I would agree with Strowie, with 50 plus years of electrical knowledge, and pics I have seen of BA with lecky work shown, be they still pics or video Robin has taken, has all looked very tidy and proper to me.
Batteries four years old sends alarm bell warnings to my wallet ! Sorry Griff, best stick a few more tiles on to pay for a new set of batteries. I would however, be delighted to be proved wrong!
Iain