Blimey, they arrived quickly! The T6 driver fitted the screwhead best.
Managed to get the base screws out with a flathead screwdriver but wouldn’t hack it on these so waiting delivery on a set of torx screwdrivers from eBay £2.98
My battery connector had another layer of plastic on it that I removed first
It is just the top layer of tape that you want to lift, you need to seperate it from the bottom layer.