both are used to control exposurezebra gives you less details about the exposure levels. It just shows the over exposed part, or only a single region where you have assigned the zebra to showbut false color, gives you an entire range of brightnessrig...
the values depend a lot on the type of scene which you are shootingyou can keep the value between 70-80 IRE for shooting people. the zebra will be highlighted on the person's face.for a landscape scene or general shots, you can keep the zebra value a...
wait for 2 weeks until the battery gets optimized based on your usage,if it still drains, then do a factory reset n checkif both don't work, last option is to visit the service centre