50ah battery pack with solar?

@kimo4646 2 года назад

Use step down converter.... Set to 16.8

@ugurceldir 4 года назад

where did you get batteries?

@DollarJonny 7 лет назад

А не пробовал imax-ом поднять литий? все банки не умирают . Их нужно было толкнуть напряжением в 9 вольт .

@MrPfunzle 6 лет назад

Did you see the short at 2:49? You made one of the cells spark!

@PlaqueBaka 6 лет назад

NEVER TOUCH THE F****** PLUSPOLE WITH A METAL there is a high risk for a perfect short ...make that 5 sec. long and it will blow up.

@jamespalmer5407 6 лет назад

Remo Ritzmann dude your seeing things

@danijel124 5 лет назад

So the protection circuit for the batteries is inside the tools???

@mibars 5 лет назад

Some older power tools batteries operate without protection circuits and get away with that by using more robust smaller capacity cells. Inserting delicate high performance cells like in the video is not recommended...

@los___santos 7 лет назад

man i need ur help please help me how i can charge laptop battery external ?? please its so matter for me

@leokalaitzis 6 лет назад

What kind of battery should I use.Protected or unprotected?

@kyleberberich9660 3 года назад

Protected if possible but not necessary since there’s a bms. The “protected” cells just have individual fuses built in, which likely won’t be used because if the draw is so high the bms wont draw the high wattage from the cell

@funkblack 2 года назад

What do you mean by balancing batteries?

@koleuslybra 9 месяцев назад

How to preserve a 18650 for a long time without using it? It`s enough to charge it once every 6 months, and store it in dry and room temperature? Thank you !!

@cheffcristofer4199 7 лет назад

18650 Different cell of different developers can have VERY different amperage, you should notify the viewer

@zxrxhyped1622 6 лет назад

Will it electrocute you though when you change the batteries

@TheOzthewiz 4 года назад

NO, but it WILL knock you on your Arse! LOL

@ewijntuin 7 лет назад

can you use these batteries for flashlights?

@jjarry 7 лет назад

yes

@taunteratwill1787 4 года назад

Capacity went down by BAKING your batteries! :-))

@suryadharma84 7 лет назад

2:57 careful with that knife

@slayer9az 4 года назад

Y el balanceo de cada celda?

@guiterman6263 3 года назад

That battery pack was not biuld well was it dude but you done a good on fixing it

@clearriver5987 5 лет назад

how do you chek if this 3000 mah ...................?

@kimnguyen-cl3mv 7 лет назад

where can i buy the battery? thanks

@bird199250 7 лет назад

www.gearbest.com/batteries/pp_399870.html www.rtdvapor.com/lg-18650hg2-3000mah-20a/ www.orbtronic.com/lg-hg2-20amp-3000mah-high-drain-imr-rechargeable-18650-battery

@awaken1986 4 года назад

ncr18650ga能否使用？

@obiwankenobi7001 7 лет назад

Voice of Vladimir Klichko

@chance6298 4 года назад

Funny, kind sounds like Count Chocula!!

@1ecobeast7 7 лет назад

imr batteries is one of the best places to buy these they also make a 2500 mah samsung 25 r but yea the lg's r the highest mah these r what i use for my vapes

@emilfalck5470 7 лет назад

I will like to change the batteries from a 36 volt old hilti to install new batteries to it,is that possible?

@stanlee3683 7 лет назад

There's a lot more to batteries than their charge capacity. Power tools come with high power Li-ion cells, which make the trade-off of lower capacity. They can deliver more energy in a shorter time to match the needs of the tool. Swapping for higher capacity cells means you are probably no longer be using high power cells. This will have unintended consequences such as decreasing the torque of your drill.

@Oink_Blaster 7 лет назад

Stan Lee I see you're one of those who believe that companies release the best thing they can. Do consider that companies don't care about the consumers desires as much as how cheap can they build a tool that will suffice your needs. Samsung's 15Qs are rated for a continuous discharge at 18A. While the LG HG2s are rated for 20A. If anything, his new cells will last even longer as they won't get heat wear with double the capacity. There's more to a Well Done Tips video.

@kevinmills5293 6 лет назад

Vamp Arion I've fitted a set of the LG cells to an 18v dewalt drill and they are no where near as good as a genuine lithium ion pack. They get very hot when the drill is under heavy load and I've measured the current at over 40A! I don't know what cells dewalt use but they must be better than the LG cells.

@Oink_Blaster 6 лет назад

Kevin Mills DeWalt uses Panasonic-Sanyo UR18650WX continuous discharge rated at 20A each cell. LG's HG2's are rated exactly the same. Not all LG's, or 18650 in fact, are made for continuous discharge. The HG2's are. If the replacement isn't matched or enhanced, that's repairers error. It's not just, "Hey, these batteries fit in here. They must work." DeWalt or any other brand will not put the best cells, for the consumer, on the market for their battery packs. Plus, installation could have not been done right in your situation. Who knows?

@kevinmills5293 6 лет назад

Vamp Arion not sure what you mean by the installation may not have been done right but what I've done is taken an old 18v dewalt NimH pack and fitted 5 hg2 cells along with a battery manager with under voltage, over voltage and overload protection. I've not made any provision for heat dissipation and when I measured the current under load at over 40A, I was surprised as I don't know of any 18650 cells which is rated at 40A peak or otherwise. Other than making a 5S 2P pack, I'd be interested hear what cells you would recommend.

@Oink_Blaster 6 лет назад

Kevin Mills I can tell you that only 5 cells won't cut it. in a series connection, your increasing voltage and not current. They're running on 40A discharge, but they're rated at 20A continuous discharge. They'll have to be 5S 2P for them to be 40A continuous discharge. Doubling the capacity also! That's the problem of upgrading to a different chemistry battery. The video was about upgrading 18650 cells with other 18650. I misunderstood when you said 18v pack as 20v packs are technically 18v packs (due to their nominal voltage being closer to 18v). But yeah, you're squeezing double the current rating on that pack. Hope I helped.

@jamespalmer5407 6 лет назад

I did the same thing but used cells out of a damaged laptop and it didnt work, guy said the pack wont charge, even though i know the batteries were working before hand

@cekpi7 6 лет назад

james palmer those batteries can provide only 4A, you need something with 15-30A of continuous current, he most likely damaged batteries by using them in cordless tool

@Pushyhog 5 лет назад

W/U soldering, u don’t need a spot welder.

@doubleagent14 7 лет назад

where does one purchase the replacement batts ??????????????????????????????????????????????

@welldonetips 7 лет назад

+doubleagent14 there are left links in video description for 4 and 8pcs sets of Lg HG2 18650.

@doubleagent14 7 лет назад

got it tnx

@ivanstroganov5458 7 лет назад

doubleagent14 I'd say Gearbest for international orders and if you're in the EU, nkon.nl is where its at.

@doubleagent14 7 лет назад

muchachas garcias seniore

@ericlin0122 7 лет назад

Try fasttech

@stefanbrown8176 7 лет назад

I didn't even see balancing on the battery, no wonder the old ones died

@psdaengr911 5 лет назад

There's no way to balance a single series string.

@torukojinnn6331 3 года назад

Dude you should have used a super capacitor as a mini spot welder, so cheap and effective. Look it up here and thank me later

@318616746 6 лет назад

Хороший язык.

@radudumitru9011 6 лет назад

because this li-ion battery have a low dischargy capacity can explode in this case..

@kaanerdem2822 4 года назад

Should have tested the drill with new vs old batterys

@michaelmoses4019 7 лет назад

you're a fucking genius, i was gonna spend 100 bucks on two new batteries

@bitelaserkhalif 7 лет назад

it's advised to use non icr li-ions like ones used on e cigarettes.

@iginiobluevest9259 7 лет назад

be CAREFUL too hot from solder iron tips

@dominicdymond 7 лет назад

to balance charge it before assembly would be a start in the right direction. but installing a balance connector to the unit and using a hobby balance charger in stead of the original charger would extend the life of the cells and performance as well

@Lex10999 7 лет назад

LG HG2 batteries are only able to give 18 continuous amps, not 30. Max of 20 continuous amps, but not for a long time. You are treading into dangerous territory. 1500 mah batteries can go to 30 amps continious, and that is what you should have replaced them with.

@swanchilds 5 лет назад

Original one is Samsung INR18650 15Q that 18A discharge max, not 30A. New one is LGHE2 discharge max is 20A.

@satamototo 7 лет назад

Samsung 30Q are even better and cooler IMHO.

@gridarmorfix 7 лет назад

between 2:56 and 2:57 he cut himself with the knife. remember to work safe everyone.

@potc420 7 лет назад

Could have cut himself on a battery tab. Those buggers are sharp too!

@gridarmorfix 7 лет назад

potc420 yes they are.

@Fanaz10 3 года назад

haha, ur lithuanian accent is showing brah 😁

@JeffBourke 8 месяцев назад

Gear best is gone. Who do you buy 18650 from these days?

@Pushyhog 5 лет назад

Build a bicycle battery for the bafang motor 350watt. BMS, no-burn.

@maxi-me 6 лет назад

All power tool companies make higher cap battery packs but they add more low MAH cells,; there's a reason. Without getting into white paper territory, it has to do with torque, continuous amps, and most importantly HEAT! This may be negligible for home use but PLEASE don't take one of these franken-batteries to the jobsite. Just buy a 3-5 AH battery. Oh and don't leave your "chardeger" unattended the first time you put these in.

@hernancoronel 7 лет назад

It is very very strange to have all cells die at the same time. In my experience there will be one cell dead in a pack and the others will typically be able to be revived either by charging them with a good cell for a few minutes until the cell reaches a minimum voltage (say 2.5 to 3V) for the charger to recognize it as good and then use a proper charger to top it off.

@saviojsr 7 лет назад

once I got a laptop battery with all the cells inside @ 0v

@rgthomson1 2 года назад

LG hg2 price is nearly £8 or $12, cheaper to buy a new one is it not, unless you use reclaimed battery's Dont solder these battery's either, they need a spot welder or you will destroy your expensive battery's

@Lightning666 7 лет назад

It is not a good idea to solder battaries, high temperature not good for Li battaries.

@Deemon1 7 лет назад

Дмитрий Староверов with powerful iron and short soldering time, not a problem. Long time overheating can damage 18650, but not 1-2 seconds

@LiezerZero 7 лет назад

Its fine.

@dominicdymond 7 лет назад

Дмитрий Староверов there are some tests i have seen on this subject the results always say the soldering heat doesn't effect the inner parts of the cell. if you think about it they spot weld them as well, the heat from a spot welder is high as well

@Lightning666 7 лет назад

But spot weld is MORE shorter then soldering with iron

@radellaf 7 лет назад

There are techniques that make it less bad, but still, yeah, I'd take the pack and cells to a shop that had a spot welder (Batteries Plus around here) and see if they'd do them. Or buy tabbed cells to start with.

@civicstyle01 6 лет назад

Lol hate to break it to ya but those lg hg2s are fake

@loon292 2 года назад

After 2:57 your finger hurts…

@user-yk6im1fr6e Год назад

На русском смотреть буду

@taunteratwill1787 7 лет назад

These days the price of the 5 x 30 amp drain LG's are more or less equal to buying an cheap lithium powered handdrill and it saves me soldering.

@Markle2k 7 лет назад

Problem at 0:55 (yes I watched the rest) Those cells you are replacing are rated at a higher nominal vs peak discharge current than those replacements. If you use the replacements as tool batteries in a high discharge situation, they will die a quick(er) death. Not all lithium cells are equivalent and even though the newest, most expensive 18650 cells available have higher discharge rates than their predecessors, they won't match the lifetime performance of high rate of discharge cells engineered for the task.

@cekpi7 7 лет назад

That is true, original cells had 1450mAh @ 10A discharge, LG h2 has 3000mAh @ 600mA discharge but i couldnt find anything about how much capacity it has if you discharge it at 10A, or how it affects battery life

@robbo580 7 лет назад

Cekpi7 those new cells are not designed to survive this kind of output and will probably have a short life and catch fire you would probably want to have at least two or three p with those

@cekpi7 7 лет назад

Robert Oxman They are tested @ 20A, they can survive that with no problem (they wont catch on fire) but i didnt find anything about their life span or capacity drop

@robbo580 7 лет назад

Cekpi7 wait so the the power drill pulls less than 20 amps?

@cekpi7 7 лет назад

Robert Oxman Original cells were max discharge 15A, so if you replace them with 20A it should be fine, i measured once on my drill and it didnt pull more then 10A under load, which is almost 150W, i dont believe it will draw more then 100w continously

@plainoldme7322 4 года назад

Your accent is hard to tolerate. You could have mentioned the exact content/brand of solder you use. I personally have found some brands of cells will not accept solder even after grinding with diamond Burr with Dremel also using a 200 watt gun