Why the all laptops charging pins not same like android mobile?

Due to all laptop manufacturing companies uses their own electronic(voltage range,voltage-rating and many more essential readings) in their adapter.



So if you charge your laptop with another charger,it can harm your laptop’s battery life.

INSHORT ALL INTERNAL SPECIFICATIONS ARE DIFFERENT THEN WHY NOT CHARGING PINS.

There is a initiative. However it is not implemented yet. Please refer below.

IEC announces new standard for future universal laptop chargers

Also. Some of the latest laptops started adopting USB type C standard for charging now.