Hi, Klaus.
OK. because the switching power supply actually can adjust the voltage level. So, if i am able to adjust it to
13.8V and above, means i am able to charge my battery? and how about the current? should i have concern on it? my power supply is 5A
If you connect a partially or fully discharged battery to the power supply, why should the current be below 0.69A? It can rise to 5A or more.
Read the datasheet, how does the power supply react on overload? Does it a continuous current limit to 5A, or shut down for some time?
As already stated, if the power supply isn't able to perform a continuous current limit (only a few models do), you need to add an external current limiter circuit.
If you want to build a chrging circuit I recommend to read some documents about charging (principles).
Within a couple of minutes you will find out
* what charging modes are recommended
* how they work
* what you have to care about
* and what you need to avoid..
If you want to build a chrging circuit I recommend to read some documents about charging (principles).
Within a couple of minutes you will find out
* what charging modes are recommended
* how they work
* what you have to care about
* and what you need to avoid..