Battery and Charger Conversion (Nicd to Lithium) Compact Cordless Drill | RYOBI BD-120

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Published 2021-04-28

This is an abandoned item in Japan as it is powered by a Nicd battery system. Most power tools today are powered by lithium battery system. This drill is still working well, expect the dead battery. In this video, I converted Nicd battery to lithium ion battery and also increased the battery capacity. New lithium batteries cannot be charged with the original charger. I also changed Nicd charger to a lithium charger too.

The new battery pack
- 1 BMS 3S40A 12.6V
- 6 Lithium batteries 5C 3.7V 2500mAh
- Voltage 12.6V
- Capacity 5Ah

*Note this model cannot run with BMS 3S20A

I hope you find this video useful and enjoy!
I am happy to receive feedback, suggestions to improve myself.
!!! I'm sorry for the mistake if I did this video !!!
Thank you very much for your likes, comments and subscribe!
Have a nice day
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All Comments (21)

@jorgesousadanielfreitas9349 2 years ago

This battery reconditioning program exceeded my presumptions. It worked on any drill battery, several AA and AAA batteries, batery.repair and any camera battery. The steps are simple and the act itself is exciting to do. No matter what type of battery you`ve got, it is sure to function again!
@degamer5274 1 year ago

Making use of the youtube.com/post/UgkxcJ22tnHH9l1vjdIdEIG27iOG55P7L… reconditioning plan, I just saved 2 auto batteries from being completely junked. The guides were very simple to follow. I wish I would have found this years ago! You may use the guide to recondition any battery type
@troyna77 3 years ago

thanks for the tip on the LED indicator on the charging block. I liked that you even updated the voltage/amperage data on the stickers !!! That being responsible for the next person who needs to work on it or battery. Way to go !!!
@kret63 3 years ago

Ahh, my favourite electronics job :) Thank You dear Sir!
@rinaldojunior3957 3 years ago

Amazing vídeo! Love the charger rebuild.
@dahlesa 3 years ago

Ah, the famous "Chisel Metohd" back in action.....
@jackbrown4911 3 years ago

I’m a part of my schools theatre club, and I’ve come to learn that drills and impacts are an essential, it’s fun to see how they work form the inside, and how you bring them back to life.
@rabk5702 3 years ago

Your ace at building them battery packs nice one :-)
@toolteardown1 3 years ago

Amazing job as usual, you inspire me to keep working on new videos myself. It is hard sometimes to keep going!
@justarideout 3 years ago

Fantastic as always
@gplusgplus2286 3 years ago

Fantastic job!!
@metallion25 3 years ago

Awesome! would love to have a tour of your workshop!
@MYs0708 3 years ago

Amzing, you are the king of battray 😁🙏
@muradinfinity3939 3 years ago

Excellent, this work is not exhausting, that I have a desire to fix things. No, I am lacking after tools such as a battery welder. You work is good and fruitful. ⚒️🛠️🔧
@danieljunior2382 2 years ago

I would love to hear some lowfi beats. But I allways enjoy the videos, man cheers from Brazil!
@SupremeRepairs 3 years ago

Amazing and beautiful video ❤️
@Administrator_O-5 3 years ago

I think it's truly awesome that he creates new & accurate labels for everything when he's done...
@hopeofmukil2244 3 years ago

It was wonderful good job continue this all the best
@acusamsudin661 3 years ago

Great work
@torukojinnn6331 3 years ago

Great job, boss👍 Respect from Turkey 🇹🇷