Here is the info from some of the backs - some the print is worn off so I can't state what models etc

A1466 EMC 2632 14.85V - powers on -
A1466 EMC 3178 14.85V - powers on
3 A1278's all power on - I can't read the print on the back - all power on and one has serial # W80204FATM, one has W8904HM66D
A1502 EMC 2678 16.5V - when turned on pic of a battery with some red
A1466EMC 2632 14.85V - has pic of ? mark when plugged in
4 that do not power on or I don't have the charger to check them are:
2 A1286's one has a crack in the screen
A1502 EMC 2835 16.5V
A1466 EMC2925 14.85V

These are sold as is for parts or repair - no charger cords included, screen sizes vary depending on model

I am not knowledgeable about computers, they may work fine, I don not know so listed as parts or repairs, as is.