Yeah. You'll be absolutely fine. Pathfinders are sold without batteries, anyway. They are an optional extra, so the PSU has a built in transformer. There is a school of thought that believes the batteries do other jobs, like regulating current, but nothing major, and they wouldn't be sold without them if it were too much of a problem.
------------- The one good thing about being wrong is the joy it brings to others..
Hi there Mr T, i never used a battery in the cruiser.Maybe obvious but if you remove the battery make sure the leads can,t touch as they will still be getting a feed from the charger circuit.
Hope you are having a great holiday
cheers GCB from the dark side