Now we're going to start on the wiring.
First let's attach the positive wire on the inverter.
Screwing on the lugs.
Now we'll install the negative wire on the inverter as well.
This is the negative wire for
Volt meter, usb and 12v ports.
We'll be chaining them together.
Mark is measuring the length for each segment.
Now it's time to cut.
We're going to chain the componets
using the connectors.
Let's pull out one of the connectors.
The ring terminal is for connecting to the battery.
taking off the insulation to expose the wire.
Now we'll crimp the connector.
And give it a good tug to make sure it's secure.
Actually, we didn't need to attach this ring terminal.
I'll point out why a little later.
To chain the components
We'll splice to sections and use one connector.
The wires just barely fit in this connector.
I think it would be better to use a larger connector.
Now for the rest of the sections
we cut and expose the wire
insert them into the connector
use the crimper
and repeat.
You can see the negative wire is ready to chain.
The black wire is done (or so we thought).
The 12v meter, 12v and usb ports
all have just two plugs
but the switch has three.
The gold plug Mark is pointing out is the negative.
The middle connects to the power source.
And the last one is the positive.
Now we'll chain the positive wire in the same way.
The positive and negative wires are ready.
Now we'll connect them.
Let's connect the negative wire to the gold color plug on the switch.
It's a bit of a tight fit
but with a good push it goes in.
Now we'll connect the power source wire.
Finally, we attach the positive wire
and the switch connections are done.
Now let's connect the rest.
First we take the positive wire
And attach them to the positive plugs.
We go from the switch to the 12v port
usb port, and volt meter in a chain.
And now we'll connect the negative wire.
After connecting everything
we realized we forgot something.
On the power source wire
we didn't attach a fuse.
So now we're attaching it.
We attached the fuse to the switch.
Don't forget.
While attaching the fuse...
Earlier we mention that
the power source wire attaches to the battery.
But that was wrong.
We're connecting to the solar charge controller.
This is because AGM batteries if they go below 12 volts
it can harm the battery.
The solar charge controller has battery low voltage protection.
This will help protect the battery.
So that's why we're doing it this way.
The negative wire also won't connect to the battery
so we're cutting off the ring terminal.
Now those are my hands.
After watching Mark, I wanted to give it a try.
Now we're installing the wire that goes from the solar charge controller to the battery.
Using the pliers
I cut the red wire.
and attach the connector.
Next I crimp the connector
to finish it up.
And the same for the black wire.
And now the fuse going to the battery.
Now we're taking the wires
and inserting them into the solar charge controller.
Give the exposed wire a twist.
And inserting them in the controller.
I'm doing a good job right?
For the wires going out of the case
We're using hot glue to keep them in place.
For the USB and 12v ports
we inserted a 20 amp fuse.
For the wire from the controller to the battery
We used a 30 amp fuse.
The inverter already has a fuse
So we didn't at an extra.
The inverter is already in the case.
And now we'll place the battery.
First we put down some VHB tape.
Now Mark uses his strength.
We dropped down the 12v 50Ah battery.
We installed the battery on it's side.
This is okay for AGM batteries.
but if you're using a regular battery
You certainly don't want to do this.
And now we'll attach the wires (from the controller and inverter) to the battery.
First the positive wires.
And next the black negative wires.
Now let's turn it on.
Can you see?
The voltage meter and USB LED came on.
Now let's test it.
Take out my phone
and plug it in.
Will it work?
Take a look.
My phone is charging.
And now our DIY battery bank is complete.
What do you think?
Not bad right?
The last sockets are to attach a solar panel.
But it hasn't arrived yet.
Later when we install it we'll be sure to show you.
On our last campervan trip
We took this batter bank with us.
We were wondering how well it would work.
And it work flawlessly.
It's actually really surprising to me but I love it.
For our battery bank
We used a 300W inverter
and a 50ah battery.
We mainly built it for our laptops
So it's a bit on the small size for a camper.
But for others with more power needs in their campers
it would be good to use a much bigger inverter and battery.
If you like the battery bank we made
Show us some love with a thumbs up!
Make sure to click like.
If you want to watch us on our campervan trips
Don't forget to subscribe.
Okay, I'll see you next time.
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