Until it did! https://everymac.com/systems/apple/powerbook/specs/mac_portable_bl.html https://everymac.com/systems/apple/powerbook/specs/mac_porta... IIRC the b

Until it did! https://everymac.com/systems/apple/powerbook/specs/mac_portable_bl.html https://everymac.com/systems/apple/powerbook/specs/mac_porta... IIRC the backlight would effectively halve your battery life.