How To Charge Laptop Without Charger Macbook. Make sure it has the exact power requirement, otherwise the laptop can’t be charged properly. This method also requires an adapter.
Just locate positive and negative terminal on the battery, and hook it up to lithium ion battery charger with same voltage rating. If you discharge to 50% and recharge, that is 1/2 cycle. It has an output of 16.5v (3.65a) and 1.2 meters of cable.
If you have any external charger or power bank where has usb 3.0 port, then you can charge your macbook.
Make sure it has the exact power requirement, otherwise the laptop can’t be charged properly. With a notebook power supply for 12v can save significant energy. This process is the same as the mobile charging system. Also for the apple macbook 13 “there is a suitable 12v adapter to load the macbook in the car.