I have found the attached circuit through elecfree.com It is a 12v Battery charger with auto cut off. I have built this circuit on Veroboard. Upon powering it up I noticed that when the power was switched off the circuit remained ON being powered by the battery. I have now removed D1 from the relay coil and placed it in direction of current flow to the out out but before the R8 and R9 battery sence divider. The circuit now does power down. The next thing is that while charging the does not cut the power to the relay, and likewise when the battery needs charging the circuit does not switch the relay on. At the junction of R1 and R2 I am reading 2.75v. Any help will be very welcome.