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How to make a 9v battery pack rechargeable at home using 18650 cells in series to replace the 9 volt alkaline battery at home.
• How to make 9v battery...
In the same way, you can make a small 12v battery in this video
• How to make 12v batter...
How to make 9v battery pack the instructable tutorial
www.instructab...
You have to understand that these 18650 batteries are different from the lead acid and the charging/discharging process is totally different from a normal lead-acid 12v battery .
If you need a 9v battery and want to learn how .to make it from 18650 cell watch the video it has details on how to make a new battery at home.You can make this battery from 18650 cell that can be harvested from laptop batteries or power banks, a thing that has Li-ion in it can be reused and reconfigured in a homemade battery.
The important steps when making a 9v battery:
Charging the cells
Discharging and see the mAh of each battery
Match them to closed capacity
Make your battery pack by series or parallel connection.
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