Apple's line of laptops for professional and power users. To date, the MacBook Pro line includes 13, 14, 15, 16, and 17-inch variants, with major revisions defined by Pre-unibody(Original), unibody, Retina display, Touch Bar, and SOC (system-on-a-chip) designs.
What is your battery number? What MBP is it? It is usually the outer contacts that are positive and negative.
из oldturkey03
but which is negative and positive
из Gurpreet Maan
do you have a multimeter?
из Logixal