[admin@banaan] > /system routerboard print
routerboard: yes
model: "750G"
serial-number: "268201AF4E0D"
current-firmware: "2.26"
upgrade-firmware: "2.26"
[admin@banaan] > /system health print
voltage: 43859.6V
[admin@banaan] >
This is on 4 different RB750G.