Build a E Bike Battery from Power Banks – DIY experiment

Build a E Bike Battery from Power Banks – DIY experiment


Hei guys ! Today I want to show you how to
build an e bike battery out of power banks ! I am going to use 7 power banks . Each one
of them will have an output of 5 volts and one amp s. As you can see over here . If I
use 7 power banks it meens that they can produce 35 volts so I got to use one more battery
with an 1.5 v output , so therefore I can get 36 volts which is requiered for e bike
battery motor to run . Now I am going to cut an USB cable , to remove the plastic cover
I am going to use a lighter ; on both wires ; If you find 4 wires inside ,usually the
ticker ones are for the electricity and the rest of them are for data . Next I am going
to connect 7 of these USB cables in series ; Imagine like 7 people holding tehyr hands
together , left with right ,right with lefts , and so on . Then I am going to isolate them
. Now everything is in place , USB cables are connected ; I am going to activate all
this power banks and I am going to check the voltage and we have got 36.7 volts which is
perfect for the motor in theory . I am going to add this cable to the battery assambley
; which will connect to the controler conector . : Minus to minus plus to plus . To charge
them up I am going to connect 7 usb cables to the charging port ; That’s because the
only way to charge this is to charge them separately .Now I am going to make this battery
group more stabil by taping them ; just like so ! nice solid battery pack ! ready to go
. So as you can see I connect this to the controler and I place it on this rack over
here , it looks like something else , but that’s all right ! So let’s check it out ! I
am going to activate again the power banks and let’s start the bike ! and there we go
! it lights up and I guess the next step is to go for a ride ! I am going to activate
the power banks , turn on the bike , and let’s see how it goes ! This is the first time when
I try this ; and it seems like it’s going ok , Level 1 of assist it works , let’s try
level 2 .. it seems like it doesn’t work ; so yeah , as you can see it works only on level
one , which is coool ! for a power bank battery ! All right guys that was my experiment , I
did not want to have this battery as a main source of power for my e bike ; I thought
is going to be a good ideea to share this with you to encourage you to build a battery
by yourself and help you understand how a e bike battery works , Of course the proper
way to build a battery out of power banks is : to take out the cells , solder them together
, place a BMS and all that stuff , which I am going to do in one of the next videos ; So
I made this video because it’s fun and surprisingly it works even though the power banks have
a very low output amount of power so yeah , thanks for watching and I will see you in
the next video !