On 3 May 2005 14:01:31 -0700, "Mark" wrote:

I used to use a small low voltage light bulb sized such that is just
glowed dimly when the battery was charging. The bulb needs to be wired
in SERIES with the power supply output. If you don't know what that
means then someone here can give you more help.

Mark

I'd rather not cut into the circuit.