So I need a new battery or three, and I also haven't found any Tx yet which is annoying. I do have a Nicad/Nimh capable charger as well.
could be worth giving them a go, last year i unearthed two profitex 3800 nimh battery's that i hadnt used in about 8 years, it took a few cycles of charging them at the chargers lowest setting, but after a few times doing this, there perfectly fine again and i use them regularly.