Hi guys.
I have a question for the electrical people among you.
I fly RC helicopters, and need to charge my lipo batteries.
The problem I have is getting my battery charger the power it needs.
It can take input voltages from 12v to 18v.
My bats that I am charging are 25v, so when giving the charger 12v, it needs to ramp it up to 25v. That seems inefficient.
So what I would like is 17V input.
The charger can use 200W, so I need a supply that gives 17V @ 20A.
Can any of you think of an easy and cheap way of doing this?
I know off the shelf applications are available but they are very expensive for a student.
Thanks in advance!
Cheers
Quintin
PS. All voltages mentioned are in DC.
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