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Laptop batery (Li-Ion) Soldering

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Li-ion batteries have battery management systems per cell . The functions of the management circuits are:
To prevent overcharging the cell (4.1 V)
To prevent under discharging the cell (3.5 V)
To prevent an instantaneous overload current (This depends on the cells capacity)
The connections to the battery are done with stainless-steel strips and the normally the connection is with a spot weld. If you use soldering for the connection do not overheat the battery
 

iamkamalrandhawa said:
please give me some ideas for laptop battery soldering techiques. Thanks.
Click to expand...


You mean how to make battery bank from multiple Lion cells with spot welding tech ?

1271234573773_hz_cnmyalibaba_web2_4675.jpg
 

klystron said:
Li-ion batteries have battery management systems per cell . The functions of the management circuits are:
To prevent overcharging the cell (4.1 V) <== 4.2V
To prevent under discharging the cell (3.5 V) <== 3.0V
To prevent an instantaneous overload current (This depends on the cells capacity)
The connections to the battery are done with stainless-steel strips and the normally the connection is with a spot weld. If you use soldering for the connection do not overheat the battery
Click to expand...

Bolded for Li-ion cells
 

tpetar said:
You mean how to make battery bank from multiple Lion cells with spot welding tech ?

1271234573773_hz_cnmyalibaba_web2_4675.jpg
Click to expand...

yes yes you are right Mr. Tpetar. how to solder battery with this welder and where i can get this and what is the price. Thanks for your given information.

---------- Post added at 19:17 ---------- Previous post was at 19:16 ----------
tpetar said:
See this project :

https://www.elektroda.pl/rtvforum/topic2231896.html
Click to expand...

This is very helpfull. thanks alot Mr. Tpetar
 

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