https://tinyurl.com/3738j5p9 Mobil 28 is red and Aerospace quality with excellent temp range. Used it a million years ago as a bench tech in an OEM MRO facility for fuel condition actuators for JT9 engine platform 747s.
I have a Husqvarna YTH24V54 rider model. I can attach the jumper cables to sit virtually horizontal in the same plane below the top of the battery terminals, which allows me to safely sit in the seat to start the machine without fear of shorting anything out whilst starting the engine.