To extend the battery life span, to save the power use Standby and hibernation options.
The best practice is to maintain long battery life is to charge and discharge
If you're not using the laptop for a long time or twice a week or more then remove the battery power from Laptop.
Don't consume or drinking near or around your laptop. The least bit of water could short-circuit some delicate laptop tour, and provide it ineffective.
Do not subject your laptop to shocks and jerks. This will help avoid destruction to your hard disk drive. Ideally, power the laptops off before moving it from one place to another place.
Keep your Laptop free from Spywares/Adware's use a proper antivirus software to protect your privacy & data.
Use strong passwords (Ex: ABC$123#abc) for your all your online accounts for avoid hacking and phishing.
Preventative maintenance - periodic checks on your laptop before problems occur to avoid down time of your systems.
Use cloud storage options to sync your important data online to avoid data lost. Smart Tune-up's junk files clean-up's will help your Laptops for better performance.
Always keep your Laptops from dust free for the long life of your Laptops
Provide good ventilation to your Laptops to avoid over heating & hanging problems.
Use proper seating positions when you work longer times on Laptops to avoid the health risks.
Do not put on laptops Laptop keeping of fabric or bed because generally, the air circulation is from the base, regular doing so may reduce the life of the laptop, and can occur the heating problems.