power

I have a year-old Minelab Manticore, and for the last few months, it's been getting harder and harder - after connecting the magnetic power cable - to get the green charging light to appear. I now have to fiddle with the connection for several minutes before the green light appears and I know...

So I bought a minelab explorer xs for 15. Looks like new but the guy left batteries in it for a long time and they leaked. Corroded some contacts which I cleaned. The power wires to the control circuit board were broke too which I resoldered. Put new batteries in and it turns on without pushing...