This is how I built a 4s 18650 Lithium-Ion pack for my 4" long range quads
I know this isn't the perfect way to build a battery pack but this gets the job done and is safe enough for what we do with these quads.
List of the parts I used (and some that I didn't):
Molicell p26a http://bit.ly/3qdw9Em
Xt30 https://amzn.to/3kKbtCP
4s balance lead https://amzn.to/3uPbWsb
Heat shrink 85mm https://amzn.to/3qdOEZb
Nickle strip 0.2mm https://amzn.to/2NKGvi1
Kapton Tape 5.89 https://amzn.to/3q7Pu9Z
Fish tape rings https://amzn.to/3kBtovo
Spot welder https://amzn.to/3bSM85N
If you just wanted to purchase a pre-built 18650 pack you can get one here at RDQ: https://bit.ly/2NMjHhX
If you really want to support me, head over to my web page https://www.tweetfpv.com to see all the ways you can support me and my work in the FPV community.
Patreon page: https://www.patreon.com/Tweetfpv?
BetaFPV: https://betafpv.com?sca_ref=360201.IdW7j0Cv8A
Insta360 Go: https://www.insta360.com/sal/go?insrc=INRO7M1
GetFPV referral link: https://www.getfpv.com/r/97054/
If you would like a set of your own radio grips please visit my Etsy store: https://www.etsy.com/shop/TweetFPV
Help support me by clicking through this link the next time you purchase from banggood. https://www.banggood.com/custlink/KmmmN0hswJ
If you need one-on-one troubleshooting for your equipment, come over to Discord and I can help you out: https://discord.gg/b2nUTux
Buy me a beer or two: paypal.me/TweetFPV
Like me on Facebook https://www.facebook.com/Tweetfpv
Follow me on Instagram https://www.instagram.com/tweetfpv/
Email me at [email protected]
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Tools:
Wera Kraftform Plus 354 Hex-Plus 2.5mm Hexagon Professional Screwdriver: https://amzn.to/2Wd6K1z
Wera Kraftform Plus 354 Hex-Plus 2mm Hexagon Professional Screwdriver: https://amzn.to/38MN0Xz
Wera Screwdriver Hex-Plus, 1.5 mm x 60 mm: https://amzn.to/2Cu9LDn
Pocket Multimeter: https://amzn.to/3elmd5Q
RDQ prop Tool: https://www.racedayquads.com/products/prop-wrench-rdq-prop-tool?_pos=1&_sid=69d7f1da6&_ss=r
TS80: https://amzn.to/3gPsnwz
X-acto knife: https://amzn.to/2OhG3Ep
Soldering tweezers: https://amzn.to/326ujNe
Filming:
Sony A5100: https://amzn.to/38Pme0L
Comica boomxd wireless mic: https://amzn.to/3gQB1uV
Joby Gorilla pod: https://amzn.to/3eiz0pt
Ethix SD card holder: https://newbeedrone.com/products/ethix-sd-card-holder
Microsoft PL2 ARC Touch Mouse: shorturl.at/bm137
Quads and quad parts:
APEX HD frame: https://www.getfpv.com/impulserc-apex-5-hd-frame-kit.html
Ethix S3 Props: https://www.getfpv.com/ethix-s3-watermelon-propellers.html
Five33 Tinytrainer: https://flyfive33.com/product/tinytrainer-frame-kit/
DJI FPV system: https://www.banggood.com/custlink/GGGyh7Bz6R
Eachine FPV Watch monitor: https://www.banggood.com/custlink/mK3K4oSIm6
HOTA D6 Pro: https://www.banggood.com/custlink/DGKERfgUjC
Betafpv 65x HD: https://amzn.to/2ZZSDOf
happymodel mobula6 25,000KV: https://www.banggood.com/custlink/D3mmbOOnP2
TBS Tango2 Pro: https://www.getfpv.com/tbs-tango-2-pro-fpv-rc-radio-controller.html
Betafpv BT23.0 charger: https://amzn.to/3iPKEvP
Strix PH2.0 charger: https://amzn.to/2BSxvl1
Lumenier Axii Long Range antenna: https://amzn.to/38V6t8E
Ethix Liop bag: https://www.getfpv.com/ethix-heated-deluxe-lipo-bag.html
DJI PFV goggle analog adapter face plate: https://www.ebay.com/itm/Faceplate-for-Rapidfire-module-in-DJI-Digital-FPV-Goggles/174208692695?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
ISDT BG-8S lipo checker: https://www.banggood.com/custlink/vGKYR702gl
Earth bound entertainment:
ODROID-GO Advance Black Edition Aura Black: https://www.hardkernel.com/shop/odroid-go-advance-black-edition/
RK2020: https://rkconsole.com/products/rk2020-console?variant=32464451567670
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Thank you and keep flying!
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TOC:
intro 00:00
supplies 02:00
How to pick a cell 06:30
What does a bad cell smell like 10:10
Pack layout 10:40
Start building 13:50
How to solder a cell 16:50
How to weld a cell 19:20
Wiring the pack 25:30
Making it safe 30:30
Final thoughts 32:45