I have a problem at my TGSL project

[volcano]

hello all... please help me .
I finished my TGSL project and it work very well , but i have a problem of battery.
( 9v battery )
the problem is : at 20 mn only. the battery will be 3 v.

THANKS

[homefire]

I thought that was a 12V circuit.

Use AA batteries.

[volcano]

I thought that was a 12V circuit.

Use AA batteries.

thank you my friend homefire
I used a remote control battery of cars ( 12V A23 ).
But I have the same problem.

[satdaveuk]

pp3 no good its a 12v circuit try 8 good AAs,Connect a multimeter to the circuit and see what current its drawing, if to high check elec caps either fitted wrong or leaky.
should be getting at least 24 hours of detecting on new batterys.

regards

[volcano]

pp3 no good its a 12v circuit try 8 good AAs,Connect a multimeter to the circuit and see what current its drawing, if to high check elec caps either fitted wrong or leaky.
should be getting at least 24 hours of detecting on new batterys.

regards

thank you satdaveuk
I will try

[volcano]

Sorry my friend satdaveuk.
You mean AAA battery or AA battery ?

[mikebg]

Sorry my friend satdaveuk.
You mean AAA battery or AA battery ?

AA batteries will last longer.