How To Make A Solar Power Bank Charger For Mobile

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King Minhvuong

King Minhvuong

Күн бұрын

Hi friends! Today i show you how to make a solar power bank 2 in 1 for mobile from scrap laptop battery. Hope you like it!
* List buy materials
- 18650 Battery: goo.gl/tSfHFr
- 5V 3W Solar Panel: goo.gl/fUwRT4
- Power Bank Board: goo.gl/42LNNt
- Battery Holder: goo.gl/MqFMgZ
- Battery Charger Step Up: goo.gl/qL3ZMk
*List of tool
- Mini Drill: goo.gl/cFymLp
- Cordless Drill : goo.gl/KUVczC
- Hot Glue Gun: bit.ly/2VxG1KG
- Sordering Station: bit.ly/2uTmFno
* Watch more video
- DIY Bluetooth Speaker Using Pallet Wood V2: tiny.cc/0h7nsz
- Upgrade Bluetooth Speaker Using Broken Skateboards: tiny.cc/vg7nsz
- DIY Bluetooth Speaker Using Broken Skateboards: tiny.cc/5fxhpz
- DIY Bluetooth Speaker Using Pallet Wood:
- How To Make A Wifi - Bluetooth Speaker: bit.ly/34IjlLH
- How to Turn Old TV into 4.1 Bluetooth Speaker: bit.ly/2pCrSkA
- Colored Pencils Bluetooth Speaker V2: bit.ly/2P1PWHY
- DIY Epoxy Resin Bluetooth Speaker: bit.ly/2miziaZ
- DIY subwoofer: bit.ly/2PaKYu4
- DIY 2.1 Bluetooth Speaker Using Colored Pencils: bit.ly/2IlnoEo
- DIY Bluetooth & Wifi Speaker: bit.ly/2GoP5va
- DIY Buetooth Speaker: goo.gl/UzrZRR
- How To Make A Waterproof Bluetooth Speaker Using Plastic Pipe And Simple Tools: goo.gl/RdUL2T
- DIY 2.1 Bluetooth Speaker Using 100W Subwoofer:
goo.gl/i1pPUY
- How To Make Boombox Bluetooth Speaker Using Pipe Plastic (New Version): goo.gl/tExBri
- How To Make Boombox Bluetooth Speaker From Pipe Plastic:
goo.gl/8y3VSx
- Building Portable Bluetooth Speaker goo.gl/nMKukP
- How To Make A BoomBox Bluetooth Speaker goo.gl/t8zYjD
- How To Make A Solar Power Bank Charger For Mobile:goo.gl/K7s9Hg
- Diy Bluetooth Speaker From Box Tea: goo.gl/DUSj8x
- How to make 24V RECHARGEABLE BATTERY: goo.gl/BTbzp6
- How to make 3s Battery: goo.gl/oL2cfM
- DIY Cooling Fan For Laptop: goo.gl/z3SRtR
* My Page In Facebook: bit.ly/33TEyTC
* Join My Group In Facebook: goo.gl/BMvRAj
* Help Me Reach 500k Subscribe Here: goo.gl/dXJRte
* Music
- Vexento - Tevo
Link: goo.gl/FZeSxj
#diypowerbank
#diysolarpowerbank
#solarpowerbank

Пікірлер: 430
@TheSpotify95
@TheSpotify95 5 жыл бұрын
Great idea, but a few suggestions I need to add: 1) Those cells need to be capacity checked prior to connecting them up. If the cells are different capacity then they will drain at different rates, and you'll be limited to the weakest cell. 2) Voltage of the battery is not everything. I have had cells below 2.5V that have delivered close to their rated capacity when checked. You need to charge them and capacity test them using Turnigy Accucel/SkyRC Imax/Opus/Liitokala etc. 3) With such a large amount of batteries in parallel, the solar panel is not worth having. Its rated at 3W so will charge at a current of 0.6A - not considering any losses in the step down to the battery, the wiring etc. With 8 cells in parallel, the solar charger will charge them up at
@YourBassNeeds
@YourBassNeeds 5 жыл бұрын
Daaaaaamn you gave him a lesson
@mousecursor6521
@mousecursor6521 3 жыл бұрын
1. No you wont be limited to the weakest cells capacity because they are in parallel that means the voltage will stay the same on each cell no matter what that is only valid if you use a 2s 3s 4s, 5s,6s battery connections 4. Spot welders are expensive plus you need nickel strips and if you solder very quickly like 3-4 secs then its fine
@mariellecuesta5048
@mariellecuesta5048 6 ай бұрын
damn KOREK !
@GopiKrishna-jh9nn
@GopiKrishna-jh9nn 5 жыл бұрын
Hi It's good to know names of items that you used That you should display names of items will help to buy at market or shop
@user-tr2dh4xx6u
@user-tr2dh4xx6u 5 жыл бұрын
1. Its dangerous to connect so many cells in parallel especially from different packs. If the voltage varies or you have one bad cell it will drain every cell down to its max voltage. You need to add a protection circuit... 2. Dont solder directly onto the battery... they are usually attached with a spot welder. 3. The amount of batteries is COMPLETE over kill for a solar panel of that size. 4. Music is cancer... 5. Use flux for better solder joints
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Thank You!
@griefschicken8875
@griefschicken8875 5 жыл бұрын
The only problem I've seen is that he didnt use flux.
@beeramnagaphanidhar897
@beeramnagaphanidhar897 4 жыл бұрын
hello i woulld like to build a product similar to it.Can u help me selecting the better solar panel which can charge 10000mah power bank in 1 and half hour
@abdulmateenbudye7178
@abdulmateenbudye7178 4 жыл бұрын
1st your test your cells on multi meter thereafter join other not
@ArmanKhan-lj5dj
@ArmanKhan-lj5dj 4 жыл бұрын
@@KingMinhvuong sir ye pcb bord minimum kitne voltage pe kaam karta h
@scootergrant8683
@scootergrant8683 5 жыл бұрын
To give that plastic a smoother on its finish for the edges, take a blowtorch and quickly pass over it as it smoothens off the surface and does the job quite nicely. Don't hold for too long as it will warp and melt.
@smartshopper7993
@smartshopper7993 4 жыл бұрын
Awesome work brother, never mind what others say, what you do is not everyone can do. Of course things can be always optimized which I am sure you are capable of optimizing and improving. Good job. Best regards.
@jimthvac100
@jimthvac100 5 жыл бұрын
Agree with Robert s, The only reason retail manufactures put solar panels on those power packs is because they know the average consumer is going to be to ignorant to know it would take months to charge and nobody is going to put these in the sun for extended lengths of time because somebody would just end up stealing it. The real question is why the uploader of this video installed one on his power bank. Having said that. He did do a very nice job. Thinking if he installed an external dedicated solar charging jack to plug in a larger 20 or 30 watt solar panel would make more since.
@lyik5771
@lyik5771 5 жыл бұрын
There is an easier way. All you have to do is get a solar panel and a 5v converter with a USB inlet and plug your charger in.
@Amirr252
@Amirr252 5 жыл бұрын
Show me how ? Send me the vedeo link
@NdiranguWANJIRUB
@NdiranguWANJIRUB 4 жыл бұрын
Solar power banks are of great help. Chargie helps save battery life when the charger is plugged in.
@coolboyn3608
@coolboyn3608 5 жыл бұрын
Now thats a real power bank nice DIY bro keep it up
@erikiacopelli451
@erikiacopelli451 5 жыл бұрын
With the set up you have. Can I just keep adding more batteries or will I have to upgrade some parts??
@aniketdas3581
@aniketdas3581 5 жыл бұрын
Technically u can ads more batteries in parallel to the others but it will take time to recharge the batteries
@fortyinch
@fortyinch 4 жыл бұрын
I made one of these about 9 years ago... Fun project...
@Lardzor
@Lardzor 5 жыл бұрын
I think you you should be able to add a mechanical switch to use solar charging instead of using a cable.
@tempstep4058
@tempstep4058 Ай бұрын
Switch between solar or usb charging? I'm gonna do that instead of using a cable wire to input solar charging.
@jhebertdelacruz3607
@jhebertdelacruz3607 6 жыл бұрын
This project is: - Excellent; and - Good for blackout if you are outside.
@KingMinhvuong
@KingMinhvuong 6 жыл бұрын
Thank so much bro!
@DamienValentineKoguntetzu
@DamienValentineKoguntetzu 5 жыл бұрын
For a board like that you need to have a 2p formation... For instance you would be better off having the cells in a 4s 2p formation so the BMS can properly charge the batteries. Also... PLEASE do your research on pairing the batteries together... For your own safety.
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Thank for your advise
@timotoxic4664
@timotoxic4664 3 жыл бұрын
Amazing! You got an very seep learning curve. This thing is functional but very crudely build. In the projects you make now it's all very stylish and flashy. That boombox is a nice furniture. Go on and show us your art.
@davidzhvania5299
@davidzhvania5299 5 жыл бұрын
could connect the solar panel directly to the battery through the diode
@Mr.tricks.
@Mr.tricks. 3 жыл бұрын
I did it.. it's really working I am very happy 😂🎉🎊
@rockingflute4772
@rockingflute4772 5 жыл бұрын
sir ji video hai jabardast aur aapne saari jaankari di hai par aap log bahut fast video banato ho kyonki aap ko aadat hai parts ki aur knowledge hai par hum log jo aapka video dekh rahe hain jyadatar naye hai shokia taur par experiment karte hai request hai ki video slow banayein
@mysomeideas8932
@mysomeideas8932 5 жыл бұрын
Bhai solar ko bhi diod laga kar 1 hi saath join kar lete To automatics sun light pr charge hota Ab kon bahar jany pr cable join karega
@668aqua
@668aqua 5 жыл бұрын
What about the BMS ? Battery Management System circuit??
@Peter.Sky.Walker
@Peter.Sky.Walker 4 жыл бұрын
Both pcb's there have tp4056 chips on them which turn 5v into 4.2v, and 4.2v into 5v. No need for a BMS.
@ArceAngel
@ArceAngel 5 жыл бұрын
damn dude ur video edits are as awesome as what ur building. i kept wanting to pause to post but it kept getting better lol.
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Thank you
@deathincarnatesplace
@deathincarnatesplace 5 жыл бұрын
one magnet and then wrap with wire top to bottom and two outside magnets that have no wrapping is also worth a try. but use the tape wire stuff. this will allow the magnet to conduct and hold together. use real magnets for this one.
@shantelleadeline6053
@shantelleadeline6053 4 жыл бұрын
Great to see that Avasva has new instructions to save my money and energy to build it.
@RCHANNELVlog
@RCHANNELVlog 3 жыл бұрын
Thanks for sharing helpful tips, sending love, likes and support.
@TE.
@TE. 6 жыл бұрын
ủa sao không nối sợi dây từ mạch năng lượng mặt trời xuống mạch sạc sẵn luôn mà phải dùng sợi dây rời ở ngoài
@KingMinhvuong
@KingMinhvuong 6 жыл бұрын
Khi nào cần mới sạc a:)
@MR.Feat.
@MR.Feat. 3 жыл бұрын
Did all the powerbank motherboard same? I wan to use my old powerbank.
@hiendrianto
@hiendrianto Жыл бұрын
Kreatif inovatif Bikin rangkai powerbank sendiri Mantap mas bro & mau tanya apa pakai Modul TP4065 Charging yg 5 volt dc!??
@NeoS-fq6ex
@NeoS-fq6ex 5 жыл бұрын
I don't understand why you needed a 5v step up module to charge up the batteries, can I build mines without it? The solar panel is already rated at 5v when at peak sun light. And since the batteries are hooked up in parallel, it can be charged with less than 5v - right? Also, should I use a diode connected between the batteries and charge cable to prevent back current? And would it be better if I just solder the wires connecting the solar panels onto the battery board so I don't have to connect it with the usb cable?
@greenlife4404
@greenlife4404 5 жыл бұрын
You are good man broo i like your channel this my favorite 👌💪
@tjappie8860
@tjappie8860 5 жыл бұрын
so it is a really cool project butt there are many problems that i dont like at all 1.first up balance charge where is it? so al the battery's will charge evenly and the powerbankmodule wont heat up 2.second why remove the white led for a green one? 3.third but not last the solarpanel doesnt diliver to much power so you just can do it white out the solarpanel overall you're creative butt think also on safety
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
I like your comment. Sorry because i have too much comment so i can not reply all but i will update and fix like you say.Thank bro
@tjappie8860
@tjappie8860 5 жыл бұрын
@@KingMinhvuong yeah no problem i just want to have a better product so i can build it to and not worry about it is heating up or something like that
@ekoms108
@ekoms108 5 жыл бұрын
@@tjappie8860 all the cells are in parrelel. They self balance.
@vineethdasi
@vineethdasi 5 жыл бұрын
@@ekoms108 are you sure they'll self balance?
@muflatu
@muflatu 5 жыл бұрын
Your solar cell will charge that powerbank in 60 days sunlight.
@babyleo3804
@babyleo3804 5 жыл бұрын
@Shawn Candor Wow ! is that true?
@01Hudesohn
@01Hudesohn 5 жыл бұрын
Wenn 5V 1200 mA Volt IN und 10000 mA Akku mit perfekter Sonneneinstrahlung (Panel macht keine 3W) jedoch der Step Up lädt den Akku in 10 Stunden..
@aniketdas3581
@aniketdas3581 5 жыл бұрын
@@01Hudesohn can u translate to english!
@01Hudesohn
@01Hudesohn 5 жыл бұрын
If 5V 1200mA volts IN and 10000mA rechargeable battery with perfect sunlight (Panel does not make 3W) however the Step Up charges the battery 10 hours even more..
@bulwynkl
@bulwynkl 4 жыл бұрын
That 3W rating is rather overstated. Sunlight = 1W every 10 x 10 cm. Solar panels are around 20-25 % efficient. You need about 0.15 square metres of panel to get 3W.
@littlecarlitostrujillo2497
@littlecarlitostrujillo2497 5 жыл бұрын
I want one, nice job with the video, u must know a lot about electronic.... Great video...
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Thank you
@Whynot20204
@Whynot20204 2 жыл бұрын
Hi, I also want to build solar powerbank but I want to connect two 5v 0.55w =10v 1w approx solar panels to buck converter and use the buck converter to charge my phone/iPad i think it will charge my device faster ? Right ?
@deathincarnatesplace
@deathincarnatesplace 5 жыл бұрын
try the round magnet with coil on top and bottom and see what you get too.
@harinarayanreddy4971
@harinarayanreddy4971 4 жыл бұрын
Absolute genius!
@GreylionX
@GreylionX 5 жыл бұрын
2:50 ur doing it wrong..you first have to check whether batteries have same voltage and same capacity or not before connecting them together
@spyrosbellos2522
@spyrosbellos2522 4 жыл бұрын
why
@noname-codm4590
@noname-codm4590 5 жыл бұрын
How many watts is your soldering iron?
@abhiksanyal8592
@abhiksanyal8592 5 жыл бұрын
Brother I really appreciate your project but can I use TP4056 charging module instead of battery charger step up
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
TP4056 only use for 1-2 battery, not more
@CharmainePineda-e4z
@CharmainePineda-e4z 9 ай бұрын
Hello! Can yoy please tell me the purpose of the 5V Step-up Power Module?
@feniks773
@feniks773 5 жыл бұрын
Солнечная панель тут лишняя. А идея с корпусом понравилась !
@alinmoldovan2689
@alinmoldovan2689 4 жыл бұрын
Nice video, but how much days you need to charge from this tiny solar panel?
@monipallavdutta
@monipallavdutta 2 жыл бұрын
365 days only 😁👍
@oldhardwareprojectsoldchan1990
@oldhardwareprojectsoldchan1990 2 жыл бұрын
Do you charge the battery's before you use them?
@intensegodgaming4635
@intensegodgaming4635 4 жыл бұрын
Where did you bring so many laptop battery did you stole it hahahahahahahahahahahaha
@Tejaspr2405
@Tejaspr2405 Жыл бұрын
In Thumbnail There is written 10.000 mAh means only 10 mAh not 10,000 mAh
@creativemind4664
@creativemind4664 5 жыл бұрын
You very intelligent ,dear
@gg-lz3cy
@gg-lz3cy 5 жыл бұрын
Power Bank Board kaha milenga? Please Reply
@Agent-mu1pz
@Agent-mu1pz 4 жыл бұрын
Where did you get that MICA plastic
@MRNVCDIY
@MRNVCDIY 6 жыл бұрын
Great job.
@KingMinhvuong
@KingMinhvuong 6 жыл бұрын
Thank my friend!
@manojkumarmanu7329
@manojkumarmanu7329 5 жыл бұрын
In market solor power bank cost is start from 500rs.
@user-db5pk3bp3s
@user-db5pk3bp3s 5 жыл бұрын
Такого на колхозил ))) Всё в термо-клее под орг стеклом ахахаха))). Посмешил от души)))
@e-commrace1665
@e-commrace1665 2 жыл бұрын
Perfect but sell very expensive dear
@abhiyendersingh619
@abhiyendersingh619 5 жыл бұрын
Ewww the glue, use less please, it cause thermal heating of the IC, especially when you are in sunlight and charging your device
@h1ghe3a44
@h1ghe3a44 5 жыл бұрын
Thanks for the best advice! This way it will be less worn (the battery bank) due to the heat.
@HobkinBoi
@HobkinBoi 5 жыл бұрын
That solar cell looks pretty pathetic. Yeah, It'll charge.. but it'll take a good long while. You would be better off making a portable folding solar panel. The extra current would greatly benefit here. Also. Don't skimp on the solar cells. The cheap ones might be tempting, but they most likely are pretty bad.
@DineshShuklaShukla-od3ih
@DineshShuklaShukla-od3ih 4 жыл бұрын
बहुत बढ़िया अगर आप हमे भी शोलर पावर बेक्प बना के देदो सर
@panuelpanganiban9078
@panuelpanganiban9078 4 жыл бұрын
Sir can i use 20pcs 18650 Battery to that power bank module ??
@mbkkkm4508
@mbkkkm4508 5 жыл бұрын
Good work brother 👍👏👏👏🌹
@jeysongutierrez1851
@jeysongutierrez1851 5 жыл бұрын
where can i buy the mica plastic??
@noctambulomissthesun3858
@noctambulomissthesun3858 2 жыл бұрын
i love the idea but that solar panel will take probably 24 hrs to charge this pack
@Josegarcia-xw3ci
@Josegarcia-xw3ci 5 жыл бұрын
Nice. Very nice
@workshopelectrical
@workshopelectrical 3 жыл бұрын
Hello how many ouput solar cell?
@lrac9582
@lrac9582 5 жыл бұрын
battery must have same rating capacity(mah) and i think it should be drain first in order to recalibrate
@TheSpotify95
@TheSpotify95 5 жыл бұрын
It's better to test each capacity using Turnigy Accucel or SkyRC Imax to get the capacity of the cells. then use cells with same capacity and charge them all to the same level before connecting together.
@im__adarshh_
@im__adarshh_ 2 ай бұрын
what is the dimension of acrylic sheets please tell me
@coisasdiversos8366
@coisasdiversos8366 5 жыл бұрын
Muito maneiro very good like very fine
@mukitislam20
@mukitislam20 5 жыл бұрын
Vai sarkit ta ki nije toiri korsen na kinse....... Sarkit ki kinte pawya jai ?
@TE.
@TE. 6 жыл бұрын
Good good !
@dmahmedhunterali840
@dmahmedhunterali840 2 жыл бұрын
How long will it take to charge 8 batteries from this model?
@jaidevsingh8698
@jaidevsingh8698 4 жыл бұрын
Can we do this with normal pencil cells?
@jeffcarpenter7721
@jeffcarpenter7721 4 жыл бұрын
if my hands could move that fast id never leave the house oh wait.... i dont
@sapthagiris2277
@sapthagiris2277 5 жыл бұрын
Bro which charger is suitable to charge the 18650 battery separately?
@mohamed.badaruddin.5500
@mohamed.badaruddin.5500 4 жыл бұрын
Please mention in writing what was the batteries. Or rechargeable Sony batteries removed from. The video was not narrative or there wasn't enough feedback.
@anirudhh1301
@anirudhh1301 4 жыл бұрын
Can we use rechargeable batteries?
@johnruscigno5738
@johnruscigno5738 5 жыл бұрын
Tried this but when I tried away the metal tac welds, it left holes in the batteries, better to just snip them off short as possible and leave them on.
@bellelysenko3498
@bellelysenko3498 4 жыл бұрын
What was confusing is why have a usb step up port if not soldered to the PCB, but looks like he is using it to be a port to connect the solar power source and connect that to the bank power in port
@patrikpavlik3540
@patrikpavlik3540 5 жыл бұрын
why isnt the solar panel connected from that board to charge the battery instead using usb cable?
@luizfelipedamacenaberger8950
@luizfelipedamacenaberger8950 3 жыл бұрын
if you turn on the batteries in the step up module of the solar panel would charge the batteries
@mashedpotatoes5323
@mashedpotatoes5323 5 жыл бұрын
What do you do with the batteries that are under 3v?
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Maybe i will discharge it untill die and throw it away
@mashedpotatoes5323
@mashedpotatoes5323 5 жыл бұрын
@@KingMinhvuong I've been using cells that I've recovered from less than 1v and been using it for months in a portable power bank
@ALLINONE-mp5bh
@ALLINONE-mp5bh 4 жыл бұрын
nice job.
@luiseninool7148
@luiseninool7148 5 жыл бұрын
What if i want to make one with Quick Charge 3.0 ??? What board do I need ??
@Jannetto
@Jannetto 4 жыл бұрын
Nice video tutorial love it
@sharukhmatekuki5830
@sharukhmatekuki5830 2 жыл бұрын
Nice 👍🏻👍🏻 🇮🇳 || Kuki 28|01|2022
@nareshtechindia6780
@nareshtechindia6780 2 жыл бұрын
Very nice
@cesarzuniga542
@cesarzuniga542 Жыл бұрын
Buen tuto para powerbank solar. Pero ell pegamento térmico para estos proyectos es inútil. Con la calor de la carga de baterias ,se derretira y quedarán tapados los puertos usb.
@Mr.tricks.
@Mr.tricks. Жыл бұрын
Bro I made Shot-circuit The Display Had Blasted.... Can we repair it??
@vineethdasi
@vineethdasi 5 жыл бұрын
baterries in parallel is it safe?
@emanuelh.a8492
@emanuelh.a8492 5 жыл бұрын
Depende del modo de uso9 que le des, lo que aumenta son los amperios, así que si quieres freir algo con esa corriente, es perfecto para eso.. XD
@AlexandrProtsenko
@AlexandrProtsenko 3 жыл бұрын
Нормально, зачётно получилось.
@arekzotkiewicz176
@arekzotkiewicz176 4 жыл бұрын
Why u changed the button and diode?
@eyefishinggunkchannel1011
@eyefishinggunkchannel1011 Жыл бұрын
Why not connect the solar allready 2 ya pb insteadbof having 2 plug it in
@KNoobGamerz
@KNoobGamerz 5 жыл бұрын
I had tested an arrangement with the module you used for solar charging but in my case it discharged instead of recharging unless you connect it with other battery
@KingMinhvuong
@KingMinhvuong 5 жыл бұрын
Sure?
@KNoobGamerz
@KNoobGamerz 5 жыл бұрын
Yes
@jirik_cz
@jirik_cz 4 жыл бұрын
Good idea
@Ebikegaragekingbluetooth
@Ebikegaragekingbluetooth 4 жыл бұрын
Very very very very good! 🤩😍
@PygmalionFaciebat
@PygmalionFaciebat 4 жыл бұрын
Even if the Solarpanel seems to be appr. 22 cm * 10 cm - the actual solarcells seems to be a half of the size (tops) - if we counted these 'solar bars' together. Leading to a plane of solarcells of 11* 10 cm - or 110 cm² ... Lets assume the efficiency of these solar cells are 25% (which are the highest quality availabla (usually they are around 18-23 % ) - but lets be generous... One square metre is 10 000 cm² - so 110 cm² is appr. 1/90th of a square meter... The solar constant is 1380 Watt per square metre ... appr. 30% of that is swollowed by the atmosphere - so - there comes only 1000 Watt (or 1 kW) per square meter.. But 110 cm² is only 1/90th of a square meter - so 1000 / 90 = only 11 Watts comes to these solar cells... But we forgot the efficiency of the solar cells (25 %) , which divide the 11 Watts (100% / 25% = 4) by factor of 4 ... . 11 / 4 is around 2,75 Watts .. If we say, the resistors and circuits also swallows a bit of efficiency - we are at : VERY generous 2,5 Watts - tops ! Lets forget the efficiency of charging and uncharging Batteries (its almost 100%) ... Usual Batterysizes in Smartphones are around 12Wh ... Meaning - to charge the battery full, it would need at least 5 hours (and that means you have to hold the solar cells always to the sun - perfeclty 90degree). In its natural state (laying flat) , the efficiency of solarcells are appr. 50% ... meaning that it would need 10 hours of pure sunlight. For an emergency-situation, its ok.... But for emergency situations, i would go with hand-cranked-battery-charger.. which is independent from sunlight - and it would have less weight, and less clunky.
@hoailinhvunguyen9898
@hoailinhvunguyen9898 5 жыл бұрын
Quá sáng tạo. Thank ad nhìu
@fredgazuma3191
@fredgazuma3191 2 жыл бұрын
You're amazing a super man.
@im__adarshh_
@im__adarshh_ 3 жыл бұрын
how i get that mica plastic?
@myanmarmusicholic4403
@myanmarmusicholic4403 4 жыл бұрын
How much hours to charge with solar.?
@fellpower
@fellpower 3 жыл бұрын
If u are not good at making things, but good in math an physics - u understand, that the word "solar" in this project is only a word. if u do the math, u can see, that the solarpanel need MONTH to chatge that batteries...
@brianahbards
@brianahbards Ай бұрын
is it safe to put a glue gun directly to motherboard??
@deathincarnatesplace
@deathincarnatesplace 5 жыл бұрын
use refrigerator magnet thin and then wrap to make flashlight batteries for the government and it will make them very happy with you. (the cop whose flashlight never went out.) will be story dedicated to you when you are an old man.
@xnoxkillxgaming392
@xnoxkillxgaming392 4 жыл бұрын
That solar panel isn't going to charge those batteries buy a good solar panel
@jacobdsouza8613
@jacobdsouza8613 2 жыл бұрын
Can i connect 18650 batteries having different Mah? eg: 1 battery has 2000 mah and other battery has 2500 mah, but both have 3.7 volt
@KingMinhvuong
@KingMinhvuong 2 жыл бұрын
Yes. You can try to do that
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