Re: li-po low voltage cut off

Hello eccerrOr,

The voltage of the not fully charged li-po is 11.38 V
Using the drill it is 10.9 V

Sjak

Re: li-po low voltage cut off

Hello BUDM,

Yes I can.
Help is much appreciated.
[ATTACH]110542[/ATTACH]

SjakRe: li-po low voltage cut off

Hello BUDM,

Yes I can.
Help is much appreciated.
[ATTACH]110542[/ATTACH]

Sjak...

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Hi,

I am converting an old cordless drill to li-po and made a simple low voltage cut off circuit consisting of a power MOS-fet and a 555 IC.
This works fine with a 12 volt lamp, but not with the drill.
I suspect that the problem could be the electronic speed regulator of the drill.
I could solve this by using a relais instead of the MOS-fet, but since the space I have to build the circuit in is limited this is not a good solution.
Can any body help??

sjak

Re: New Members - please post your introductions here

Hello,
My name is Sjak (Jack) I live in the Netherlands, I have been trained as an electrical engineer, though I have worked mostly in a completely other field.
I like to make and fix things and am interested in learning more about electronics.