Battery Charging Circuit (2A or 3A charging)

Thread Starter

ifgid

Joined Dec 7, 2020
2
Hey there,
I am searching something like the TP4056, but the TP4056 battery charger
just has 1A input for charging and 1.5A output(I am not sure about the output,
but I think it's correct). Does any know a charger board with 2A or 3A input for charging
and 3A output?

Thank you!
Regards
 

Audioguru again

Joined Oct 21, 2019
3,173
Is your Lithium battery rated to be charged at the very high current of 3A? Probably not if it is a single 18650 cell.
Is it three 18650 cells in parallel?

An 18650 cell will explode/catch on fire if you charge it with a current that is too high. Some "fast" chargers have a temperature sensor pressing on the battery cell.
 

Thread Starter

ifgid

Joined Dec 7, 2020
2
Yes, I have 3 cells in parallel, but it would took me forever to charger, if they would be charged up with only 1A ;D
 

Dodgydave

Joined Jun 22, 2012
9,951
You can't charge an 18650 more than 1.2 A , that's the maximum automatic charger's will give out to protect the cell, you can get a multiple cell charger and it will charge them up together all at the same time.
 

Audioguru again

Joined Oct 21, 2019
3,173
It is very dangerous to overcharge a lithium battery cell. Fast chargers detect the cell temperature rising then slow down the charging.
Make a video of the explosion/fire and attach it with your reply.
 
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