Building a Modular 18650 7s Power Wall



I’ll make another video in a week or two of time lapse step by step building the power wall. this video is more of how I came to developing this final design. It took over a year of planning, design, test and failure to arrive at this stage. It was not easy and many parts were not available when i started building in Sept. 2017.

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Hello! I’m Andy and this is my video log of designing and building the cheapest most modular and easy to fix, diagnose and build power wall. Watch my latest videos for updates and ask any questions if you’re not sure. It’s a lot of information.

Thanks!

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Banggood referral link: https://bit.ly/2VQrrP5

12v QC3.0 Dual USB 5-29.4vdc (best USB phone charger)
https://ebay.to/2SSAqgP

29.4V 5A Lithium Battery Charger for 24V Li-ion Ebike Car Power with C13 Plug
https://ebay.to/2SQVsfx
XLR female connector:
https://www.banggood.com/custlink/KGGvhEUBbW
https://ebay.to/2D8J5G8

20A dc breaker: https://www.banggood.com/custlink/DGDmEEMeqK
30A dc breaker: https://www.banggood.com/custlink/3K3KRYU0zR
40A dc breaker: https://ebay.to/2TPWLM2
Cable lugs: https://ebay.to/2ssDGUd or https://ebay.to/2RrLuVp

Fuse wire 30 AWG Tinned Copper 100′ 0.0100″ Dia:
https://amzn.to/2RPHld2
https://ebay.to/2FsSBWq

18650 Battery holder With 8Pin Soldering Connection:
https://bit.ly/2SR2m4A
https://ebay.to/2QHwP3f

25$ 100A diy spot welder: https://bit.ly/2B1duoG

tp4056: https://www.banggood.com/custlink/Gv3KhEM6Ni
mini volt meter: https://www.banggood.com/custlink/Dm3myyz0AL
lii-500 charger: https://www.banggood.com/custlink/KvvDEyMgng
4$ battery mAh tester: https://ebay.to/2For9db

12vdc desktop computer ATX power supply: https://ebay.to/2VT1bTZ
buck to 12vdc converter: https://ebay.to/2sqBg8Y
200W 8A buck converter: https://www.banggood.com/custlink/v3GGhY20CS
300W 20A Buck Converter 6-40V to 1.2-36V: https://www.banggood.com/custlink/3DDDdR2B0Z
18$ 6A buck boost 10-40 to 0-38v: https://ebay.to/2QLUpvJ
7$ 15A 400w boost converter: https://ebay.to/2Rp82WK
15$ 5A MPPT CC/CV buck converter 6-36v to 1.25-32v
https://www.banggood.com/custlink/G33mhyzB0N
mpt-7210A mppt boost: https://ebay.to/2Fu7Y0M
pwm 20A solar charge controller: https://www.banggood.com/custlink/GKKmydMeNb

7s 60A dis, 30A charge, 60mA balance: https://bit.ly/2B1Ficn
7S 18650 Charger BMS Protection Board: https://ebay.to/2RN7ZU7
160$ SBMS0 200mA bms: electrodacus.com
kickstarter.com/projects/electrodacus/solar-bms-and-digital-mppt-for-pv-electricty-and-h

3$ terrible 66mA Balancer board: https://ebay.to/2Fql8gc
20A BMS 7s 80mA balance: (fake only does 50mA): https://ebay.to/2RN7ZU7
50A 7s BMS no balancing circuit: https://ebay.to/2Ft77hR
100A 7s 60mA bms: https://ebay.to/2VL5Ffz
Switch Male Power Socket 10A 250V 3Pin IEC320 C14 Inlet: https://www.banggood.com/custlink/KmKvRYqNY8
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random parts:
MJ2955 transistor: https://ebay.to/2AMLTax
photo resistor kit: https://ebay.to/2TPY1yK
5x 5K Potentiometer 15mm ON OFF Switch: https://ebay.to/2RuLHaf
10x DPDT On-Off-On: https://www.banggood.com/custlink/mvDmRdk4eW

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24v LED light system:
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12-24vdc LED lights: https://ebay.to/2THFfcK
dpdt switch: https://www.banggood.com/custlink/GmmGhh20Cp
Pots var pack: https://ebay.to/2VPOwBp
pot knob: https://www.banggood.com/custlink/KDmDYEU0JV
200W 8A buck converter: https://www.banggood.com/custlink/v3GGhY20CS
diodes: https://www.banggood.com/custlink/vKmmdRzgC6
terminal connectors: https://ebay.to/2Cfjny4
resistor set: https://ebay.to/2QKAGMM
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Solar
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60 cell panels pickup only BC, Canada: https://bit.ly/2R5fn8Z

urethane @ lowes: https://bit.ly/2RcHL9n
45v 10A Schottky Diode 10SQ045: https://bit.ly/2S9BwYs or https://bit.ly/2WbuNfv
15$ 5A MPPT CC/CV buck converter 6-36v to 1.25-32v:
https://www.banggood.com/custlink/G33mhyzB0N

0.37w 78x26mm: https://bit.ly/2sI7LiX
0.43w 52x52mm https://bit.ly/2CFQ87P
0.66w 78x52mm https://bit.ly/2FO2lM3
1.75w 156mmx62.4mm: https://bit.ly/2RHDMGE
2.55w 156x104MM: https://bit.ly/2UiqAFl
4.38w 156×156mm: https://bit.ly/2FJy7d0

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