Reduce The Brightness Of Mobile/Laptop

-Always Keep On The Battery Saver Mode

Remove Unnecessary Applications And Programme 

Bluetooth And Wi-Fi Consumes Battery, Switch On Only On Need

Set The Power According To Your work in Laptop Power Setting Option

Always Keep Your System Operating System And Software Updated

Keep the Laptop On Hibernate Mode When You Not Using It

Do Not Charge The Laptop Battery 100%, Charge Between 20% To 80%

Use Your Laptop In A Cool Place, Heat Affect The Battery