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Building My Laptop Battery Power Bank - Science/Technology - Nairaland

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Building My Laptop Battery Power Bank by engreddy(m): 10:23am On Mar 14, 2022
Building My Laptop Battery Power Bank

So about 3 months ago, I bought a new laptop. I was not quite impressed with the battery life, BatteryInfoViewer Software shows it has lost about 15% of its battery health. Purchasing a new one was not an option, at least for now.

So I set out to building a Powerbank for the laptop, with the option charging phones when needed. So below are the pictures before, during and at the end of the work.

The initial plan was to build a 24v system, then using a dc to dc converter, step it down to 19.4v that my laptop would need. While waiting for the parts I ordered from china, I built the 24v battery pack (6S8P).

One arriving and during test, I discovered the 300w DC to DC converter was faulty in a way. It would only boost the voltage and not step down. So I change the plan, I do not have the luxury of starting dispute, initiating returns etc. I change the plan from a 24v system to a 12v system and boost the voltage from 12v to 19.4v. So my battery pack is now 3S16P, 12.6v.

Some drilling, grinding, soldering, etc works that had to be done. I still plan on reverting the system to 24v in the future, but for now, I will use it this way.

4 Likes

Re: Building My Laptop Battery Power Bank by engreddy(m): 10:27am On Mar 14, 2022
Here is the video.


https://www.youtube.com/watch?v=2RBx_V2Y3WM

2 Likes

Re: Building My Laptop Battery Power Bank by engreddy(m): 10:30am On Mar 14, 2022
hhh

1 Like

Re: Building My Laptop Battery Power Bank by Nukilia: 10:52am On Mar 14, 2022
Following you steady! grin grin

I love this type of topic. <3

Do you have a spot welder @engreddy

1 Like

Re: Building My Laptop Battery Power Bank by engreddy(m): 11:54am On Mar 14, 2022
Nukilia:
Following you steady! grin grin

I love this type of topic. <3

Do you have a spot welder @engreddy

Yes. I built mine.

1 Like

Re: Building My Laptop Battery Power Bank by Nwaotu10(m): 1:55am On Mar 15, 2022
Would you please build one for me? Would pay for it.
Re: Building My Laptop Battery Power Bank by engreddy(m): 6:55am On Mar 16, 2022
Nwaotu10:
Would you please build one for me? Would pay for it.

Contact me. Check the video, you will see my number.
Re: Building My Laptop Battery Power Bank by admiral007: 7:56pm On Mar 26, 2022
Nice. Weldon OP

1 Like

Re: Building My Laptop Battery Power Bank by PlaysNigeria: 8:14pm On Mar 31, 2022
Stunning, I've been looking for stories like this on nl smiley

3 Likes

Re: Building My Laptop Battery Power Bank by admiral007: 7:34pm On Apr 20, 2022
Op, I'm interested in making a spot welder myself, any tip/heads-up from you?
Re: Building My Laptop Battery Power Bank by engreddy(m): 10:40am On Apr 21, 2022
admiral007:
Op, I'm interested in making a spot welder myself, any tip/heads-up from you?
I assume you already got the required materials

https://www.nairaland.com/6638536/build-spot-welder-18650-lithium
Re: Building My Laptop Battery Power Bank by okikigsm: 7:48am On Apr 22, 2022
pls is the transformer to use a working one or bad one?
Re: Building My Laptop Battery Power Bank by engreddy(m): 3:09pm On Apr 22, 2022
okikigsm:
pls is the transformer to use a working one or bad one?

Most times, when a microwave oven is bad, the transformer is still good. So you get the transformer that is still working, but repurposed it for a the spot welder. You only need the primary of the transformer. You cut out the secondary.
Re: Building My Laptop Battery Power Bank by okikigsm: 3:43pm On Apr 28, 2022
thanks.

1 Like

Re: Building My Laptop Battery Power Bank by IrePraise(m): 11:27pm On Feb 17, 2023
engreddy:
Building My Laptop Battery Power Bank

So about 3 months ago, I bought a new laptop. Asus GL502 (Republic of Gamers). I was not quite impressed with the battery life, BatteryInfoViewer Software shows it has lost about 15% of its battery health. Purchasing a new one was not an option, at least for now.

So I set out to building a Powerbank for the laptop, with the option charging phones when needed. So below are the pictures before, during and at the end of the work.

The initial plan was to build a 24v system, then using a dc to dc converter, step it down to 19.4v that my laptop would need. While waiting for the parts I ordered from china, I built the 24v battery pack (6S8P).

One arriving and during test, I discovered the 300w DC to DC converter was faulty in a way. It would only boost the voltage and not step down. So I change the plan, I do not have the luxury of starting dispute, initiating returns etc. I change the plan from a 24v system to a 12v system and boost the voltage from 12v to 19.4v. So my battery pack is now 3S16P, 12.6v.

Some drilling, grinding, soldering, etc works that had to be done. I still plan on reverting the system to 24v in the future, but for now, I will use it this way.

Wow I'm currently making a laptop power bank this is a really helpful piece

1 Like

Re: Building My Laptop Battery Power Bank by bobkezel(m): 9:29am On Jun 30, 2023
engreddy:
hhh
Can u make me one?
Re: Building My Laptop Battery Power Bank by engreddy(m): 9:35am On Jul 02, 2023
bobkezel:

Can u make me one?

I think it is better you buy one. I may not have the time, I have a lot of programs I am running. If you need a link to where you can buy, I assist you.
Re: Building My Laptop Battery Power Bank by bobkezel(m): 12:54pm On Jul 02, 2023
engreddy:


I think it is better you buy one. I may not have the time, I have a lot of programs I am running. If you need a link to where you can buy, I assist you.
OK sir, pls I need the link. Thanks
Re: Building My Laptop Battery Power Bank by akpota(m): 2:00pm On Jul 02, 2023
Op abeg post your number.
This number isnt easy to see from your video abeg.
I want to contact you.
Re: Building My Laptop Battery Power Bank by engreddy(m): 1:53pm On Jul 06, 2023
akpota:
Op abeg post your number.
This number isnt easy to see from your video abeg.
I want to contact you.

here it is.
Re: Building My Laptop Battery Power Bank by engreddy(m): 1:54pm On Jul 06, 2023
akpota:
Op abeg post your number.
This number isnt easy to see from your video abeg.
I want to contact you.

Ok. Give me some moments.
Re: Building My Laptop Battery Power Bank by engreddy(m): 4:35pm On Jul 06, 2023
engreddy:


Ok. Give me some moments.

Contact him

Re: Building My Laptop Battery Power Bank by bobkezel(m): 10:13am On Jul 12, 2023
engreddy:


I think it is better you buy one. I may not have the time, I have a lot of programs I am running. If you need a link to where you can buy, I assist you.
Thanks boss, pls give me the link
Re: Building My Laptop Battery Power Bank by engreddy(m): 10:34am On Jul 14, 2023
engreddy:


Contact him
bobkezel:

Thanks boss, pls give me the link

(1) (Reply)

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