Bosch 12V Battery Upgrade from Nicd to Lithium-ion

This drill was abandoned in Japan, because its battery was dead. I just convert the battery from Nicad to Li-ion, it works very well.

Original Battery
- 12 cells of Nicd 1.2V
- Voltage 12V ~ 13V
- Capacity 1.2 Ah

New Battery
- 6 cells of Lithium-ion 3.7v 3000mAh
- Voltage 11.1V ~ 12.6V
- Capacity 6Ah

Original Charger
- Output voltage range 7.2V ~ 14.4V
- Input 100V

New Charger
- Output voltage only 12.6V
- Input 100V/240V

BMS 3S20A is a battery management system for 12V battery pack
Lithium-ion battery cell
- Brand model: LG INR18650HG2
- Standard capacity: 2800- 3000mAh
- Rated voltage: 3.6V
- Charging voltage: 4.2±0.05V
- Maximum continuous discharge current: 20A
- Discharge cut-off voltage: 2.5V
- Weight: Max.47.0g
- Size: Max.18.2×65.2 mm
- Charge and discharge times: 500 times

I hope you find this video useful and enjoy it!
I am happy to receive feedback, suggestions to improve myself.
!!! I'm sorry for the mistake if I did in this video !!!
** I still keep some parts, I want to help the world environment **
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Have a nice day
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