On MY 17/400 MT, have a Platinum Premium Plus battery-5 yr warranty- (not Varta as manual states), not sure if delivered with car or replacement. Car manufactured in 1/17, bought by me (Victory Lotus, Princeton NJ) 8/17 with 3miles odometer (didn't think to ask dealer if replacement). Now with 5200 miles, ~2 1/2 years battery performance fine, but want some reassurance of health. Was considering just getting new battery.....
Instead, I tested for base voltage, and load (cranking engine start) voltage drop followed by charging voltage level when motor started and idling. All fine, giving me some relief of battery (and alternator) health at this point. Will repeat every 3 months or so.......all I could do with limited tools (essentially only multimeter required) and knowledge of electrics (for me, if a hammer doesn't fix it, problem must be electrical......!).
"the most uninterested man in the world....stay thirsty, my friend"
2017 Evora 400
2012 Evora S-sold