Just getting through my last few Cr123, C123 or what ever they like to be called these days so i went and bought some Panasonic ones at around £1.50 each.
Xcortech unit takes 2xAA and the Tracer/Counter takes 4xAAA,, PEQs 2xCr123, Torches 1xCr123, LED Lenser torch 3xAAA, clone scope...